modifications: an overview
|
|
|
- Rafe Copeland
- 6 years ago
- Views:
Transcription
1 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 2003/1 p.1
2 Summary Brief introduction to the IP omeron; The model: two gluon exchange; Results; Improvements; Conclusions. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.2
3 Introduction The IP omeron : Regge theory versus QCD (BFKL): different predictions for the cross sections with small momentum transfer in high energy collisions. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.3
4 Introduction The IP omeron : Regge theory versus QCD (BFKL): different predictions for the cross sections with small momentum transfer in high energy collisions. LN Model: QCD vacuum properties modified the gluon propagator in long range (soft) interactions Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.3
5 The model: Introduction Two gluon exchange: Low-Nussinov model for the IP omeron; Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.4
6 The model: Introduction Two gluon exchange: Low-Nussinov model for the IP omeron; Modeling the hadron collisions as photon-photon collisions; Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.4
7 The model: Introduction Two gluon exchange: Low-Nussinov model for the IP omeron; Modeling the hadron collisions as photon-photon collisions; Gunion & Soper (after Cheng & Wu): multiple gauge boson exchange in s Channel; Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.4
8 The model: Introduction Two gluon exchange: Low-Nussinov model for the IP omeron; Modeling the hadron collisions as photon-photon collisions; Gunion & Soper (after Cheng & Wu): multiple gauge boson exchange in s Channel; pp scattering with two gluon exchange: A pp 2 = 8isα2 s dk D(k 2 )D ( ( k) 2) [E 1 ( ) E 2 (k, k)] 2. (1) Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.4
9 The model: Introduction The E s are form factors: E 1 proton s Dirac elastic form factor, E 1 (t = 2 ) = 4m 2 p 2, 79t ( ) 2. (2) (4m 2 p t) 1 t 0,71 Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.5
10 The model: Introduction The E s are form factors: E 1 proton s Dirac elastic form factor, E 1 (t = 2 ) = 4m 2 p 2, 79t ( ) 2. (3) (4m 2 p t) 1 t 0,71 E 2 has a arbritary functional form but the infrared divergences goes to zero when k s 0 E 2 (k a, k b ) = E 1 (k 2 a + k 2 b fk a k b ), (3) where f is a hadron depend parameter. First, Cudell & Ross used f = 7, later Cudell & Nguyen used f = 1 (used here). Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.5
11 The model: Introduction Rewrite the amplitude as A pp 2 (s, t) = 8isα2 s (T 1 T 2 ), (4) T 1 = T 2 = s 0 s p ± = /2 ± k, 0 dk D(p + )D(p )E 2 1 ( ), dk D(p + )D(p )E 2 (p +, p ) [ 2E 2 1 ( ) + E 2 (p +, p ) ], Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.6
12 The model: Introduction Rewrite the amplitude as A pp 2 (s, t) = 8isα2 s (T 1 T 2 ), (4) T 1 = T 2 = s 0 s p ± = /2 ± k, 0 dk D(p + )D(p )E 2 1 ( ), dk D(p + )D(p )E 2 (p +, p ) [ 2E 2 1 ( ) + E 2 (p +, p ) ], T 1 : the gluons strucks the same quark inside the proton and T 2 : different quarks inside the proton. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.6
13 The Model: Cross Sections Cross sections by optical theorem: σtot 0 = App 2 (s, 0), is (4) dσ 0 = App 2 (s, t) 2 dt 16πs 2. (5) Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.7
14 The Model: Cross Sections Cross sections by optical theorem: σtot 0 = App 2 (s, 0), is (6) dσ 0 = App 2 (s, t) 2 dt 16πs 2. (6) Note that the cross sections are independent of energy Too simple approx. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.7
15 The Model: Cross Sections Cross sections by optical theorem: σtot 0 = App 2 (s, 0), is (5) dσ 0 = App 2 (s, t) 2 dt 16πs 2. (5) Note that the cross sections are independent of energy Too simple approx. In low momentum transfer: dσ dt = A ebt A = σ2 tot 16π, B = d dt ( ln dσ ). (4) dt t=0 Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.7
16 The model: Pros and cons Problems: Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.8
17 The model: Pros and cons Problems: no energy dependence Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.8
18 The model: Pros and cons Problems: no energy dependence B(t = 0) for D(k 2 ) = 1/k 2 Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.8
19 The model: Pros and cons Problems: no energy dependence B(t = 0) for D(k 2 ) = 1/k 2 Possible solution: Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.8
20 The model: Pros and cons Problems: no energy dependence B(t = 0) for D(k 2 ) = 1/k 2 Possible solution: ad hoc Regge energy term. σ tot = dσ dt = ( s m 2 p ( s m 2 p ) 0,08 σ 0 tot, (3) ) 0,168 dσ 0 dt. (3) Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.8
21 The model: Previous results LN model (pp pp at s = 53 GeV) Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.9
22 The model: Previous results LN model (pp pp at s = 53 GeV) Cudell & Ross EDS solutions; Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.9
23 The model: Previous results LN model (pp pp at s = 53 GeV) Cudell & Ross EDS solutions; Halzen, Krein & Natale Cornwall s solution; Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.9
24 The model: Previous results LN model (pp pp at s = 53 GeV) Cudell & Ross EDS solutions; Halzen, Krein & Natale Cornwall s solution; UKQCD Coll. Lattice solution; Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.9
25 The model: Previous results LN model (pp pp at s = 53 GeV) Cudell & Ross EDS solutions; Halzen, Krein & Natale Cornwall s solution; UKQCD Coll. Lattice solution; Aguilar, Mihara & Natale Comparison of propagators. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.9
26 The model: Our approach Our approach: using IR modified gluon props but not fixing parameters with LN formulae. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.10
27 The model: Our approach Our approach: using IR modified gluon props but not fixing parameters with LN formulae. Cornwall propagator: D 1 C (q2 ) = [ q 2 + m 2 (q 2 ) ] b g 2 ln [ ] q m 2 (q 2 ) Λ 2 QCD m 2 (q 2 ) = m 2 g ( ) ln q2+4 m2 g Λ 2 QCD ( ) 4 m 2 ln g Λ 2 QCD 12/11 Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.10
28 The model: Propagators Cornwall modified propagator: D C (q 2 ) = 1 q 2 + m 2 (q 2 ) Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.11
29 The model: Propagators Cornwall modified propagator: D C (q 2 ) = 1 q 2 + m 2 (q 2 ) Massive: D M (q 2 ) = 1 q 2 + m 2 g Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.11
30 The model: Propagators Cornwall modified propagator: D C (q 2 ) = 1 q 2 + m 2 (q 2 ) Massive: D M (q 2 1 ) = q 2 + m 2 g Häbel/Gribov propagator: D HG (q 2 ) = q2 q 4 + b 4 Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.11
31 The model: Propagators Gorbar/Natale propagator D GN (q 2 ) = 1 q 2 + m 2 GN (q2 ), m 2 GN(q 2 ) = µ 2 gθ(χµ 2 g q 2 ) + µ2 g q 2 Θ(q2 χµ 2 g) Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.12
32 The model: Coupling Constant α s fixed: α s = 0, 9 and α s = α s (0). Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.13
33 The model: Coupling Constant α s fixed: α s = 0, 9 and α s = α s (0). α s running: α s (k 2 ) = 4π β 0 ln ( k2 +4m 2 D Λ 2 QCD ), Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.13
34 The model: Coupling Constant α s fixed: α s = 0, 9 and α s = α s (0). α s running: α s (k 2 ) = 4π β 0 ln ( k2 +4m 2 D Λ 2 QCD ), The scale of the coupling is the momentum of the gluon. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.13
35 Results dσ/dt (mb/gev 2 ) α s = 0.9 Cornwall Cornwall (var) Massivo (m g =0.8 GeV 2 ) Habel/Gribov Gorbar/Natale α s = α s (0) t (GeV 2 ) t (GeV 2 ) Differential cross section. s = 53 GeV. Fixed coupling. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.14
36 Results dσ/dt (mb/gev 2 ) α s = 0.9 Cornwall Cornwall (var) Massivo (m g =0.8 GeV 2 ) HabelGribov Gorbar/Natale α s = α s (0) t (GeV 2 ) t (GeV 2 ) Differential cross section. s = 1.8 TeV. Fixed coupling. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.15
37 Results dσ/dt (mb/gev 2 ) α s = 0.9 Cornwall Cornwall (var) Massivo (m g =0.8 GeV 2 ) HabelGribov Gorbar/Natale α s = α s (0) t (GeV 2 ) t (GeV 2 ) Differential elastic cross section. s = 53 GeV. Fixed coupling. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.16
38 Results α s = 0.9 Cornwall Cornwall (var) Massivo (m g =0.8 GeV 2 ) HabelGribov Gorbar/Natale α s = α s (0) dσ/dt (mb/gev 2 ) t (GeV 2 ) t (GeV 2 ) Differential elastic cross section. s = 1.8 TeV. Fixed coupling. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.17
39 Results 10 3 sqrt(s) = 53 GeV 10 3 sqrt(s)= 1.8 TeV dσ/dt (mb/gev 2 ) Cornwall Cornwall (var.) Massivo (m g = 0.8 GeV) HabelGribov Gorbar/Natale t (GeV 2 ) t (GeV 2 ) Differential elastic cross section. s = 1.8 TeV. Running coupling. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.18
40 Conclusions Good (or poor) agreement with the data in particular cases (with same parameters of previous analisis). Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.19
41 Conclusions Good (or poor) agreement with the data in particular cases (with same parameters of previous analisis). The model with running coupling have a good agreement with the data. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.19
42 Conclusions Good (or poor) agreement with the data in particular cases (with same parameters of previous analisis). The model with running coupling have a good agreement with the data. Strong dependence of the running coupling. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.19
43 Improvements Cudell & Nguyen: next leading order (but not BFKL). Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.20
44 Improvements Cudell & Nguyen: next leading order (but not BFKL). BFKL with non perturbative propagators: Hancock & Ross, Vacca & Venturi, Nikolaev, Zakharov & Zoller, Forshaw & Harriman. Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.20
45 References Cudell, Ross Nucl. Phys B 359 (1991) 247 Cudell, Nguyen Nucl. Phys. B 420 (1994) 669 UKQCD Coll. Phys. Lett. B 369 (1996) 130 Halzen et al. Phys. Rev. D 47 (1993) 295 Aguilar et al. Phys. Rev. D 65 (2002) , hep-ph/ NNZ JETP Lett. 60 (1994) 694, Phys. Lett. B 328 (1994) 486 Jenkovszky et al. Sov. J. Nucl. Phys. 53 (1991) 329, Z. Phys. C 63 (1994) 131 Ross J. Phys. G 15 (1989) 1175 Hancock, Ross Nucl. Phys. B 383 (1992) 575, Nucl. Phys. B 394 (1993) 200 Vacca, Venturi Il Nuovo Cim. A 108 (1995) 77 Forshaw & Harriman Phys. Rev. D 46 (1992) 3778 Seminários de Fenomenologia de Partículas de Altas Energias 2003/1 p.21
arxiv:hep-ph/ v1 11 Jul 2006
International Journal of Modern Physics A c World Scientific Publishing Company arxiv:hep-ph/0607128v1 11 Jul 2006 Gluon propagator in diffractive scattering M. B. Gay Ducati Grupo de Fenomenologia de
(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
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
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
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
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
arxiv: v2 [hep-ph] 30 Jan 2018
![arxiv: v2 [hep-ph] 30 Jan 2018](/thumbs/84/91212443.jpg "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,
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
5 Infrared Divergences
5 Infrared Divergences We have already seen that some QED graphs have a divergence associated with the masslessness of the photon. The divergence occurs at small values of the photon momentum k. In a general
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.
arxiv:hep-ph/ v2 29 Jan 2001
SELF-ORGANIZED CRITICALITY IN GLUON SYSTEMS AND ITS CONSEQUENCES K. TABELOW Institut für Theoretische Physik, FU Berlin, Arnimallee 14, 14195 Berlin,Germany E-mail: karsten.tabelow@physik.fu-berlin.de
MBR Monte Carlo Simulation in PYTHIA8
MBR Monte Carlo Simulation in PYTHIA8 Robert Ciesielski, Konstantin Goulianos The Rockefeller University, 130 York Avenue, New York, NY 10065, USA E-mail: robert.ciesielski@rockefeller.edu, dino@rockefeller.edu
PoS(DIFF2006)005. Inclusive diffraction in DIS H1 Results. Paul Laycock
University of Liverpool Oliver Lodge Laboratory, Department of Physics, Oxford St. Liverpool L69 7ZE, United Kingdom E-mail: laycock@mail.desy.de Results are presented of three analyses on the diffractive
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
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
Flavor Asymmetry of the Nucleon Sea and W-Boson Production*
Flavor Asymmetry of the Nucleon Sea and W-Boson Production* Department of Physics University of Illinois 7 December 2012 *R. Yang, J.C. Peng, M. Grosse-Perdekamp, Phys. Lett. B 680 (2009) 231-234 What
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
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
Jet Photoproduction at THERA
DESY 0 03 ISSN 048 9833 hep ph/00309 March 200 Jet Photoproduction at THERA arxiv:hep-ph/00309v 9 Mar 200 M. Klasen II. Institut für Theoretische Physik, Universität Hamburg, Luruper Chaussee 49, 2276
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,
ELECTROWEAK CORRECTIONS TO GAUGE BOSON AND TOP QUARK PRODUCTION AT HADRON COLLIDERS
ELECTROWEAK CORRECTIONS TO GAUGE BOSON AND TOP QUARK PRODUCTION AT HADRON COLLIDERS J.H. Kühn, Karlsruhe I. Introduction II. Z- and Photon Production Phys. Lett. B609(2005 277 Nucl. Phys. B727(2005 368
Proton Structure Function Measurements from HERA
Proton Structure Function Measurements from HERA Jörg Gayler DESY, Notkestrasse 85, 2263 Hamburg, Germany E-mail: gayler@mail.desy.de Abstract. Measurements of proton structure functions made in neutral
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
Phenomenology of Infrared Finite Gluon Propagator and Coupling Constant
36 Brazilian Journal of Physics, vol. 37, no. 1B, March, 27 Phenomenology of Infrared Finite Gluon Propagator and Coupling Constant A. A. Natale Instituto de Física Teórica - UNESP - Rua Pamplona, 145-145-9
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:
Nuclear Slope Parameter of pp and pp Elastic Scattering in QCD Inspired Model
Commun. Theor. Phys. (Beijing, China) 49 (28) pp. 456 46 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,
Small-x Scattering and Gauge/Gravity Duality
Small-x Scattering and Gauge/Gravity Duality Marko Djurić University of Porto work with Miguel S. Costa and Nick Evans [Vector Meson Production] Miguel S. Costa [DVCS] Richard C. Brower, Ina Sarcevic and
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
arxiv:hep-ph/ v1 29 May 1995
March, 1995 TUM/T39-95-3 arxiv:hep-ph/9505399v1 29 May 1995 NON-PERTURBATIVE SCALES IN SOFT HADRONIC COLLISIONS AT HIGH ENERGY ) U. Grandel ) and W. Weise Physik-Department Technische Universität München
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
Non-perturbative momentum dependence of the coupling constant and hadronic models
Non-perturbative momentum dependence of the coupling constant and hadronic models Pre-DIS Wokshop QCD Evolution Workshop: from collinear to non collinear case April 8-9, 2011 JLab Aurore Courtoy INFN-Pavia
arxiv:hep-ph/ v1 7 Aug 2000
7 August 2000 Resonance production in central pp collisions at the CERN Omega Spectrometer arxiv:hep-ph/0008053v1 7 Aug 2000 A. Kirk School of Physics and Astronomy, University of Birmingham, Birmingham,
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
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
arxiv: v1 [hep-ph] 14 Apr 2015
![arxiv: v1 [hep-ph] 14 Apr 2015](/thumbs/91/107615484.jpg "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
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
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
arxiv: v1 [hep-ph] 10 Nov 2008
![arxiv: v1 [hep-ph] 10 Nov 2008](/thumbs/81/83506829.jpg "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,
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
Exclusive VM electroproduction
Exclusive VM electroproduction γ * p V p V γ ρ ϕ ψ =,,, J /, ϒ Aharon Levy Tel Aviv University on behalf of the H and collaborations June, 28 A. Levy: Exclusive VM, GPD8, Trento Why are we measuring σ
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
arxiv: v1 [hep-ph] 23 Nov 2007
![arxiv: v1 [hep-ph] 23 Nov 2007](/thumbs/72/66468652.jpg "arxiv: v1 [hep-ph] 23 Nov 2007")
Testing the RRPP vertex of effective Regge action E. A. Kuraev, V. V. Bytev, S. Bakmaev JINR-BLTP, 4980 Dubna, Moscow region, Russian Federation E.N. Antonov arxiv:07.3576v [hep-ph] 23 Nov 2007 Petersburg
arxiv:hep-ph/ v1 6 Nov 2006
arxiv:hep-ph/0611063v1 6 Nov 2006 in diffractive reactions Institute of Nuclear Physics PAN, ul. Radzikowskiego 152 PL-31-342 Cracow, Poland and University of Rzeszów, ul. Rejtana 16 PL-35-959 Rzeszów,
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
MPIH{V11{1995. in Proton-Nucleus and. Jorg Hufner. Instut fur Theoretische Physik der Universitat, Philosophenweg 19, Heidelberg, Germany
MPIH{V{995 The Relative J to Suppression in Proton-Nucleus and Nucleus-Nucleus Collisions Jorg Hufner Instut fur Theoretische Physik der Universitat, Philosophenweg 9, 692 Heidelberg, Germany E-mail: huefner@zooey.mpi-hd.mpg.de
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
Physics Results on the Tagged Structure Functions at HERA
Physics Results on the Tagged Structure Functions at HERA DESY on behalf of H1 and ZEUS Thomas Jefferson National Accelerator Facility Newport News, VA January 16-18 014 Page 1 Exploring Hadron Structure
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:
PoS(DIFF2006)011. Vector Mesons at H1. Niklaus Berger
Institute for Particle Physics, ETH Zurich, 893 Zurich, Switzerland E-mail: nberger@phys.ethz.ch on behalf of the H collaboration The study of exclusive vector meson production at HERA sheds light on the
Diffractive rho and phi production in DIS at HERA
Xavier Janssen, on behalf of H and Collaborations. Université Libre de Bruxelles, Belgium. E-mail: xjanssen@ulb.ac.be These proceedings report on H and results on diffractive electroproduction of ρ and
arxiv: v1 [hep-ph] 5 Nov 2014
![arxiv: v1 [hep-ph] 5 Nov 2014](/thumbs/73/69562098.jpg "arxiv: v1 [hep-ph] 5 Nov 2014")
Hard probes and the event generator EPOS arxiv:1411.1336v1 [hep-ph] 5 Nov 2014 B Guiot and K Werner SUBATECH, University of Nantes-IN2P3/CNRS-EMN, Nantes, France E-mail: guiot@subatech.in2p3.fr Abstract.
Quantum Field Theory 2 nd Edition
Quantum Field Theory 2 nd Edition FRANZ MANDL and GRAHAM SHAW School of Physics & Astromony, The University of Manchester, Manchester, UK WILEY A John Wiley and Sons, Ltd., Publication Contents Preface
arxiv:hep-ph/ v1 23 Apr 2002
DESY 01-116 LUNFD6/(NFFL 70) 001 hep-ph/0069 arxiv:hep-ph/0069v1 3 Apr 00 Massive c cg - Calculation in Diffractive DIS and Diffractive D - Production at HERA J. Bartels 1, H. Jung, A. Kyrieleis 1 1 II.
A Model That Realizes Veneziano Duality
A Model That Realizes Veneziano Duality L. Jenkovszky, V. Magas, J.T. Londergan and A. Szczepaniak, Int l Journ of Mod Physics A27, 1250517 (2012) Review, Veneziano dual model resonance-regge Limitations
Pomeron exchange and t-dependence of the scattering amplitude
DFPD 02/TH/1 January 2002 Pomeron exchange and t-dependence of the scattering amplitude F. Paccanoni Dipartimento di Fisica, Università di Padova, Istituto Nazionale di Fisica Nucleare, Sezione di Padova,
arxiv: v3 [hep-ph] 29 Sep 2017
![arxiv: v3 [hep-ph] 29 Sep 2017](/thumbs/93/113489687.jpg "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
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
Measurements of Proton Structure at Low Q 2 at HERA
Measurements of Proton Structure at Low Q 2 at HERA Victor Lendermann Kirchhoff-Institut für Physik, Universität Heidelberg Im Neuenheimer Feld 227, 69120 Heidelberg Germany Abstract. Inclusive ep scattering
DIFFRACTIVE DIJET PHOTOPRODUCTION AND THE OFF-DIAGONAL GLUON DISTRIBUTION a
DIFFRACTIVE DIJET PHOTOPRODUCTION AND THE OFF-DIAGONAL GLUON DISTRIBUTION a K. GOLEC BIERNAT,,J.KWIECIŃSKI, A.D.MARTIN Department of Physics, University of Durham, Durham DH LE, England H. Niewodniczański
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
Factorisation in Double Parton Scattering: Glauber Gluons
Factorisation in Double Parton Scattering: Glauber Gluons Jonathan Gaunt, Nikhef & VU Amsterdam MPI@LHC 2015, ICTP Trieste, Italy, 24/11/2015 Based on [arxiv:1510.08696], Markus Diehl, JG, Daniel Ostermeier,
arxiv:hep-ph/ v1 15 Jul 1998
The DLLA limit of BFKL in the Dipole Picture arxiv:hep-ph/9807389v1 15 Jul 1998 M. B. Gay Ducati and V. P. Gonçalves Instituto de Física, Univ. Federal do Rio Grande do Sul Caixa Postal 15051, 91501-970
Coulomb gluons and colour evolution
Coulomb gluons and colour evolution René Ángeles-Martínez in collaboration with Jeff Forshaw Mike Seymour JHEP 1512 (2015) 091 & arxiv:1602.00623 (accepted for publication) DPyC, BUAP 2016 In this talk:
Coulomb gluons and colour evolution
Coulomb gluons and colour evolution René Ángeles-Martínez in collaboration with Jeff Forshaw Mike Seymour JHEP 1512 (2015) 091 & arxiv:1602.00623 (accepted for publication) 1 DPyC, BUAP 2016 In this talk:
How can we understand the strong force?
How can we understand the strong force? Gösta Gustafson Department of Astronomy and Theoretical Physics Lund University Seminar 5 March 2014 How can we understand the strong force 1 Gösta Gustafson Lund
Atlas results on diffraction
Atlas results on diffraction Alessia Bruni INFN Bologna, Italy for the ATLAS collaboration Rencontres du Viet Nam 14th Workshop on Elastic and Diffractive Scattering Qui Nhon, 16/12/2011 EDS 2011 Alessia
arxiv: v1 [hep-ph] 28 May 2012
![arxiv: v1 [hep-ph] 28 May 2012](/thumbs/92/109864099.jpg "arxiv: v1 [hep-ph] 28 May 2012")
Evidence for the higher twists effects in diffractive DIS at HERA M. Sadzikowski, L. Motyka, W. S lomiński Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 3-59 Kraków, Poland We
QCD Measurements at HERA
QCD Measurements at HERA Armen Bunyatyan, Max-Planck-Institut für Kernphysik, Heidelberg, Germany Yerevan Physics Institute, Armenia November, 7 Abstract A review is presented of recent results in QCD
Hadronic light-by-light from Dyson-Schwinger equations
Hadronic light-by-light from Dyson-Schwinger equations Christian S. Fischer Justus Liebig Universität Gießen 23rd of October 2014 Together with Richard Williams, Gernot Eichmann, Tobias Goecke, Jan Haas
Two photon exchange: theoretical issues
Two photon exchange: theoretical issues Peter Blunden University of Manitoba International Workshop on Positrons at JLAB March 25-27, 2009 Proton G E /G M Ratio Rosenbluth (Longitudinal-Transverse) Separation
Electron-Positron Annihilation
Evidence for Quarks The quark model originally arose from the analysis of symmetry patterns using group theory. The octets, nonets, decuplets etc. could easily be explained with coloured quarks and the
Top production measurements using the ATLAS detector at the LHC
Top production measurements using the ATLAS detector at the LHC INFN, Sezione di Bologna and University of Bologna E-mail: romano@bo.infn.it This paper is an overview of recent results on top-quark production
Removing Infrared Divergences
Removing Infrared Divergences Summing Soft Photons Amita Kuttner University of California, Santa Cruz Physics 218 Winter 2016 Overview Infrared Divergences Divergences: Infrared and Ultraviolet IR regulators
Elastic and inelastic diffraction at the LHC
Elastic and inelastic diffraction at the LHC László Jenkovszky, and István Szanyi, Bogolyubov Institue for Theoretical Physics, Nat. Ac. Sc. of Ukraine, Kiev Uzhgorod National University, Uzhgorod Abstract.
SCET approach to energy loss. Zhongbo Kang Los Alamos National Laboratory
SCET approach to energy loss Zhongbo Kang Los Alamos National Laboratory Symposium on Jet and Electromagnetic Tomography of Dense Matter June 26-27, 2015 Outline Introduction SCET G = SCET with Glauber
High t form factors & Compton Scattering - quark based models. Gerald A. Miller University of Washington
High t form factors & Compton Scattering - quark based models Gerald A. Miller University of Washington Basic Philosophy- model wave function Ψ Given compute form factors, densities, Compton scattering...
Physik Department, Technische Universität München D Garching, Germany. Abstract
TUM/T39-96-19 Diffractive ρ 0 photo- and leptoproduction at high energies ) G. Niesler, G. Piller and W. Weise arxiv:hep-ph/9610302v1 9 Oct 1996 Physik Department, Technische Universität München D-85747
arxiv: v3 [hep-ph] 14 Nov 2017
![arxiv: v3 [hep-ph] 14 Nov 2017](/thumbs/75/72038576.jpg "arxiv: v3 [hep-ph] 14 Nov 2017")
scattering in ultrarelativistic UPC arxiv:7.868v [hep-ph] 4 Nov 07 Institute of Nuclear Physics Polish Academy of Sciences, PL-4 Krakow, Poland E-mail: Antoni.Szczurek@ifj.edu.pl Mariola Kłusek-Gawenda
Studies on the definition of inelastic Non-Single Diffractive events
Studies on the definition of inelastic Non-Single Diffractive events Armando Bermúdez Martínez Instituto Superior de Tecnologías y Ciencias Aplicadas (InSTEC), Havana, Cuba Supervisor: Hannes Jung September,
AN INTRODUCTION TO QCD
AN INTRODUCTION TO QCD Frank Petriello Northwestern U. & ANL TASI 2013: The Higgs Boson and Beyond June 3-7, 2013 1 Outline We ll begin with motivation for the continued study of QCD, especially in the
Mass of Higgs Boson and Branching Ratios
Copyright 2015 by Sylwester Kornowski All rights reserved Mass of Higgs Boson and Branching Ratios Sylwester Kornowski Abstract: Within the Scale-Symmetric Theory we described mass spectrum of the composite
arxiv: v1 [nucl-ex] 7 Nov 2009
![arxiv: v1 [nucl-ex] 7 Nov 2009](/thumbs/81/84737718.jpg "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
Structure of Hadrons. gluons. gluons
gluons Gluons are the exchange particles which couple to the color charge. They carry simultaneously color and anticolor. What is the total number of gluons? According to SU 3, 3x3 color combinations form
arxiv: v1 [hep-ph] 11 Nov 2010
![arxiv: v1 [hep-ph] 11 Nov 2010](/thumbs/93/113458031.jpg "arxiv: v1 [hep-ph] 11 Nov 2010")
UHE neutrinos: higher twists, scales, saturation 1 arxiv:1011.2611v1 [hep-ph] 11 Nov 2010 R. Fiore 1 and V.R. Zoller 2 1 Dipartimento di Fisica, Università della Calabria and Istituto Nazionale di Fisica
(Bessel-)weighted asymmetries
QCD Evolution Workshop, Jefferson Lab 20-04-09 (Bessel-)weighted asymmetries Bernhard Musch (Jefferson Lab) presenting work in collaboration with Daniël Boer (University of Groningen), Leonard Gamberg
Physics at Hadron Colliders
Physics at Hadron Colliders Part 2 Standard Model Physics Test of Quantum Chromodynamics - Jet production - W/Z production - Production of Top quarks Precision measurements -W mass - Top-quark mass QCD
Recent developments on Perturbative QCD (Part I)
Recent developments on Perturbative QCD (Part I) Jianwei Qiu Iowa State University/Argonne National Laboratory 威海高能物理前沿暑期论坛 (Weihai Summer Topic Seminar On the Frontiers of High Energy Physics) 山东大学 -
arxiv:hep-ex/ v1 14 Sep 1999
ANL-HEP-CP-99-99 September, 1999 Short-Range and Long-Range Correlations in DIS at HERA 1 arxiv:hep-ex/99926v1 14 Sep 1999 S.V. Chekanov Argonne National Laboratory, 97 S.Cass Avenue, Argonne, IL 6439
Measurement of Charged Particle Spectra in Deep-Inelastic ep Scattering at HERA
Measurement of Charged Particle Spectra in Deep-Inelastic ep Scattering at HERA Alexander BYLINKIN ( Institute for Theoretical and Experimental Physics (ITEP), Moscow, Russia) E-mail: alexander.bylinkin@gmail.com
x(1 x) b 2 dζ 2 m 2 1 x dζ 2 d dζ 2 + V (ζ) ] + k2 + m2 2 1 x k2 + m2 1 dζ 2 + m2 1 x + m2 2 LF Kinetic Energy in momentum space Holographic Variable
![x(1 x) b 2 dζ 2 m 2 1 x dζ 2 d dζ 2 + V (ζ) ] + k2 + m2 2 1 x k2 + m2 1 dζ 2 + m2 1 x + m2 2 LF Kinetic Energy in momentum space Holographic Variable](/thumbs/85/91578395.jpg "x(1 x) b 2 dζ 2 m 2 1 x dζ 2 d dζ 2 + V (ζ) ] + k2 + m2 2 1 x k2 + m2 1 dζ 2 + m2 1 x + m2 2 LF Kinetic Energy in momentum space Holographic Variable")
[ d dζ + V (ζ) ] φ(ζ) = M φ(ζ) m 1 de Teramond, sjb x ζ = x(1 x) b m b (1 x) Holographic Variable d dζ k x(1 x) LF Kinetic Energy in momentum space Assume LFWF is a dynamical function of the quark-antiquark
QCD Thermodynamics at Intermediate Coupling. Nan Su. Frankfurt Institute for Advanced Studies
Nan Su p. 1 QCD Thermodynamics at Intermediate Coupling Nan Su Frankfurt Institute for Advanced Studies Collaborators: Jens O. Andersen & Lars E. Leganger (NTNU), Michael Strickland (Gettysburg) Phys.
Multiple Scattering with fully coherent scattering in pa and AA collisions
Journal of Physics: Conference Series PAPER OPEN ACCESS Multiple Scattering with fully coherent scattering in pa and AA collisions To cite this article: Haitham Zaraket 217 J. Phys.: Conf. Ser. 85 126
Study of Dimensional Scaling in Two- Body Photodisintegration of 3 He
Study of Dimensional Scaling in Two- Body Photodisintegration of 3 He Yordanka Ilieva CLAS Collaboration 2011 Fall Meeting of the APS Division on Nuclear Physics Meeting Michigan State University October
Experimental Aspects of Deep-Inelastic Scattering. Kinematics, Techniques and Detectors
1 Experimental Aspects of Deep-Inelastic Scattering Kinematics, Techniques and Detectors 2 Outline DIS Structure Function Measurements DIS Kinematics DIS Collider Detectors DIS process description Dirac
arxiv:nucl-th/ v1 11 Feb 2007
Thermalization of quark-gluon matter by 2-to-2 and 3-to-3 elastic scatterings arxiv:nucl-th/7236v Feb 27. Introduction Xiao-Ming Xu Department of Physics, Shanghai University, Baoshan, Shanghai 2444, China
Leading Baryons at HERA
Leading Baryons at HERA R.Sacchi Univ. of Torino and INFN On behalf of the ZEUS and H1 Introduction and models Data sets LB normalized cross sections in DIS and γp LN + dijets in γp Comparisons with models
PoS(LAT2005)205. B s meson excited states from the lattice. UKQCD Collaboration
from the lattice UKQCD Collaboration A. M. Green a, J. Ignatius b, M. Jahma c,, C. McNeile d and C. Michael d a University of Helsinki and Helsinki Institute of Physics, Helsinki, Finland b CSC - Scientific
Study of Inclusive Jets Production in ep Interactions at HERA
HEP 003 Europhysics Conference in Aachen, Germany Study of Inclusive Jets Production in ep Interactions at HERA Mónica Luisa Vázquez Acosta Universidad Autónoma de Madrid On behalf of the ZEUS & H1 Collaborations
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
Exclusive central diffractive production of scalar, pseudoscalar and vector mesons
EPJ Web of Conferences 8, 58 (24) DOI:.5/ epjconf/ 24 858 C Owned by the authors, published by EDP Sciences, 24 Exclusive central diffractive production of scalar, pseudoscalar and vector mesons P. Lebiedowicz,a,