Nuclear Slope Parameter of pp and pp Elastic Scattering in QCD Inspired Model

Size: px
Start display at page:

Download "Nuclear Slope Parameter of pp and pp Elastic Scattering in QCD Inspired Model"

Transcription

1 Commun. Theor. Phys. (Beijing, China) 49 (28) pp c Chinese Physical Society Vol. 49, No. 2, Feruary 15, 28 Nuclear Slope Parameter of pp and pp Elastic Scattering in QCD Inspired Model LU Juan, 1,2 MA Wei-Xing, 1,3 and HE Xiao-Rong 2 1 Collaoration Group of Hadron Physics and Non-perturative QCD Study, Guangxi University of Technology, Liuzhou 5456, China 2 Department of Physics, Guangxi University, Nanning 534, China 3 Institute of High Energy Physics, the Chinese Academy of Sciences, P.O. Box 918, Beijing 149, China (Received January 19, 27) Astract Based on the quark-gluon structure of nucleon and the possile existence of Odderon in strong interaction process due to gluon self-interaction, the elastic scatterings of pp and pp at high energies are studied. The contriutions from individual terms of quark-quark, gluon-gluon interactions, quark-gluon interference, and the Odderon terms to the nuclear slope parameter B(s) are analyzed. Our results show that the QCD inspired model gives a good fit to the LHC experimental data of the nuclear slope parameter. PACS numers: 25.4.cm, p, 12.4.Gg, 25.4.Ve Key words: nuclear slope parameter, QCD inspired model, Odderon 1 Introduction A microscopic understanding of hadron-hadron elastic scattering remains an elusive goal of hadron physics, and it offers an opportunity to search for new physics and new particles, such as quest for H-particle, Higgs, σ-particle, glueall, and Odderon. The concept of Odderon first emerged in 1973 in the context of asymptotic theorems. [1] Seven years later, it was possily connected with 3-gluon exchange in perturative QCD (pqcd), [2] ut it took 27 years to firmly rediscover it in the context of pqcd. [3] The Odderon was also rediscovered recently in the Color Glass Condensate (CGC) approach [4] and in the dipole picture, [5] one can therefore assert that the Odderon is a crucial test of QCD. The forward hadronic amplitude of pp and pp elastic scattering is reflected in three experimentally determined parameters: the total cross section σ tot, the ratio of the real to the imaginary part of forward scattering amplitude ρ value, and the nuclear slope parameter B. Measurements of B-values of pp and pp elastic scattering have a rich history. AGS and FNAL measured the value of B at < s < 3 GeV energy region. When the ISR was turned on in 1971, measurements of B-values of pp and pp elastic scattering have reached s = 52.8 GeV. The measurements of B in the energy range 5 < s < 2 GeV do not form a smooth set in s, unlike the situation for σ tot and ρ. The recent SPS measurement for the nuclear slope parameter B has risen to s = 54 GeV, eagerly awaited high energy collision at the CERN large hadron collider (LHC) [6] will give access not only yet unexplored small distances ut also simultaneously to large distances that were neither explored. Now, the measurements of the nuclear slope parameters B of elastic scattering have reached s = 2 TeV. Given the importance of the hadron-hadron elastic scattering, it is not surprising that a numer of models have een developed to address the dynamics of hadronhadron interaction. The eikonal models that are capale of descriing the data for non-zero transformed momenta were developed in Refs. [7] and [8]. Using an eikonal structure for the pp and pp scattering amplitude, Block and Kaidalov [9] have derived factorization theorem for pp and pp at high energies. The principles of analyticity, unitarity and crossing symmetries are truly fundamental to our understanding of particle physics. A requirement of analyticity is that the forward scattering amplitudes of pp and pp elastic nuclear scattering come from the same analytic function. Further, unitarity provides a relationship etween the total cross section and the imaginary part of the forward scattering amplitude, which h is the optical theorem. Cheng and Wu [1] proposed initially that eikonalization should properly unitarized Regge models. Now we used a QCDinspired, and eikonalized model to predict the nuclear slope parameter B at the energies of experimental data. Using the impact parameter representation, the QCDinspired model predicts the experimental data y understanding of elemental scattering theory from nonrelativistic quantum mechanics. In this paper, we ase on QCD inspired eikonal model to study slope function B(s). The conventional eikonal model is supplemented with a QCD motivated part consisting of three terms. [8] A calculation of the nuclear slope parameter B of pp and pp elastic scattering is performed in which the contriutions from individual terms of quarkquark, gluon-gluon interactions, quark-gluon interference and the Odderon term are included. In addition to the The project supported in part y National Natural Science Foundation of China under Grant Nos and and the Natural Science Foundation of Guangxi Province of China under Grant Nos. 5752, 54242, and 4813 and Guangxi University under Grant No. X511

2 No. 2 Nuclear Slope Parameter of pp and pp Elastic Scattering in QCD Inspired Model 457 leading quark-quark contriution, the Odderon contriution is quite important. In particular, the Odderon plays an essential role in fitting to data. 2 Theory and Formalism We start our study y considering elastic scattering process a + a +, (1) in the s-channel with amplitude F a (s, t). The related elastic scattering process in the u-channel a + a + (2) with its amplitude F a (s, t), can e otained from the former, Eq. (1), y crossing to the u-channel, Eq. (2), via the crossing relation F a (s, t, u) = F a (u, s, t), (3) where s, t, u are the Mandestaim variales. It is important to notice the order of variales s, t, and u in oth sides of Eq. (3). Let us now define two amplitudes F ± y definition of F ± (s, t) = 1 2 [F a (s, t) ± F a (s, t)]. (4) Under the crossing from the s-channel process, Eq. (1), to u-channel, Eq. (2), the amplitude F + (s, t) evidently remains unchanged whereas the amplitude F (s, t) changes its sign. Accordingly, they are called even under-crossing and odd under-crossing amplitudes. We oserved that the amplitude F + (s, t) is the same for particle-particle and particle-antiparticle scattering and thus corresponds to an exchange of even (or positive) C-parity, C=+1. The amplitude F (s, t) changes its sign when going from the particle-particle to the particleantiparticle scattering process and can hence e understood to have odd (or negative) C-parity, C = 1. The amplitude F + (s, t) hence has vacuum quantum numers and it is dominated at high energy y the Pomeron exchange, which identifies as tensor glueall ξ(223) with quantum numers I G J PC = , mass of 2.23 GeV, and decay width Γ ξ = 1 MeV. [11] The dominant contriution to the amplitude F (s, t) comes from the Odderon, which is made up of three Reggeized gluons and is a colorless ound state of the three gluons. Therefore, studying the contriution from amplitude F (s, t) is equivalently to study the Odderon contriution to hadron-hadron scattering cross section at high energies. As an example, we study pp and pp elastic scattering at high energies. From definition of Eq. (4), we arrive at F ± (s, t) = 1 2 [F pp(s, t) ± F pp (s, t)]. (5) In turn, from Eq. (5) we have the following expressions for the pp and pp elastic scattering amplitude F pp (s, t) = F + (s, t) + F (s, t), (6) F pp (s, t) = F + (s, t) F (s, t). (7) The cross sections, the ratio of the real to the imaginary part and the nuclear slope parameters of the forward scattering amplitude can e normalized such that σ tot (s) = 1 Im F(s, t = ), s (8) Re F(s, t = ) ρ(s) = Im F(s, t = ), (9) dσ(s, t) = 1 dt 16πs 2 F(s, t) 2, (1) B(s) = d [ ln dσ ] dt dt (s, t) t= Equations (8) (11) are the fundamental formulae of our present study of pp and pp elastic scattering. 3 Description of F(s, t) in QCD-Inspired Model We introduce the eikonal formalism in the twodimensional transverse impact parameter space. We use the complex analytic eikonal profile functions, χ pp = χ even +χ odd and χ pp = χ even χ odd, even or odd under the transformation E = k 2 + m 2, where E is the proton laoratory energy and m is the proton mass. The data oth for pp and pp are fitted using the total complex analytic eikonal profile functions, i.e., phase transition, in terms of the even and odd forward scattering amplitudes F + and F (even and odd under crossing), which is related to the even eikonal profile function χ even and odd eikonal profile functions χ odd, respectively. We write the center-of-mass pp and pp forward scattering amplitude, [12] F c.m (s, t) = k e i q A(, s)d 2, (12) π where k is the momentum in the center-of-mass system, t = 2k 2 (1 cos θ) is the invariant four-momentum transfer. θ is the center-of-mass system scattering angle. q is a two-dimensional vector in the impact parameter space such that q 2 = t. A(, s) is the scattering amplitude in the impact parameter space. d 2 = 2πd. Our complex eikonal, χ = χ R + iχ I is defined. Therefore, the complex forward scattering amplitude in the impact parameter space is given y A(, s) = i 2 (1 eiχ ) = i 2 (1 e χ I(,s)+iχ R (,s) ). (13) Sustituting Eq. (13) into Eq. (12), we arrive at F c.m (s, t) = k e i q i π 2 (1 e χ I(,s)+iχ R (,s) )d 2. (14) 4 Slope Parameters B Using the impact-parameter amplitude, we can otain a physical picture of the slope parameters, [8] B(s) = d [ ln dσ ] dt dt (s, t), (15) t= which we often evaluate at zero momentum transfer B(s) = B(s, t = ), (16)

3 458 LU Juan, MA Wei-Xing, and HE Xiao-Rong Vol. 49 eginning with F c.m d 2 e i q A(, s). (17) We expand e i q at aout q = to find [ F c.m 1 + i q 1 2 ( q ) ] 2 + A(, s)d 2 (18) with this expansion and the definition of B we can eventually write the general expression for B as B = Re { da(, s) da (, s)} 2 da(, s) 2. (19) If the phase of A(, s) is independent of (This is the case when we either have a factorizale eikonal or an eikonal with a constant phase), this expression reduces to the more tractale form B = d 3 A(, s) 2 da(, s) = 2 A(, s)d 2 2 A(, s)d 2. (2) We note that B measures the size of the proton, i.e., B is related to the average value of the square of the impact parameters, weighted y A(, s). Introducing the eikonal, we find B = 1 (1 e χ I (,s)+iχ R (,s) ) 2 d 2 2 (1 e χ I (,s)+iχ R (,s) )d 2. (21) Equation (21) is the starting point of our study. Now, let us consider the quarks and gluons degrees of freedom to contriute to the nuclear slope parameters for proton and antiproton elastic scattering processes in QCD. 5 QCD-Inspire Model 5.1 Even Eikonal Profile Function The even QCD inspired eikonal profile function χ even for nucleon-nucleon scattering is given y the sum of three contriutions from gluon-gluon, quark-gluon, quark-quark sectors. They are individually factorizale into a product of a cross section σ(s) times an impact parameter space distriution function W(; µ), i.e χ even = χ gg (, s) + χ qg (, s) + χ qq (, s) = i[σ gg (s)w(; µ gg ) + σ qg (s)w(; µ qq µ gg ) + σ qq (s)w(; µ qq )]. (22) The factor i is inserted in Eq. (22) since the high-energy eikonal profile function is largely imaginary. σ ij are the cross sections of the colliding partons. The impact parameter space distriution functions used in Eq. (22) is taken to e convolutions of two dipole form factors, i.e., we parameterize W(; µ) as the Fourier transform of two dipole form factor of the nucleon, [13] W(; µ) = µ2 96π (µ)3 K 3 (µ), (23) where K 3 (x) is the modified Bessel function of the second kind. It is normalized so that W(; µ)d 2 = 1. Studying W(; µ) indicates that the total cross sections are essentially independent of the choice of form factor shape. As a consequence of oth factorization and the normalization chosen for the W(; µ), the following identity should hold χ even (s, )d 2 = i[σgg (s) + σ qg (s) + σ qq (s)]. (24) In the QCD inspired model, it allows one to reformulate the Froissart ounding in axiomatic field theory. We found that the total cross section contriuted from the gluongluon interaction term can e given asymptotically [8] y ( ε σ gg = 2π µ gg ) 2 log 2 s s. (25) The quark-quark interaction is simulated y a constant cross section plus a Regge-even falling down cross section. It can e approximated y ( σ qq = Σ gg C + C even m ), (26) s Regge where m is the threshold mass which is determined y experiment and it takes the value of m =.6 GeV. The contriution from quark-gluon interaction is also simulated y σ qg (s) = Σ gg C log qg log s s. (27) 5.2 Odd Eikonal Profile Function Similarly, the odd eikonal profile function is parameterized as χ odd (s) = iσ odd (s)w(, µ), (28) which accounts for difference etween pp and pp elastic scattering, and must vanish at high energies. A Regge ehaving analytic odd eikonal profile function can e parameterized as χ odd (, s) = σ odd W(; µ odd ) = C odd Σ gg m s W(; µ odd ), (29) where W(; µ odd ) is determined y experiment and the normalized constant C odd is to e fitted. The parameters and functions in the aove equations, Eqs. (25) (29), are given in Tale 1. However, the odd eikonal profile function is completely different from the even one y their physical meaning. Tale 1 Values of the prameters used in the fit. Fitted Fixed m =.6 GeV C = 5.65 ±.14 ɛ =.3 C log qg =.167 ±.37 µ qq =.89 GeV Σ gg = 9πα 2 s/m 2 µ gg =.73 GeV CRegge even = 25.3 ± 2. µ odd =.53 GeV C odd = 7.62 ±.28 α s =.5 s = 16.9 ± 4.9 GeV 2

4 No. 2 Nuclear Slope Parameter of pp and pp Elastic Scattering in QCD Inspired Model Quark-Quark, Gluon-Gluon, Quark-Gluon Interference Term and Odderon Contriutions to Nuclear Slope Parameters From Eq. (22), we expand the factor of (1 e iχ ), 1 e iχ = iχ χ iχ3 + (3) Using Eq. (22), equations (23) (3) lead to B = 1 χ 2 d 2, (31) 2 χd 2 χ pp pp = χ even ± χ odd. (32) The eikonal profile function χ is given y four terms: gluon-gluon, quark-quark, quark-gluon interference and Odderon terms. So that the nuclear slope parameter B of pp and pp elastic scattering is divided into four terms. B pp pp = 1 [ 2 iχd 2 σ gg W(, µ gg ) 2 d 2 + σ qq W(, µ qq ) 2 d 2 + σ qg W(, µ gg µ qq ) 2 d 2 ± σ odd W(, µ odd ) 2 d 2 ]. (33) The nuclear slope parameters B from gluon-gluon contriution can e rewritten as σgg W(, µ gg ) 2 d 2 B gg = 2 iχd 2. (34) and from quark-quark contriution can e rewritten as σqq W(, µ qq ) 2 d 2 B qq = 2 iχd 2. (35) Similarly quark-gluon contriution is given y σqg W(, µ gg µ qq ) 2 d 2 B qg = 2 iχd 2. (36) Finally, Odderon contriution is σodd W(, µ odd ) 2 d 2 B odd = 2 iχd 2. (37) The Odderon (under crossing) forward scattering amplitude accounts for the difference etween pp and pp elastic scattering. It should e noticed that all the parameters in the aove equations given in Tale 1 are fixed y fitting experiments. From Eqs. (24) (28), 2 iχd 2 will e studied, 2 iχd 2 = 2(σgg + σ qq + σ qg ± σ odd ). (38) The sign + stands for the pp elastic scattering, and sign is for pp elastic scattering, respectively. 7 Numerical Calculations and Results Using the aove discussions and formulae, we can study the contriutions from quark-quark, gluon-gluon, quark-gluon, and Odderon terms to the nuclear slope parameters of the pp and pp elastic scattering. In this section we give our theoretical predictions and comparisons with experimental data availale at present. With Eq. (33), the numerical calculations of the total nuclear slope parameter are performed. The predictions are shown in Fig. 1. By the solid curve in Fig. 1, we plot the total nuclear slope parameter B of pp elastic scattering vs. energy s. The dotted curve in Fig. 1 is the result for pp elastic scattering. Clearly, we have gotten excellent fits to experimental data oth for pp and pp elastic scattering at high energies. Fig. 1 The total nuclear slope parameter B of pp and pp elastic scattering against s the center-of-mass energy in units of GeV. The solid line and up-triangle points stand for pp scattering and the dotted line and lack points are for pp scattering. Experimental data of total nuclear slope parameter are also shown with up-triangle points for pp elastic scattering while lack points are for pp elastic scattering. Fig. 2 The nuclear slope parameter B of pp elastic scattering. The solid curve is gluon-gluon contriution, the dished curve is quark-quark contriution, the dotted curve is quark-gluon interference term contriution, and Odderon contriution is shown y the up-triangle curve, which is negative.

5 46 LU Juan, MA Wei-Xing, and HE Xiao-Rong Vol. 49 We consider contriution from quark and gluon degree of freedom of QCD to the nuclear slope parameter of pp and pp elastic scattering. Because the eikonal profile function is consisting of four terms, the nuclear slope parameter B then correspondently contains four terms. With the Eqs. (34) (37), we get the four terms contriuting to the nuclear slope parameter B. The results are given in Figs Figure 1 shows our theoretical predictions of the energy dependence of B(s) and its comparison with experimental data. As is seen from Fig. 1, the agreement is good. Figure 2 shows is contriutions from quark-quark, gluon-gluon, quark-gluon, and Odderon terms to the nuclear slope parameter of pp elastic scattering. Fig. 3 The nuclear slope parameter B of pp elastic scattering. The solid curve is gluon-gluon contriution, the dished line is quark-quark contriution, the dotted line is quark-gluon interference term contriution, Odderon contriution is represented y the up-triangle curve which is positive. Figure 3 is contriutions from quark-quark, gluongluon, quark-gluon, and Odderon terms to the nuclear slope parameter of pp elastic scattering. Figure 3 shows that the gluon-gluon interaction term B gg rises quickly as energy increases. It makes dominant contriution to the total nuclear slope parameter B. The quark-quark term decreases as energy increasing and eventually ecomes zero. The quark-gluon interference term is negligile. For pp elastic scattering, the Odderon contriution is negative, and finally it ecomes zero at the extra high energy region. For pp elastic scattering, the Odderon contriution is positive, also decreases as energy increasing and eventually ecomes zero. It should e emphasized that since the Odderon, corresponding to the χ odd term, makes a great contriution to the total nuclear slope parameter B at low energies and causes the difference etween pp and pp elastic scattering, it should e considered in any calculations of scattering processes. 8 Summary and Concluding Remarks In this paper, we use QCD-inspired eikonal model to analyze the nuclear slope parameter B of pp and pp elastic scattering. The model simulates the fundamental theory of strong interaction QCD. In conclusion, as we have concluded in the calculations of the total cross section, we claim that the gluon-gluon interaction makes a dominant contriution to the protonproton and antiproton-proton elastic scatterings comparing with the quark-quark interaction and the quark-gluon interference contriution at high energies. Therefore, it must e considered in any theoretical understanding of hadron-hadron interacting processes at very high energy region. However, the most theoretical calculations did not consider the gluon-gluon contriutions. We also found that the Odderon plays a significant role in description difference etween pp and pp elastic scattering. We may quest for the existence of the Odderon in pp and pp elastic scattering processes. We will investigate this prolem in our coming work. References [1] L. Lukaszuk and B. Nicolescu, Nuovo Cim. Lett. 8 (1973) 45; J. Bartels, Nucl. Phys. Lett. B 175 (198) 365. [2] T. Jaroszewicz, Acta Phys. Polon. B 11 (198) 965; J. Kwiecinski and M. Praszalowicz, Phys. Lett. B 94 (198) 413. [3] J. Bartels, L.N. Lipatov, and G.P. Vaaca, Phys. Lett. B 477 (2) 178. [4] Y. Hatta, E. Iancu, K. Itakura, and L. Mclerran, Nucl. Phys. A 76 (25) 172, hep-ph/51171; S. Jeon and R. Venugopalan, Phys. Rev. D 7 (25) 1253, hepph/ [5] Y.V. Kovehegov, L. Szymanowski, and S. Wallon, Phys. Lett. B 589 (24) 267, hep-ph/ [6] A. Faus-Golfe, J. Velasco, and M. Haguenauer, hepex/1211. [7] P. Degrolard, M. Giffon, E. Martynov, and E. Predazzi, Eur. Phys. J. C 16 (2) 499. [8] M.M. Block, E.M. Gregores, F. Halzen, and G. Pancheri, Phys. Rev. Lett. D 6 (1999) [9] M.M. Block, F. Halzen, and G. Pancheri, hepph/ [1] H. Cheng and T.T. Wu, Phys. Rev. Lett. 24 (197) [11] Zhou Li-Juan, WU Qing, Ma Wei-Xing, and Gu Yun- Ting, Commun. Theor. Phys. (Beijing, China) 46 (26) 287. [12] M. Froissart, Phys. Rev. 123 (1961) 153. [13] M.M. Block and R.N. Cahn, Rev. Mod. Phys. 57 (1985) 563.

Ratio of Real to Imaginary for pp and pp Elastic Scatterings in QCD Inspired Model

Ratio of Real to Imaginary for pp and pp Elastic Scatterings in QCD Inspired Model Coun. Theor. Phys. Beijing, China 47 2007 pp. 550 554 c International Acadeic Publishers Vol. 47, No. 3, March 15, 2007 Ratio of Real to Iaginary for pp and pp Elastic Scatterings in QCD Inspired Model

More information

arxiv: v2 [hep-ph] 30 Jan 2018

arxiv: v2 [hep-ph] 30 Jan 2018 IPPP/17/89 January 31, 2018 Elastic proton-proton scattering at 13 TeV arxiv:1712.00325v2 [hep-ph] 30 Jan 2018 V.A. Khoze a,b, A.D. Martin a and M.G. Ryskin a,b a Institute for Particle Physics Phenomenology,

More information

arxiv: v1 [hep-ph] 26 Apr 2018

arxiv: v1 [hep-ph] 26 Apr 2018 Evidence for maximality of strong interactions from LHC forward data E. Martynov a, B. Nicolescu b a Bogolyubov Institute for Theoretical Physics, Metrologichna 14b, Kiev, 368 Ukraine b Faculty of European

More information

arxiv:hep-ph/ v2 5 Dec 2001

arxiv:hep-ph/ v2 5 Dec 2001 Northwestern University: N.U.H.E.P. Report No. 901 University of Wisconsin: MADPH-01-1251 revised: November 26, 2001 On factorization, quark counting and vector dominance M. M. Block Department of Physics

More information

Proton Structure and Prediction of Elastic Scattering at LHC at Center-of-Mass Energy 7 TeV

Proton Structure and Prediction of Elastic Scattering at LHC at Center-of-Mass Energy 7 TeV Proton Structure and Prediction of Elastic Scattering at LHC at Center-of-Mass Energy 7 TeV M. M. Islam 1, J. Kašpar 2,3, R. J. Luddy 1 1 Department of Physics, University of Connecticut, Storrs, CT 06269

More information

A new explanation to the cold nuclear matter effects in heavy ion. collisions

A new explanation to the cold nuclear matter effects in heavy ion. collisions A new explanation to the cold nuclear matter effects in heavy ion collisions Zhi-Feng Liu (Institute of Geophysics, Shijiazhuang Economic University, Shijiazhuang, China) The J/Psi cross section ratios

More information

Di-hadron Angular Correlations as a Probe of Saturation Dynamics

Di-hadron Angular Correlations as a Probe of Saturation Dynamics Di-hadron Angular Correlations as a Probe of Saturation Dynamics Jamal Jalilian-Marian Baruch College Hard Probes 2012, Cagliari, Italy Many-body dynamics of universal gluonic matter How does this happen?

More information

Opportunities with diffraction

Opportunities with diffraction Opportunities with diffraction Krzysztof Golec-Biernat Institute of Nuclear Physics in Kraków IWHSS17, Cortona, 2 5 April 2017 Krzysztof Golec-Biernat Opportunities with diffraction 1 / 29 Plan Diffraction

More information

Antiproton-Nucleus Interaction and Coulomb Effect at High Energies

Antiproton-Nucleus Interaction and Coulomb Effect at High Energies Commun. Theor. Phys. (Beijing, China 43 (2005 pp. 699 703 c International Academic Publishers Vol. 43, No. 4, April 15, 2005 Antiproton-Nucleus Interaction and Coulomb Effect at High Energies ZHOU Li-Juan,

More information

b quark Electric Dipole moment in the general two Higgs Doublet and three Higgs Doublet models

b quark Electric Dipole moment in the general two Higgs Doublet and three Higgs Doublet models quark Electric Dipole moment in the general two Higgs Doulet and three Higgs Doulet models arxiv:hep-ph/993433v 1 Sep E. O. Iltan Physics Department, Middle East Technical University Ankara, Turkey Astract

More information

arxiv: v1 [hep-ex] 20 Jan 2013

arxiv: v1 [hep-ex] 20 Jan 2013 Heavy-Flavor Results from CMS arxiv:.69v [hep-ex] Jan University of Colorado on ehalf of the CMS Collaoration E-mail: keith.ulmer@colorado.edu Heavy-flavor physics offers the opportunity to make indirect

More information

Pomeron-Odderon interference in production of

Pomeron-Odderon interference in production of LPT-ORSAY 08-86 CPHT-PC 08.1008 Pomeron-Odderon interference in production of π + π pairs in ultraperipheral collisions arxiv:08155v1 [hep-ph] 3 Nov 008 B. Pire, F. Schwennsen,, L. Szymanowski and S. Wallon

More information

A Comparative Study of f B within QCD Sum Rules with Two Typical Correlators up to Next-to-Leading Order

A Comparative Study of f B within QCD Sum Rules with Two Typical Correlators up to Next-to-Leading Order Commun. Theor. Phys. 55 (2011) 635 639 Vol. 55, No. 4, April 15, 2011 A Comparative Study of f B within QCD Sum Rules with Two Typical Correlators up to Next-to-Leading Order WU Xing-Gang ( ), YU Yao (ß

More information

Novel features of diffraction at the LHC

Novel features of diffraction at the LHC Novel features of diffraction at the LHC arxiv:hep-ph/0103257v2 14 Sep 2001 V. A. Petrov, A. V. Prokudin, S. M. Troshin, N. E. Tyurin Institute for High Energy Physics, Protvino, Moscow Region, 142280,

More information

Reggeization of the Phillips-Barger model of high-energy hadron scattering

Reggeization of the Phillips-Barger model of high-energy hadron scattering IL NUOVO CIMENTO Vol. C, N. Marzo-Aprile 0 DOI.9/ncc/i0-- Colloquia: LC Reggeization of the Phillips-Barger model of high-energy hadron scattering L. Jenkovszky BITP, National Academy of Sciences of Ukraine

More information

Truncated BFKL Series and Hadronic Collisions

Truncated BFKL Series and Hadronic Collisions Preprint typeset in JHEP style. - PAPER VERSION arxiv:hep-ph/0009011v2 15 Jan 2001 Truncated BFKL Series and Hadronic Collisions M.B. Gay Ducati and M.V.T. Machado Instituto de Física, Univ. Federal do

More information

Color dipoles: from HERA to EIC

Color dipoles: from HERA to EIC Université de Moncton INT workshop: Gluons and the quark sea at high energies,distributions, polarisation, tomography September 29, 2010 based on work done with J. R. Forshaw, G.Shaw and B. E. Cox (Manchester

More information

FIRST MEASUREMENTS OF PROTON-PROTON ELASTIC SCATTERING AND TOTAL CROSS-SECTION AT THE LHC BY TOTEM

FIRST MEASUREMENTS OF PROTON-PROTON ELASTIC SCATTERING AND TOTAL CROSS-SECTION AT THE LHC BY TOTEM FIRST MEASUREMENTS OF PROTON-PROTON ELASTIC SCATTERING AND TOTAL CROSS-SECTION AT THE LHC BY TOTEM M. DEILE on behalf of the TOTEM Collaboration CERN, 111 Genève 3, Switzerland The TOTEM experiment at

More information

Matching collinear and small x factorization calculations for inclusive hadron production in pa collisions

Matching collinear and small x factorization calculations for inclusive hadron production in pa collisions Matching collinear and small x factorization calculations for inclusive hadron production in pa collisions The Pennsylvania State University, Physics Department, University Park, PA 16802 H. Niewodniczański

More information

(Experimental) Soft Diffraction at LHC. Jan Kašpar. ISMD2017, Tlaxcala, Mexico 15 September, 2017

(Experimental) Soft Diffraction at LHC. Jan Kašpar. ISMD2017, Tlaxcala, Mexico 15 September, 2017 (Experimental) Soft Diffraction at LHC Jan Kašpar ISMD2017, Tlaxcala, Mexico 15 September, 2017 Introduction selected processes: Elastic scattering p + p p + p Single diffraction p + p p + X Double diffraction

More information

arxiv: v1 [hep-ph] 14 Apr 2015

arxiv: v1 [hep-ph] 14 Apr 2015 DIFFRACTIVE DISSOCIATION IN HIGH ENERGY pp COLLISIONS IN ADDITIVE QUARK MODEL Yu.M. Shabelski and A.G. Shuvaev arxiv:1504.03499v1 [hep-ph] 14 Apr 2015 Petersburg Nuclear Physics Institute, Kurchatov National

More information

PROTON STRUCTURE FROM HIGH ENERGY PROTON-PROTON AND ANTIPROTON-PROTON ELASTIC SCATTERING

PROTON STRUCTURE FROM HIGH ENERGY PROTON-PROTON AND ANTIPROTON-PROTON ELASTIC SCATTERING PROTON STRUCTURE FROM HIGH ENERGY PROTON-PROTON AND ANTIPROTON-PROTON ELASTIC SCATTERING M. M. Islam 1, J. Kašpar 2,3, R. J. Luddy 1 1 Department of Physics, University of Connecticut, Storrs, CT 06269

More information

Violation of a simple factorized form of QCD amplitudes and Regge cuts

Violation of a simple factorized form of QCD amplitudes and Regge cuts Violation of a simple factorized form of QCD amplitudes and Regge cuts Author affiliation Budker Institute of Nuclear Physics of SD RAS, 630090 Novosibirsk Russia Novosibirsk State University, 630090 Novosibirsk,

More information

MBR Monte Carlo Simulation in PYTHIA8

MBR Monte Carlo Simulation in PYTHIA8 The Rockefeller University, 10 York Avenue, New York, NY 06, USA E-mail: robert.ciesielski@rockefeller.edu Konstantin Goulianos The Rockefeller University, 10 York Avenue, New York, NY 06, USA E-mail:

More information

modifications: an overview

modifications: an overview pp elastic scattering with infrared modifications: an overview Werner K. Sauter Grupo de Fenomenologia de Partículas de Altas Energias IF UFRGS Seminários de Fenomenologia de Partículas de Altas Energias

More information

QCD and Rescattering in Nuclear Targets Lecture 2

QCD and Rescattering in Nuclear Targets Lecture 2 QCD and Rescattering in Nuclear Targets Lecture Jianwei Qiu Iowa State University The 1 st Annual Hampton University Graduate Studies Program (HUGS 006) June 5-3, 006 Jefferson Lab, Newport News, Virginia

More information

arxiv: v1 [hep-ph] 20 Dec 2012

arxiv: v1 [hep-ph] 20 Dec 2012 Decemer 21, 2012 UMD-PP-012-027 Using Energy Peaks to Count Dark Matter Particles in Decays arxiv:1212.5230v1 [hep-ph] 20 Dec 2012 Kaustuh Agashe a, Roerto Franceschini a, Doojin Kim a, and Kyle Wardlow

More information

Re-study of Nucleon Pole Contribution in J/ψ N Nπ Decay

Re-study of Nucleon Pole Contribution in J/ψ N Nπ Decay Commun. Theor. Phys. Beijing, China 46 26 pp. 57 53 c International Academic Publishers Vol. 46, No. 3, September 5, 26 Re-study of Nucleon Pole Contribution in J/ψ N Nπ Decay ZONG Yuan-Yuan,,2 SHEN Peng-Nian,,3,4

More information

Twist-3 approach to hyperon polarization in unpolarized proton-proton collision

Twist-3 approach to hyperon polarization in unpolarized proton-proton collision Twist-3 approach to hyperon polarization in unpolarized proton-proton collision Graduate School of Science and Technology, Niigata University, Ikarashi, Niigata 950-2181, Japan E-mail: yabe.niigata.hadron0127@gmail.com

More information

Proton-Proton Total Cross Sections from the Window of Cosmic Ray Experiments

Proton-Proton Total Cross Sections from the Window of Cosmic Ray Experiments Proton-Proton Total Cross Sections from the Window of Cosmic Ray Experiments A.A. Arkhipov a a Theoretical Physics Division, Institute for High Energy Physics, 142284 Protvino, Moscow Region, Russia The

More information

Elastic scattering of protons and their structure

Elastic scattering of protons and their structure Journal of Physics: Conference Series PAPER OPEN ACCESS Elastic scattering of protons and their structure To cite this article: I M Dremin 215 J. Phys.: Conf. Ser. 67 125 View the article online for updates

More information

PoS(DIS2015)084. Saturation and geometrical scaling from small x deep inelastic ep scattering to high energy proton-proton and heavy ion collisions

PoS(DIS2015)084. Saturation and geometrical scaling from small x deep inelastic ep scattering to high energy proton-proton and heavy ion collisions Saturation and geometrical scaling from small x deep inelastic ep scattering to high energy proton-proton and heavy ion collisions M. Smoluchowski Institute of Physics, Jagiellonian University, ul. S.

More information

Nonperturbative QCD in pp scattering at the LHC

Nonperturbative QCD in pp scattering at the LHC Nonperturbative QCD in pp scattering at the LHC IX Simpósio Latino Americano de Física de Altas Energias SILAFAE Jochen Bartels, Hamburg University and Universidad Tecnica Federico Santa Maria Introduction:

More information

arxiv: v1 [hep-ph] 10 Nov 2008

arxiv: v1 [hep-ph] 10 Nov 2008 IPPP/08/83 DCPT/08/166 June 10, 2018 arxiv:0811.1481v1 [hep-ph] 10 Nov 2008 Diffractive processes at the LHC 1 A.D. Martin a,v.a. Khoze a,b and M.G. Ryskin a,b a Institute for Particle Physics Phenomenology,

More information

arxiv: v1 [hep-ph] 7 Jul 2015

arxiv: v1 [hep-ph] 7 Jul 2015 arxiv:1507.01916v1 [hep-ph] 7 Jul 2015 Department of Physics and Astronomy, Iowa State University, Ames, Iowa, 50011, USA E-mail: tuchin@iastate.edu An essential part of experimental program at the future

More information

χ cj Decays into B B in Quark-Pair Creation Model

χ cj Decays into B B in Quark-Pair Creation Model Commun. Theor. Phys. (Beijing, China) 41 (4) pp. 5 56 c International Academic Publishers Vol. 41, No., February 15, 4 χ cj Decays into B B in Quark-Pair Creation Model PING Rong-Gang 1, and JIANG Huan-Qing

More information

Introduction to High Energy Nuclear Collisions I (QCD at high gluon density) Jamal Jalilian-Marian Baruch College, City University of New York

Introduction to High Energy Nuclear Collisions I (QCD at high gluon density) Jamal Jalilian-Marian Baruch College, City University of New York Introduction to High Energy Nuclear Collisions I (QCD at high gluon density) Jamal Jalilian-Marian Baruch College, City University of New York Many thanks to my colleagues, A. Deshpande, F. Gelis, B. Surrow

More information

Research Article Energy Dependence of Slope Parameter in Elastic Nucleon-Nucleon Scattering

Research Article Energy Dependence of Slope Parameter in Elastic Nucleon-Nucleon Scattering Advances in High Energy Physics Volume 215, Article ID 91417, 14 pages http://dx.doi.org/.1155/215/91417 Research Article Energy Dependence of Slope Parameter in Elastic Nucleon-Nucleon Scattering V. A.

More information

Opportunities in low x physics at a future Electron-Ion Collider (EIC) facility

Opportunities in low x physics at a future Electron-Ion Collider (EIC) facility 1 Opportunities in low x physics at a future Electron-Ion Collider (EIC) facility Motivation Quantum Chromo Dynamics Proton=uud Visible Universe Galaxies, stars, people, Silent Partners: Protons & Neutrons

More information

Low mass dileptons from Pb + Au collisions at 158 A GeV

Low mass dileptons from Pb + Au collisions at 158 A GeV PRAMANA cfl Indian Academy of Sciences Vol. 60, No. 5 journal of May 2003 physics pp. 1073 1077 Low mass dileptons from Pb + Au collisions at 158 A GeV SOURAV SARKAR 1, JAN-E ALAM 2;Λ and T HATSUDA 2 1

More information

Evidence for Non-Exponential Differential Cross-Section of pp Elastic Scattering at Low t and s=8tev by TOTEM

Evidence for Non-Exponential Differential Cross-Section of pp Elastic Scattering at Low t and s=8tev by TOTEM EPJ Web of Conferences will be set by the publisher DOI: will be set by the publisher c Owned by the authors, published by EDP Sciences, 2016 Evidence for Non-Exponential Differential Cross-Section of

More information

Proton Structure. at LHC at Center-of-Mass Energy 7 TeV

Proton Structure. at LHC at Center-of-Mass Energy 7 TeV Proton Structure and Prediction of Elastic Scattering at LHC at Center-of-Mass Energy 7 TeV M.M. Islam a, Jan Kaspar b, R.J. Luddy a a University of Connecticut b CERN and Academy of Sciences of the Czech

More information

Multiple Parton Interactions Physics

Multiple Parton Interactions Physics Some entertaining aspects of Multiple Parton Interactions Physics Yuri Dokshitzer LPTHE, Jussieu, Paris & PNPI, St Petersburg GGI 13.09 2011 Multi-Parton Interactions work in collaboration with B.Blok,

More information

Chiral filtering of spin states as a source of SSA. S.M. Troshin and N.E. Tyurin

Chiral filtering of spin states as a source of SSA. S.M. Troshin and N.E. Tyurin Chiral filtering of spin states as a source of SSA S.M. Troshin and N.E. Tyurin Institute for High Energy Physics, Protvino, Russia E-mail: Sergey.Troshin@ihep.ru Abstract arxiv:hep-ph/0510396v1 29 Oct

More information

CHAPTER 2 ELECTRON-PROTON COLLISION

CHAPTER 2 ELECTRON-PROTON COLLISION CHAPTER ELECTRON-PROTON COLLISION.1 Electron-proton collision at HERA The collision between electron and proton at HERA is useful to obtain the kinematical values of particle diffraction and interaction

More information

Photoproduction of Vector Meson φ off Deuteron in QCD Inspired Model

Photoproduction of Vector Meson φ off Deuteron in QCD Inspired Model Commun. Theor. Phys. (Beijing, China) 52 (2009) pp. 295 301 c Chinese Physical Society and IOP Publishing Ltd Vol. 52, No. 2, August 15, 2009 Photoproduction of Vector Meson φ off Deuteron in QCD Inspired

More information

The Orear regime in elastic pp-scattering at s=7 TeV. I.M. Dremin and V.A. Nechitailo. Lebedev Physical Institute, Moscow , Russia

The Orear regime in elastic pp-scattering at s=7 TeV. I.M. Dremin and V.A. Nechitailo. Lebedev Physical Institute, Moscow , Russia The Orear regime in elastic pp-scattering at s=7 TeV I.M. Dremin and V.A. Nechitailo Lebedev Physical Institute, Moscow 119991, Russia Abstract The unitarity condition unambigously requires the Orear region

More information

Physics with Hadron Beams at COMPASS

Physics with Hadron Beams at COMPASS Physics with Hadron Beams at COMPASS Bernhard Ketzer Technische Universität München MAMI and Beyond 2009 International Workshop on Hadron Structure and Spectroscopy 2009 30 March 2009 The Goal Understand

More information

Imaging the Proton via Hard Exclusive Production in Diffractive pp Scattering

Imaging the Proton via Hard Exclusive Production in Diffractive pp Scattering Exclusive Reactions at High Momentum Transfer Jefferson Lab, Newport News, VA May 21-24, 2007 Imaging the Proton via Hard Exclusive Production in Diffractive pp Scattering Charles Earl Hyde Old Dominion

More information

Photon-Photon Diffractive Interaction at High Energies

Photon-Photon Diffractive Interaction at High Energies Photon-Photon Diffractive Interaction at High Energies Cong-Feng Qiao Graduate University Chinese Academy of Sciences December 17,2007 1 Contents Brief About Diffractive Interaction Leading Order Photon

More information

PoS(DIS 2010)071. Diffractive electroproduction of ρ and φ mesons at H1. Xavier Janssen Universiteit Antwerpen

PoS(DIS 2010)071. Diffractive electroproduction of ρ and φ mesons at H1. Xavier Janssen Universiteit Antwerpen Diffractive electroproduction of ρ and φ mesons at Universiteit Antwerpen E-mail: xavier.janssen@ua.ac.be Diffractive electroproduction of ρ and φ mesons is measured at HERA with the detector in the elastic

More information

Total pp cross section measurements at 2, 7, 8 and 57 TeV

Total pp cross section measurements at 2, 7, 8 and 57 TeV Total pp cross section measurements at 2, 7, 8 and 57 TeV A) One (out of several) theoretical framework B) Topologies of events in σ tot C) Direct measurement of σ inel : 1) cosmic-ray experiments 2) collider

More information

arxiv:hep-ph/ v1 19 Mar 1998

arxiv:hep-ph/ v1 19 Mar 1998 DFF302/0398 Energy Scale(s) and Next-to-leading BFKL Equation 1 arxiv:hep-ph/9803389v1 19 Mar 1998 Marcello Ciafaloni and Gianni Camici Dipartimento di Fisica dell Università, Firenze and INFN, Sezione

More information

An Analysis of Energy Dependence Parameter as Mean Charged Multiplicity for Proton-Antiproton Interactions

An Analysis of Energy Dependence Parameter as Mean Charged Multiplicity for Proton-Antiproton Interactions ISSN: 2347-3215 Volume 2 Number 6 (June-2014) pp. 132-140 www.ijcrar.com An Analysis of Energy Dependence Parameter as Mean Charged Multiplicity for Proton-Antiproton Interactions Hardik P.Trivedi 1 and

More information

arxiv:hep-ph/ v1 31 Aug 1999

arxiv:hep-ph/ v1 31 Aug 1999 The AGL Equation from the Dipole Picture arxiv:hep-ph/9908528v1 31 Aug 1999 M. B. Gay Ducati and V. P. Gonçalves Instituto de Física, Univ. Federal do Rio Grande do Sul Caixa Postal 15051, 91501-970 Porto

More information

High Energy Physics. Lecture 9. Deep Inelastic Scattering Scaling Violation. HEP Lecture 9 1

High Energy Physics. Lecture 9. Deep Inelastic Scattering Scaling Violation. HEP Lecture 9 1 High Energy Physics Lecture 9 Deep Inelastic Scattering Scaling Violation HEP Lecture 9 1 Deep Inelastic Scattering: The reaction equation of DIS is written e+ p e+ X where X is a system of outgoing hadrons

More information

Introduction to Saturation Physics

Introduction to Saturation Physics Introduction to Saturation Physics Introduction to Saturation Physics April 4th, 2016 1 / 32 Bibliography F. Gelis, E. Iancu, J. Jalilian-Marian and R. Venugopalan, Ann. Rev. Nucl. Part. Sci. 60, 463 (2010)

More information

Properties of the Spin-flip Amplitude of Hadron Elastic Scattering and Possible Polarization Effects at RHIC

Properties of the Spin-flip Amplitude of Hadron Elastic Scattering and Possible Polarization Effects at RHIC Properties of te Spin-flip Amplitude of Hadron Elastic Scattering and Possible Polarization Effects at RHIC arxiv:ep-p/0210418v1 30 Oct 2002 O. V. Selyugin 1 Joint Institute for Nuclear Researc, Dubna,

More information

Energy-energy and transversal energy-energy correlations in e + e and pp collisions

Energy-energy and transversal energy-energy correlations in e + e and pp collisions Energy-energy and transversal energy-energy correlations in e + e and pp collisions A. Ali, 1, E. A. Kuraev, 2, 1 DESY, Hamburg, Germany 2 JINR, BLTP, Dubna, Moscow region, Russia July 14, 2013 A. Ali,

More information

Physique des Particules Avancées 2

Physique des Particules Avancées 2 Physique des Particules Avancées Interactions Fortes et Interactions Faibles Leçon 6 Les collisions p p (http://dpnc.unige.ch/~bravar/ppa/l6) enseignant Alessandro Bravar Alessandro.Bravar@unige.ch tél.:

More information

Analysis of charmless B decays in Factorization Assisted Topological amplitude approach

Analysis of charmless B decays in Factorization Assisted Topological amplitude approach Analysis of charmless B decays in Factorization Assisted Topological amplitude approach Si-Hong Zhou Institute of High Energy Physics,CAS August 24, 2016 Based on work collaorated with Cai-Dian Lu and

More information

Pomeron Intercept and Slope: the QCD connection

Pomeron Intercept and Slope: the QCD connection Pomeron Intercept and Slope: the QCD connection th International Conference on Elastic and Diffractive Scattering Forward Physics and QCD K. Goulianos The Rockefeller University intercept slope th Blois

More information

Azimuthal angle decorrelation of Mueller Navelet jets at NLO

Azimuthal angle decorrelation of Mueller Navelet jets at NLO Azimuthal angle decorrelation of Mueller Navelet jets at NLO Physics Department, Theory Division, CERN, CH- Geneva 3, Switzerland E-mail: Agustin.Sabio.Vera@cern.ch F. Schwennsen II. Institut für Theoretische

More information

arxiv: v1 [nucl-ex] 7 Nov 2009

arxiv: v1 [nucl-ex] 7 Nov 2009 Low-x QCD at the LHC with the ALICE detector Magdalena Malek for the ALICE Collaboration arxiv:0911.1458v1 [nucl-ex] 7 Nov 2009 Institut de Physique Nucléaire d Orsay (IPNO) - France CNRS: UMR8608 - IN2P3

More information

Pomeron Intercept and Slope: are they related?

Pomeron Intercept and Slope: are they related? Pomeron Intercept and Slope: are they related? K. Goulianos The Rockefeller University intercept slope Small-x and Diffraction, FERMILAB, 7-3 March 007 Contents Introduction Diffraction in QCD Pomeron

More information

arxiv:hep-ph/ v2 14 Mar 2000

arxiv:hep-ph/ v2 14 Mar 2000 Estimate of the Three-Loop Perturative Contriution to Inclusive Semileptonic u Decays arxiv:hep-ph/991551v2 14 Mar 2 M.R. Ahmady, F.A. Chishtie, V.Elias Department of Applied Mathematics University of

More information

PoS(LHC07)034. Dijet correlations in pp collisions at RHIC

PoS(LHC07)034. Dijet correlations in pp collisions at RHIC Institute of Nuclear Physics, PL-31-342 Cracow, Poland and University of Rzeszów, PL-35-959 Rzeszów, Poland E-mail: Antoni.Szczurek@ifj.edu.pl Anna Rybarska Institute of Nuclear Physics, PL-31-342 Cracow,

More information

arxiv: v1 [hep-ph] 18 Feb 2016

arxiv: v1 [hep-ph] 18 Feb 2016 Nuclear Physics A Nuclear Physics A 00 (2016) 1 5 www.elsevier.com/locate/procedia arxiv:1602.05811v1 [hep-ph] 18 Feb 2016 Abstract Confronting fluctuations of conserved charges in central nuclear collisions

More information

Charge and spin asymmetries in elastic lepton-nucleon scattering

Charge and spin asymmetries in elastic lepton-nucleon scattering Charge and spin asymmetries in elastic lepton-nucleon scattering Oleksandr Koshchii 1,a) and Andrei Afanasev 1 arxiv:1807.06163v1 [hep-ph] 17 Jul 2018 1 The George Washington University, Washington, D.C.

More information

arxiv:hep-ph/ v1 29 Oct 2005

arxiv:hep-ph/ v1 29 Oct 2005 1 Electroproduction of two light vector mesons in next-to-leading BFKL D.Yu. Ivanov 1 and A. Papa arxiv:hep-ph/0510397v1 9 Oct 005 1 Sobolev Institute of Mathematics, 630090 Novosibirsk, Russia Dipartimento

More information

Measurement of photon production cross sections also in association with jets with the ATLAS detector

Measurement of photon production cross sections also in association with jets with the ATLAS detector Nuclear and Particle Physics Proceedings 00 (07) 6 Nuclear and Particle Physics Proceedings Measurement of photon production cross sections also in association with jets with the detector Sebastien Prince

More information

Forward Physics at LHC

Forward Physics at LHC 1 Forward Physics at LHC Risto Orava University of Helsinki and Helsinki Institute of Physics Physics Objectives & Background A Case Study at LHC - ATLAS Detectors for the Forward Spectrometer Planned

More information

Antibaryon to Baryon Production Ratios in DPMJET-III. in Pb-Pb and p-p collision at LHC energies of the DPMJET-III Monte Carlo

Antibaryon to Baryon Production Ratios in DPMJET-III. in Pb-Pb and p-p collision at LHC energies of the DPMJET-III Monte Carlo Antibaryon to Baryon Production Ratios in Pb-Pb and p-p collision at LHC energies of the DPMJET-III Monte Carlo Fritz W. Bopp, Johannes Ranft, R. Engel and S. Roesler Department of Physics, Siegen University,

More information

Introduction to Perturbative QCD

Introduction to Perturbative QCD Introduction to Perturbative QCD Lecture Jianwei Qiu Iowa State University/Argonne National Laboratory PHENIX Spinfest at RIKEN 007 June 11 - July 7, 007 RIKEN Wako Campus, Wako, Japan June 5, 007 1 Infrared

More information

Measurement of the Charged Pion Form Factor to High Q 2

Measurement of the Charged Pion Form Factor to High Q 2 Measurement of the Charged Pion Form Factor to High Q 2 Dave Gaskell Jefferson Lab Hall C Users Meeting January 22, 2016 1 Outline 1. Motivation and techniques for measuring F π (Q 2 ) 2. Data àpre-jlab

More information

Physics at Hadron Colliders Partons and PDFs

Physics at Hadron Colliders Partons and PDFs Physics at Hadron Colliders Partons and PDFs Marina Cobal Thanks to D. Bettoni Università di Udine 1 2 How to probe the nucleon / quarks? Scatter high-energy lepton off a proton: Deep-Inelastic Scattering

More information

From ZZ 4l to Vector Boson Scattering at LHC

From ZZ 4l to Vector Boson Scattering at LHC From ZZ 4l to Vector Boson Scattering at LHC Linda Finco Supervisor: Nicola Amapane Second Year Seminar Outline LHC and the CMS Experiment VBS: theoretic introduction and motivations ZZ+2jets Channel ZZ

More information

Structures of (ΩΩ) 0 + and (ΞΩ) 1 + in Extended Chiral SU(3) Quark Model

Structures of (ΩΩ) 0 + and (ΞΩ) 1 + in Extended Chiral SU(3) Quark Model Commun. Theor. Phys. (Beijing, China) 40 (003) pp. 33 336 c International Academic Publishers Vol. 40, No. 3, September 15, 003 Structures of (ΩΩ) 0 + and (ΞΩ) 1 + in Extended Chiral SU(3) Quark Model

More information

Physics with Tagged Forward Protons using the STAR Detector at RHIC. The Relativistic Heavy Ion Collider The pp2pp Experiment STAR 2009

Physics with Tagged Forward Protons using the STAR Detector at RHIC. The Relativistic Heavy Ion Collider The pp2pp Experiment STAR 2009 Physics with Tagged Forward Protons using the STAR Detector at RHIC The Relativistic Heavy Ion Collider The pp2pp Experiment 2002 2003 STAR 2009 Elastic and Diffractive Processes Elastic scattering Detect

More information

THE POMERON IN EXCLUSIVE VECTOR MESON PRODUCTION. Academy of Science of Ukraine UA Kiev, Ukraine c Dipartimento di Fisica, Università di Padova

THE POMERON IN EXCLUSIVE VECTOR MESON PRODUCTION. Academy of Science of Ukraine UA Kiev, Ukraine c Dipartimento di Fisica, Università di Padova DFCAL-TH 03/3 February 2003 THE POMERON IN EXCLUSIVE VECTOR MESON PRODUCTION R. Fiore a, L.L. Jenkovszky b, F. Paccanoni c, A. Prokudin d a Dipartimento di Fisica, Università della Calabria Instituto Nazionale

More information

On Factorization of Coupled Channel Scattering S Matrices

On Factorization of Coupled Channel Scattering S Matrices Commun. Theor. Phys. Beijing, China 48 007 pp. 90 907 c International Academic Publishers Vol. 48, No. 5, November 5, 007 On Factoriation of Coupled Channel Scattering S Matrices FANG Ke-Jie Department

More information

Partial Wave Analysis of J/ψ Decays into ρρπ

Partial Wave Analysis of J/ψ Decays into ρρπ Commun. Theor. Phys. (Beijing, China) 48 (2007) pp. 33 38 c International Academic Publishers Vol. 48, No. 2, August 5, 2007 Partial Wave Analysis of J/ψ Decays into ρρπ ZHANG Zhen-Xia, and WU Ning 2 Department

More information

Probing Nuclear Color States with J/Ψ and φ

Probing Nuclear Color States with J/Ψ and φ Probing Nuclear Color States with J/Ψ and φ Michael Paolone Temple University Next Generation Nuclear Physics with JLab12 and the EIC FIU - Miami, Florida February 12th 2016 J/Ψ and φ experiments at a

More information

Exclusive Vector Meson Production and Inclusive K 0

Exclusive Vector Meson Production and Inclusive K 0 Exclusive Vector Meson Production and Inclusive K 0 S K0 S Final State in DIS at HERA Photon003, Frascati 07-11/04 McGill University For the H1 and Zeus Collaboration Outline: Exclusive vector meson production

More information

Vector meson photoproduction in ultra-peripheral p-pb collisions measured using the ALICE detector

Vector meson photoproduction in ultra-peripheral p-pb collisions measured using the ALICE detector Vector meson photoproduction in ultra-peripheral p-pb collisions measured using the ALICE detector Jaroslav Adam On behalf of the ALICE Collaboration Faculty of Nuclear Sciences and Physical Engineering

More information

arxiv: v1 [hep-ph] 30 Apr 2016

arxiv: v1 [hep-ph] 30 Apr 2016 The slope, curvature, and higher parameters in pp and pp scattering, and the extrapolation of measurements of dσ(s,t)/dt to t = Martin M. Block Department of Physics and Astronomy, Northwestern University,

More information

Does the E791 experiment have measured the pion wave function. Victor Chernyak. Budker Institute of Nuclear Physics, Novosibirsk, Russia

Does the E791 experiment have measured the pion wave function. Victor Chernyak. Budker Institute of Nuclear Physics, Novosibirsk, Russia Does the E791 experiment have measured the pion wave function profile? Victor Chernyak Budker Institute of Nuclear Physics, 630090 Novosibirsk, Russia Abstract The cross section of hard diffractive dissociation

More information

Lecture 3 Cross Section Measurements. Ingredients to a Cross Section

Lecture 3 Cross Section Measurements. Ingredients to a Cross Section Lecture 3 Cross Section Measurements Ingredients to a Cross Section Prerequisites and Reminders... Natural Units Four-Vector Kinematics Lorentz Transformation Lorentz Boost Lorentz Invariance Rapidity

More information

Elementary Particles, Flavour Physics and all that...

Elementary Particles, Flavour Physics and all that... Elementary Particles, Flavour Physics and all that... 1 Flavour Physics The term Flavour physics was coined in 1971 by Murray Gell-Mann and his student at the time, Harald Fritzsch, at a Baskin-Robbins

More information

arxiv:hep-ph/ v1 9 May 1997

arxiv:hep-ph/ v1 9 May 1997 Model of the Stochastic Vacuum and QCD Parameters Erasmo Ferreira Instituto de Física, Universidade Federal do Rio de Janeiro Rio de Janeiro 21945-970, RJ, Brazil arxiv:hep-ph/9705280v1 9 May 1997 Flávio

More information

TOTEM Update BSM? Fredrik Oljemark (Helsinki Univ. & HIP) On behalf of the TOTEM Collaboration Jyväskylä, TOTEM p. 1

TOTEM Update BSM? Fredrik Oljemark (Helsinki Univ. & HIP) On behalf of the TOTEM Collaboration Jyväskylä, TOTEM p. 1 TOTEM Update Fredrik Oljemark (Helsinki Univ. & HIP) b BSM? On behalf of the TOTEM Collaboration Jyväskylä, 25.11.2016 TOTEM p. 1 TOTEM Physics Overview Total cross-section Elastic Scattering b Forward

More information

arxiv: v1 [hep-ph] 8 May 2015

arxiv: v1 [hep-ph] 8 May 2015 , Gravitational form factors and transverse spin sum rule in a light front quark-diquark model in AdS/QCD Dipankar Chakraarti, 1 Chandan Mondal, 1 and Asmita Mukherjee arxiv:155.13v1 hep-ph 8 May 15 1

More information

Elastic and inelastic cross section measurements with the ATLAS detector

Elastic and inelastic cross section measurements with the ATLAS detector Elastic and inelastic cross section measurements with the ATLAS detector Simon Holm Stark Niels Bohr Institute University of Copenhagen MPI@LHC 2017 December 13, 2017, Shimla, India Outline: Physics motivation.

More information

Production of digluon and quark-antiquark dijets in central exclusive processes

Production of digluon and quark-antiquark dijets in central exclusive processes Production of digluon and quark-antiquark dijets in central exclusive processes Antoni Szczurek, Institute of Nuclear Physics PAN PL4 Cracow, Poland University of Rzeszów PL559 Rzeszów, Poland We discuss

More information

arxiv: v1 [hep-ph] 21 Nov 2018

arxiv: v1 [hep-ph] 21 Nov 2018 Model-independent femtoscopic Lévy imaging for elastic proton-proton scattering T. Csörgő, 1,, 3, R. Pasechnik, 4, 5, 6, and A. Ster 3, 1 CERN, CH-111 Geneva 3, Switzerland EKE KRC, H-300 Gyöngyös, Mátrai

More information

Polarizing Helium-3 for down quark spin enrichment. Nigel Buttimore

Polarizing Helium-3 for down quark spin enrichment. Nigel Buttimore Polarizing Helium-3 for down quark spin enrichment Nigel Buttimore Trinity College Dublin 12 September 2012 Diffraction 2012 Polarized Helium-3 OUTLINE Introduction to the spin structure of polarized protons

More information

Probing nucleon structure by using a polarized proton beam

Probing nucleon structure by using a polarized proton beam Workshop on Hadron Physics in China and Opportunities with 12 GeV Jlab July 31 August 1, 2009 Physics Department, Lanzhou University, Lanzhou, China Probing nucleon structure by using a polarized proton

More information

arxiv: v3 [hep-ph] 29 Sep 2017

arxiv: v3 [hep-ph] 29 Sep 2017 arxiv:79.28v3 [hep-ph] 29 Sep 27 Inclusive charged light di-hadron production at 7 and 3 TeV LHC in the full NLA BFKL approach F.G. Celiberto,2, D.u. Ivanov 3,4, B. Murdaca 2 and A. Papa,2 Dipartimento

More information

Production of Light SUSY Hadrons at LHC

Production of Light SUSY Hadrons at LHC Production of Light SUSY Hadrons at LHC Ding-Yu Shao shaodingyu@mail.nankai.edu.cn School of Physics, Nankai University Co-workers: Prof. Xue-Qian Li and Prof. Mao-Zhi Yang School of Physics, Nankai University

More information

Higgs Searches and Properties Measurement with ATLAS. Haijun Yang (on behalf of the ATLAS) Shanghai Jiao Tong University

Higgs Searches and Properties Measurement with ATLAS. Haijun Yang (on behalf of the ATLAS) Shanghai Jiao Tong University Higgs Searches and Properties Measurement with ATLAS Haijun Yang (on behalf of the ATLAS) Shanghai Jiao Tong University LHEP, Hainan, China, January 11-14, 2013 Outline Introduction of SM Higgs Searches

More information