K Nucleus Elastic Scattering and Momentum-Dependent Optical Potentials
|
|
- Leon Park
- 5 years ago
- Views:
Transcription
1 Commun. Theor. Phys. (Beijing, China) 41 (2004) pp c International Academic Publishers Vol. 41, No. 4, April 15, 2004 K Nucleus Elastic Scattering and Momentum-Dependent Optical Potentials ZHONG Xian-Hui, LI Lei, CAI Chong-Hai, and NING Ping-Zhi Institute of Physics, Nankai University, Tianjin , China (Received July 17, 2003) Abstract The K nucleus differential elastic scattering cross section for 12 C and 40 Ca at p k = 800 MeV/c is calculated with three momentum-dependent optical potential models, which are density-dependent, relativistic mean field, and hybrid model, respectively. It is found that the forms of momentum-dependent optical potential models proposed by us are reasonable and gain success in the calculations and the momentum-dependent hybrid model is the best model for the K nucleus elastic scattering. PACS numbers: Dr, Xh, Ev Key words: differential elastic scattering cross section, momentum-dependent optical potential, relativistic mean field 1 Introduction The kaon-nuclear physics is the focus of nuclear physicist, K -nucleus elastic and inelastic scattering and kaonic atoms are important objects of experimental and theoretical studies and many investigations have been done in the field. The status on the field kaon theoretically and experimentally has been summarized by Dover and Walker in Ref. [1]. On K -nucleus scattering, K ± elastic and inelastic scattering data at 800 MeV/c on targets of 12 C and 40 Ca have been accumulated at BNL Moby Dick spectrometer facility. [2] A similar but more extensive study of K elastic scattering is due to Rosenthal and Tabakin. [3] In Ref. [4] four forms of antikaon-nucleus optical potentials are used to calculate the K -nucleus elastic scattering at low and intermediate energies, whose theoretical result cannot fit the experimental data well. How to introduce a reasonable and simple form of optical potential to describe the K -nucleus elastic scattering is an important question for discussion and now, some information on the real part of the antikaon potential from all available sources for different antikaon momenta is collected in Ref. [5]. On kaonic atoms, the problem of kaonic atoms has regained interest recently. The phenomenological-densitydependent (DD) potential fitted to the kaon atomic data [6 8] yields a value for its real part in the nuclear [9] interior Re V opt ( 200 ± 20) MeV. Friedman et al. used K atomic data to test several models of the K nucleus interaction and concluded that the best fit antikaon optical potential is found to be strongly attractive with a depth of (180 ± 20) MeV at the nuclear interior, while the studies [10,11 13] of antikaon production from heavy ion collisions suggested an attractive potential of 80 MeV 120 MeV. Obviously there exists inconsistency in the results of the optical potential. Why do the calculations of different models have so many differences? Sibirtsev et al. proposed in Refs. [14] and [15] to attribute this discrepancy to the momentum dependence of the antikaon potential. They find that the K selfenergy at normal nuclear matter density turns out to be 200 MeV at zero momentum in line with kaon atomic data, however, it decreases rapidly in magnitude for higher momenta. Does there exist momentum dependence in antikaon potentials and can we use the optical potentials in line with kaon atomic data to extent to K -nucleus scattering? As the purpose of the present work, starting with the three optical models (DD, relativistic mean field (RMF), hybrid) discussed in Ref. [9], we attempt to investigate their momentum dependence in K nucleus elastic scattering and propose an appropriate form of momentum-dependent optical potential and then calculate the K C, K Ca elastic differential cross sections at the incoming antikaon momentum p k = 800 Mev/c with the momentum-dependent optical potentials and compare the different models (DD, RMF, hybrid) with each other to obtain the best momentum-dependent optical potential model for K nucleus elastic scattering. In Sec. 2 we briefly review the DD, RMF, and hybrid models, and we do some approximations for RMF model to simplify the calculations. The optical potentials of different models are discussed, the momentum-dependent optical potentials for DD, RMF, and hybrid models are introduced and the K nucleus differential elastic scattering cross sections for C and Ca at p k = 800 MeV/c are calculated in Sec. 3. The results of this work are summarized in Sec K -Nucleus Optical Potentials Now let us briefly review the interaction of K with The project supported by National Natural Science Foundation of China under Grant No , and the Research Fund for the Doctoral Program of Higher Education of China under Grant No
2 574 ZHONG Xian-Hui, LI Lei, CAI Chong-Hai, and NING Ping-Zhi Vol. 41 the nucleus and the optical potentials for DD, RMF, and hybrid models. The interaction of K with the nucleus is described by Klein Gordon (KG) equation of the form presented in Ref. [16] ( 2 + k 2 2ε(k)(V opt + V c ) + V 2 c )φ = 0, (1) where k and ε(k) are the K -nucleus wave number and reduced energy in the c.m. system respectively, and V c is the Coulomb interaction of the K with the nucleus. 2.1 DD Optical Potential The phenomenological DD potential of Friedman et al. [6,8] is given at threshold by ( 2µV opt (r) = 4π 1 + µ ) b(ρ)ρ(r), (2) m ( ρ(r) ) α b(ρ) = b 0 + B 0, (3) ρ(0) where µ is the K nucleus reduced mass, b 0 and B 0 are complex parameters determined from fits to the data, in this work b 0 = ( i0.62) fm, B 0 = (1.78 i0.22) fm, α = 0.31, m is the mass of the nucleon and ρ(r) = ρ n (r) + ρ p (r) is the nuclear density distribution normalized to the number of nucleons A and ρ 0 = 0.18 fm 3 is a typical central nuclear density. 2.2 RMF Optical Potential Antikaons are incorporated into the RMF model by using the Lagrangian density of the form [17] L k = µ Ψ µ Ψ m 2 k ΨΨ g σk m k ΨΨσ ig ωk ( Ψ µ Ψω µ Ψ µ Ψω µ ) + (g ωk ω µ ) 2 ΨΨ. (4) L k describes the interaction of the antikaon field ( Ψ) with the scalar (σ) and vector (ω) isoscalar fields. The corresponding equation of motion for K in a Z = N nucleus can be expressed by KG equation (1) with the real part of the optical potential given at threshold by ReV opt = m k µ ( 1 2 S V V 2 2m k ), (5) where S = g σk σ(r) and V = g ωk ω 0 (r) in terms of the mean-isoscalar fields. From Eq. (5) in the mean-field approximation we can obtain ReV opt = m k µ where ( 1 2 α σu (N) s + α ω U (N) v + (α ωu (N) v ) 2 2m k ), (6) U v (N) g 2 ωn = ρ v m 2, U (N) g 2 σn s = ρ s ω m 2, (7) σ ρ v and ρ s are the nuclear vector and scalar densities, respectively, evaluated at nuclear matter density. If we neglect the small components of the Dirac spinor, then ρ v (r) = ρ s (r). The nuclear vector density is equal to nuclear density distribution ρ(r) in fact. To simplify the calculation we neglect the difference of nuclear vector and scalar densities and take the phenomenological nuclear density distribution ρ(r). In the calculation of Re V opt, the nonlinear parametrization (NL1) due to Reinhard et al. [18] and equation (6) are used. The parameters are listed in Table 1. Table 1 The parameters for calculation. m g σn α σ = g σk /g Nσ 0.20 m σ g Nω α ω = g ωk /g ωn m ω m k α Hybrid Optical Potential In the hybrid model, the functional RMF from Eq. (6) is used in the nuclear interior for ReV opt, whereas the purely phenomenological DD from Eq. (2) is used in the surface of the nucleus and beyond. The radius R m where the two forms are matched to each other is chosen as R m R 1/2 fm, where ρ(r 1/2 ) = ρ 0 /2. 3 Calculations and Analysis Phenomenological nuclear density distribution ρ(r) is given by the 3-parameter Fermi (3pF) distribution [16] ρ(r) = ρ 0[1 + ω(r/r) 2 ] 1 + exp((r R)/a). (8) In this paper the parameters ω = , R = fm, a = fm for 12 C [19] and ω = 0, R = 1.28 A 1/ A 1/3 fm, a = 3/π fm for 40 Ca. [15] 3.1 DD and RMF Potentials at p k =0 and K Nucleus Elastic Scattering Figure 1 shows the K C and K Ca optical potentials calculated from Eq. (2) (DD model) and Eq. (6) (RMF model) respectively. From Fig. 1 we can see the two models have apparent differences. The DD real potential is larger than that of RMF model in the nuclear interior, while the RMF real potential is a little deeper than that of DD model in nuclear surface and beyond. The DD model yields that the depth of optical potential is about 227 MeV for K C and 220 MeV for K Ca at ρ 0. The RMF model yields that the depth of optical potential is about 196 MeV for K C and 190 MeV for K Ca at ρ 0. The result agrees with the calculations of Ref. [9]. It indicates that the approximations for RMF model in Subsec. 2.2 are reasonable. The imaginary potential yielded by DD model is about 60 MeV for K C and 55 MeV for K Ca at ρ 0. Figure 2 shows our calculations for the K nucleus elastic differential cross sections for 12 C and 40 Ca at lab K momenta 800 MeV/c. The black dotted line is the experimental data obtained from Ref. [2], the solid line shows
3 No. 4 K Nucleus Elastic Scattering and Momentum-Dependent Optical Potentials 575 the results of hybrid model and the dashed line is for DD model at p k = 0. From Fig. 2 we can easily find that neither DD nor hybrid model at p k = 0 can describe the elastic scattering at p k = 800 MeV/c. Fig. 1 The optical potentials of DD and RMF model for K C and K Ca in line with kaon atomic data. The solid line shows the real potentials of DD, the dotted line is for the imaginary potentials of DD model, the short dotted line is for the RMF real potentials. Fig. 2 The elastic differential cross section for K scattering from 12 C and 40 Ca at p k = 800 MeV/c. The experimental data are taken from Ref. [2]. The solid lines show the result from hybrid model, and the dashed lines indicate the result from DD model.
4 576 ZHONG Xian-Hui, LI Lei, CAI Chong-Hai, and NING Ping-Zhi Vol Momentum-Dependent Potentials and K Nucleus Elastic Scattering Why the DD or hybrid potentials at p k = 0 cannot be used to describe the K nucleus elastic scattering at antikaon momentum p k = 800 MeV/c? We note that the potentials are obtained by fitting the kaon atomic data at p k = 0, however, the K momentum is 800 MeV/c in our problem. Do the optical potentials have momentum dependence in K nucleus elastic scattering as suggested by Sibirtsew et al.? [14,15] We propose the optical potentials have momentum dependence with the following forms given by Re U(ρ(r), p k ) = f(p k )Re U(ρ(r)), (9) Im U(ρ(r), p k ) = f (p k )Im U(ρ(r)), (10) where f(p k ) and f (p k ) are the functions of p k, Re U(ρ(r), p k ) is the real part and Im U(ρ(r), p k ) is the imaginary part of the momentum-dependent potentials. Re U(ρ(r)) is the real and Im U(ρ(r)) is the imaginary part of optical potentials at p k =0. It is interesting that another form of real momentum-dependent potential for K nucleus was given by Ref. [14] Re U(ρ B, p k ) ρ B ( exp( 2.5p k )), (11) where ρ B is the baryon density. Comparing Eq. (11) with Eq. (9), we can get f(p k ) exp( 2.5p k) (12) In our present work the K momentum p k = 800 MeV/c, so f(p k=800 ) = c 1 and f (p k=800 ) = c 2 are constants. To define c 1 and c 2, we use the hybrid model to fit the experimental data of K C and K Ca elastic differential cross section at p k = 800 MeV/c. If we let c 1 1/4.1 and c 2 1/1.8 the experimental data for K C elastic scattering at p k = 800 MeV/c can be fitted fairly well. We also get the best value c 1 1/5 and c 2 1/1.8 for K Ca elastic scattering at p k = 800 MeV/c. The calculations are all shown in Fig. 3. From the difference of c 1 for K C and K Ca, it is seen that c 1 is somewhat dependent on the different nucleus. According to Eq. (12), c is very close to c 1 1/4.1 for K C and c 1 1/5 for K Ca. Fig. 3 The elastic differential cross section for K scattering from 12 C and 40 Ca at p k = 800 MeV/c. The experimental data is shown by black dots. The lines show calculations from DD, hybrid, and RMF models, which are denoted in the figure respectively. In Fig. 3, it shows that there is only a little difference from the experimental data for K C. For K Ca except that there exists some obvious difference between the calculations and the experimental data in the region of 14 θ c.m. 20 and θ c.m. 25, in the other region, the calculations fit fairly well with the experimental data. In summary, within the experimental uncertainties our result is in agreement with the K-nucleus elastic scattering experimental data fairy well. From above analysis, it indicates that we have achieved success in describing the K C and K Ca elastic scattering with the momentum-dependent optical potentials at p k = 800 MeV/c. By far, we have developed a new form of momentum-dependent optical potential to describe K- nucleus elastic scattering. The success greatly supports the suggestion of Sibirtsew et al. [14,15] that the K nucleus optical potentials have strong momentum-dependence and confirms that the forms of momentum- dependent optical potentials assumed by us in Eqs. (8) and (9) are reasonable. In the above discussion, the momentum-dependent factors c 1 and c 2 are defined, that is, the momentum dependent optical potentials are defined at p k = 800 MeV/c. Then we calculate the K C and K Ca elastic scattering differential cross sections with the other two (DD,RMF) momentum-dependent optical potential models at p k = 800 MeV/c. Together with the result of hybrid model, the results of DD and RMF model are shown in Fig. 3.
5 No. 4 K Nucleus Elastic Scattering and Momentum-Dependent Optical Potentials 577 Comparing the results of above three models with the experimental data, it is easily seen that the RMF model is worse than the other two models, the hybrid model is better, but the difference is very small with DD model. In summary, the momentum-dependent hybrid model is better than the other two models in describing K nucleus elastic scattering, this agrees with the conclusion of Friedman et al. in Ref. [9]. Why do the momentum-dependent DD and hybrid model describe the K nucleus elastic scattering better than the RMF model? In fact, the three models have the same imaginary optical potential given by DD model, the only difference is in the real part of the optical potential. We note that the DD and hybrid models have the same optical potentials in the surface of nucleus and beyond, while the hybrid model and RMF models have the same optical potentials in the nuclear interior. We can affirm that the most differences of the calculation result for the three models come from the differences of the optical potential in the surface of nucleus and beyond. It indicates that K is sensitive to the optical potentials only in the nuclear surface and beyond. Since the momentumdependent hybrid model is better than the other two models, we conclude that the DD optical potential model in the surface of nucleus is better than the RMF model, while the RMF optical potential model in the nuclear interior is better than the DD model. The K C and K Ca momentum-dependent optical potentials at p k = 800 MeV/c are shown in Fig. 4 respectively. The dotted line presents the real DD potential, the short dotted line is the real hybrid potential, the dashed line shows the RMF potential, and the solid line is the imaginary potential. From Fig. 4 we can see the momentum-dependent optical potential of DD model is about 56 MeV for K C and 45 MeV for K Ca and the momentum-dependent optical potential of RMF model is about 50 MeV for K C and 38 MeV for K Ca at the normal nuclear density ρ 0. The imaginary optical potential is about 32 MeV for K C and 35 MeV for K Ca at the normal nuclear density ρ 0. From hybrid model in Fig. 3, we can easily see the DD real potentials region in the surface of nucleus, as we know from the previous analysis, K is sensitive in this region, thus, we can estimate K C interaction region is about 2.2 fm < r < 5 fm and K Ca interaction region is about 3.8 fm < r < 8 fm at p k = 800 MeV/c. Fig. 4 The momentum-dependent potentials for K scattering on 12 C and 40 Ca at p k = 800 MeV/c. The lines show calculations from DD, hybrid, and RMF models. 4 Summary In this paper we use the DD and hybrid model at p k = 0 calculate the K nucleus differential elastic scattering cross section for C and Ca at p k = 800 MeV/c and find neither DD nor hybrid model can describe the elastic scattering at all. Then, we consider the momentum-dependence of optical potentials and propose a form of momentum dependent optical potentials starting with the DD, RMF, and hybrid models at p k = 0 to calculate the K nucleus differential elastic scattering cross sections for C and Ca at p k = 800 MeV/c and achieve success. The success indicates that we have developed a new momentum-dependent optical potential model to describe K nucleus scattering and confirms that there exists strong momentum-dependence for K nucleus optical potentials in elastic scattering. We compare the result of different models with each other and find the momentum-dependent hybrid model is still the best model in describing the elastic scattering at p k = 800 MeV/c and agrees with the conclusion in Ref. [9]. We also obtain the momentum-dependent optical potentials for K C and K Ca and find that the real potential is about MeV, which is in agreement with the result of Ref. [14] and the inmedium potentials evaluated from the measurement of kaonic atoms. [6,7] The imaginary potential is about 35 MeV at ρ 0 at p k = 800 MeV/c. From the analysis, we estimate
6 578 ZHONG Xian-Hui, LI Lei, CAI Chong-Hai, and NING Ping-Zhi Vol. 41 K C interaction region is about 2.2 fm < r < 5 fm and K Ca interaction region is about 3.8 fm < r < 8 fm at p k = 800 MeV/c. It must be noted that, because K is not sensitive to the optical potential in nuclear interior, the depth of the above optical potentials is not very trusty. References [1] Carl B. Dover and George E. Walker, Phys. Rep. 89 (1982) 1. [2] D. Marlow, et al., Phys. Rev. C25 (1982) [3] A.S. Rosenthal and F. Tabakin, Phys. Rev. C22 (1980) 711. [4] C. Garcia-Recio and A.J. Melgarejo, nucl-th/ [5] A. Sibirtsev and W. Cassing, nucl-th/ [6] E. Friedman, A. Gal, and C.J. Batty, Phys. Lett. B308 (1993) 6. [7] C.J. Batty, E. Friedman and A. Gal, Phys. Rep. 287 (1997) 385. [8] E. Friedman, A. Gal, and C.J. Batty, Nucl. Phys. A579 (1994) 518. [9] E. Friedman, A. Gal, and J. Mares, Phys. Rev. C60 (1999) [10] G.Q. Li, C.M. Ko, and X.S. Fang, Phys. Lett. B ) 149. [11] W. Cassing, et al., Nucl. Phys. A614 (1997) 415. [12] E.L. Bratkovskaya, W. Cassing, and U. Mosel, Nucl. Phys. A622 (1997) 593; Phys. Lett. B424 (1998) 224. [13] W. Cassing and E.L. Bratkovskaya, Phys. Rep. 308 (1999) 65. [14] A. Sibirtsev and W. Cassing, Nucl. Phys. A641 (1998) 476. [15] A. Sibirtsev and W. Cassing, nucl-th/ [16] C.J. Batty, E. Friedman, and A. Gal, Phys. Rep. 287 (1997) 385. [17] J. Schaffner, A. Gal, and I.N. Mishustin, et al., Phys. Lett. B334 (1994) 268; J. Schaffner and I.N. Mishustin, Phys. Rev. C53 (1996) [18] P.G. Reinhard, M. Rufa, and J. Friedrich, Z. Phys. A625 (1997) 272. [19] H. de Vries and C.W. de Jager, et al., At. Data Nucl. Data Tables 36 (1987) 495.
Chiral Model in Nuclear Medium and Hypernuclear Production
WDS'10 Proceedings of ontributed Papers, Part III, 2 6, 2010. ISBN 978-80-7378-141-5 MATFYZPRESS hiral Model in Nuclear Medium and Hypernuclear Production V. Krejčiřík harles University, Faculty of Mathematics
More informationarxiv:nucl-th/ v1 6 May 1995
arxiv:nucl-th/9505003v1 6 May 1995 Constraints on Σ Nucleus Dynamics from Dirac Phenomenology of Σ Atoms J. Mareš a,b, E. Friedman a,c, A. Gal c and B.K. Jennings a a TRIUMF, 4004 Wesbrook Mall, Vancouver,
More informationarxiv:nucl-th/ v1 26 Jan 2005
In-medium properties of Θ + in symmetric nuclear matter X. H. Zhong, P. Z. Ning Department of Physics, Nankai University, Tianjin 371, P. R. China arxiv:nucl-th/5164v1 6 Jan 5 March 5, 8 Abstract The properties
More informationInteraction of antiprotons with nuclei
Interaction of antiprotons with nuclei Jaroslava Hrtánková Nuclear Physics Institute, eº, Czech Republic (Nucl. Phys. A 945 (2016) 197) LEAP conference, Kanazawa, March 6-11, 2016 Introduction 2 Introduction
More informationShape of Lambda Hypernuclei within the Relativistic Mean-Field Approach
Universities Research Journal 2011, Vol. 4, No. 4 Shape of Lambda Hypernuclei within the Relativistic Mean-Field Approach Myaing Thi Win 1 and Kouichi Hagino 2 Abstract Self-consistent mean-field theory
More informationTransport studies of heavy ion collisions and antiproton-induced reactions on nuclei at FAIR energies
Transport studies of heavy ion collisions and antiproton-induced reactions on nuclei at FAIR energies A.B. Larionov Outline: 1) Motivation. 2) The GiBUU model: kinetic equations with relativistic mean
More informationBound states of anti-nucleons in finite nuclei
Bound states of anti-nucleons in finite nuclei G. Mao, H. Stöcker and W. Greiner Institut für Theoretische Physik der J. W. Goethe-Universität Postfach 11 19 32, D-60054 Frankfurt am Main, Germany Abstract
More informationCalculations of kaonic nuclei based on chiral meson-baryon coupled channel interaction models
Calculations of kaonic nuclei based on chiral meson-baryon coupled channel interaction models J. Hrtánková, J. Mare² Nuclear Physics Institute, eº, Czech Republic 55th International Winter Meeting on Nuclear
More informationLifetime of Antibaryon Bound in Finite Nuclei
Commun. Theor. Phys. (Beijing, China) 53 (2010) pp. 128 132 c Chinese Physical Society and IOP Publishing Ltd Vol. 53, No. 1, January 15, 2010 Lifetime of Antibaryon Bound in Finite Nuclei CHEN Xi (í ),
More informationAntikaon Production in Proton-Nucleus Reactions and the K properties in nuclear matter
Antikaon Production in Proton-Nucleus Reactions and the K properties in nuclear matter A. Sibirtsev and W. Cassing Institut für Theoretische Physik, Universität Giessen D-35392 Giessen, Germany arxiv:nucl-th/9805021v1
More informationNuclei with Antikaons
Nuclei with Antikaons Daniel Gazda Nuclear Physics Institute, Řež/Prague Czech Technical University in Prague Czech Republic together with A. Cieplý, E. Friedman, A. Gal, J. Mareš INT Program 12-3, Seattle,
More informationEffect of Λ(1405) on structure of multi-antikaonic nuclei
12th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, (May 31-June 4, 2010, College of William and Mary, Williamsburg, Virginia) Session 2B Effect of Λ(1405) on structure
More informationPAIRING PROPERTIES OF SYMMETRIC NUCLEAR MATTER IN RELATIVISTIC MEAN FIELD THEORY
International Journal of Modern Physics E Vol. 17, No. 8 (2008) 1441 1452 c World Scientific Publishing Company PAIRING PROPERTIES OF SYMMETRIC NUCLEAR MATTER IN RELATIVISTIC MEAN FIELD THEORY J. LI, B.
More informationSpectrum of kaonic atom and kaon-nucleus interaction revisited
Spectrum of kaonic atom and kaon-nucleus interaction revisited Yutaro IIZAWA 1,2 Daisuke JIDO 2,1 Natsumi IKENO 3 Junko YAMAGATA-SEKIHARA 4 Satoru HIRENZAKI 5 C23@ELPH 1 Tokyo Metropolitan Univ. 2 Tokyo
More informationProbing surface diffuseness of nucleus-nucleus potential with quasielastic scattering at deep sub-barrier energies
PHYSICAL REVIEW C 73, 034607 (2006) Probing surface diffuseness of nucleus-nucleus potential with quasielastic scattering at deep sub-barrier energies K. Washiyama, K. Hagino, and M. Dasgupta 2 Department
More informationMomentum Distribution of a Fragment and Nucleon Removal Cross Section in the Reaction of Halo Nuclei
Commun. Theor. Phys. Beijing, China) 40 2003) pp. 693 698 c International Academic Publishers Vol. 40, No. 6, December 5, 2003 Momentum Distribution of a ragment and Nucleon Removal Cross Section in the
More informationTheoretical Analysis of Neutron Double-Differential Cross Section of n + 19 F at 14.2 MeV
Commun. Theor. Phys. (Beijing, China) 47 (2007) pp. 102 106 c International Academic Publishers Vol. 47, No. 1, January 15, 2007 Theoretical Analysis of Neutron Double-Differential Cross Section of n +
More informationThe surface gravitational redshift of the neutron star PSR B
Bull. Astr. Soc. India (2013) 41, 291 298 The surface gravitational redshift of the neutron star PSR B2303+46 Xian-Feng Zhao 1 and Huan-Yu Jia 2 1 College of Mechanical and Electronic Engineering, Chuzhou
More informationarxiv:nucl-th/ v3 24 Nov 2002
Relativistic mean-field approximation with density-dependent screening meson masses in nuclear matter Bao-Xi Sun,2, Xiao-Fu Lu 2,3,6, Peng-ian Shen 6,,2, En-Guang Zhao 2,4,5,6 Institute of High Energy
More informationarxiv:nucl-th/ v1 27 Nov 2002
1 arxiv:nucl-th/21185v1 27 Nov 22 Medium effects to the N(1535) resonance and η mesic nuclei D. Jido a, H. Nagahiro b and S. Hirenzaki b a Research Center for Nuclear Physics, Osaka University, Ibaraki,
More informationInterplay of kaon condensation and hyperons in dense matter EOS
NPCSM mini-workshop (YITP, Kyoto Univ., Kyoto, October 28(Fri), 2016) Interplay of kaon condensation and hyperons in dense matter EOS Takumi Muto (Chiba Inst. Tech.) collaborators : Toshiki Maruyama (JAEA)
More informationTheoretical Study on Alpha-Decay Chains of
Commun. Theor. Phys. 55 (2011) 495 500 Vol. 55, No. 3, March 15, 2011 Theoretical Study on Alpha-Decay Chains of 294 293 177117 and 176 117 SHENG Zong-Qiang (âñö) 1, and REN Zhong-Zhou ( ) 1,2,3 1 School
More informationAntibaryons in massive heavy ion reactions: Importance of potentials
Antibaryons in massive heavy ion reactions: Importance of potentials C. Spieles, M. Bleicher, A. Jahns, R. Mattiello, H. Sorge, H. Stöcker, W. Greiner Institut für Theoretische Physik, J. W. Goethe Universität,
More informationMultikaonic (hyper)nuclei
Multikaonic (hyper)nuclei J. Mareš Nuclear Physics Institute, Rez/Prague Γ K - (MeV) 200 150 100 MFG (πσ,ρ) SGM DISTO FINUDA05? 50 WG08 AY02 YS07 OBELIX GFGM (πσ,πλ,ρ 2 ) DHW08 FINUDA07 WG08 OBELIX 0 0
More informationIntermediate Energy Pion- 20 Ne Elastic Scattering in the α+ 16 O Model of 20 Ne
Commun. Theor. Phys. 60 (2013) 588 592 Vol. 60, No. 5, November 15, 2013 Intermediate Energy Pion- 20 Ne Elastic Scattering in the α+ 16 O Model of 20 Ne YANG Yong-Xu ( ), 1, Ong Piet-Tjing, 1 and LI Qing-Run
More informationCalculations of the Pion-Nucleus Inelastic Cross Sections Using the Microscopic Optical Potential
NUCLEAR THEORY, Vol. 32 (2013) eds. A.I. Georgieva, N. Minkov, Heron Press, Sofia Calculations of the Pion-Nucleus Inelastic Cross Sections Using the Microscopic Optical Potential K.V. Lukyanov 1, V.K.
More informationInvestigations on Nuclei near Z = 82 in Relativistic Mean Field Theory with FSUGold
Plasma Science and Technology, Vol.14, No.6, Jun. 2012 Investigations on Nuclei near Z = 82 in Relativistic Mean Field Theory with FSUGold SHENG Zongqiang ( ) 1,2, REN Zhongzhou ( ) 1,2,3 1 Department
More informationYoshiharu Hirabayashi Information Initiative Center, Hokkaido University, Sapporo, , Japan. (Dated: September 26, 2017) Abstract
Optimal Fermi-averaging t-matrix for (π +,K + ) reactions in Λ quasi-free region Toru Harada Research Center for Physics and Mathematics, Osaka Electro-Communication University, Neyagawa, Osaka, 572-8530,
More informationCyclotron Institute and Physics Department. Texas A&M University, College Station, Texas Abstract
Subthreshold kaon production and the nuclear equation of state G. Q. Li and C. M. Ko Cyclotron Institute and Physics Department Texas A&M University, College Station, Texas 77843 Abstract We reexamine
More informationTotal Nuclear Reaction Cross Section Induced by Halo Nuclei and Stable Nuclei
Commun. Theor. Phys. (Beijing, China) 40 (2003) pp. 577 584 c International Academic Publishers Vol. 40, No. 5, November 15, 2003 Total Nuclear Reaction Cross Section Induced by Halo Nuclei and Stable
More informationKaon Absorption from Kaonic Atoms and Formation Spectra of Kaonic Nuclei
EPJ manuscript No. (will be inserted by the editor) Kaon Absorption from Kaonic Atoms and Formation Spectra of Kaonic Nuclei Junko Yamagata and Satoru Hirenzaki arxiv:nucl-th/0612036v1 9 Dec 2006 Department
More informationarxiv: v2 [nucl-th] 5 May 2008
Multi- K nuclei and kaon condensation D. Gazda, 1, E. Friedman, 2, A. Gal, 2, and J. Mareš 1, 1 Nuclear Physics Institute, 25068 Řež, Czech Republic 2 Racah Institute of Physics, The Hebrew University,
More informationarxiv: v3 [nucl-th] 28 Aug 2013
η-nuclear bound states revisited E. Friedman a, A. Gal a,, J. Mareš b arxiv:1304.6558v3 [nucl-th] 28 Aug 2013 Abstract a Racah Institute of Physics, The Hebrew University, 91904 Jerusalem, Israel b Nuclear
More informationE438: Study of Σ-Nucleus Potential by the (π -, K + ) Reaction on Heavy Nuclei
KEK-PS External Review, Jan 22-23, 2008 Seminar Hall, Bldg.4 KEK E438: Study of Σ-Nucleus Potential by the (π -, K + ) Reaction on Heavy Nuclei Hiroyuki Noumi RCNP, Osaka-U for E438 1 Precision Hypernuclear
More informationarxiv: v1 [nucl-th] 17 Apr 2010
JLAB-THY-1-1165 Hypernuclei in the quark-meson coupling model K. Tsushima and P. A. M. Guichon Thomas Jefferson Lab., 12 Jefferson Ave., ewport ews, VA 2 366, USA SPh-DAPIA, CEA Saclay, F91191 Gif sur
More informationNuclei with strangeness. (From hypernuclei to kaonic nuclei) Nuclear Physics Institute, Rez/Prague
Nuclei with strangeness. (From hypernuclei to kaonic nuclei) J. Mareš Nuclear Physics Institute, Rez/Prague RINGFEST - Advances in Nuclear Many-Body Physics Primošten, Croatia, 6 10 June, 2011 Hypernuclei
More informationKaonic nuclei excited by the in-flight (K -,n) reaction. T. Kishimoto Osaka University
Kaonic nuclei excited by the in-flight (K -,n) reaction T. Kishimoto Osaka University Neutron Stars No Strangeness ~2 Solar mass Strangeness ~1.5 Solar mass ρ ~ 3-5 ρ 0 Nuclear matter with hyperons Kaon
More information8 September Dear Paul...
EXA 2011 Vienna PK Symposium 8 September 2011 Dear Paul... DEEPLY BOUND STATES of PIONIC ATOMS Experiment (GSI): K. Suzuki et al. Phys. Rev. Lett. 92 (2004) 072302 Theory: Energy Dependent Pion-Nucleus
More informationProton Elastic Scattering and Neutron Distribution of Unstable Nuclei
Proton Elastic Scattering and Neutron Distribution of Unstable Nuclei arxiv:nucl-th/9811051v1 14 Nov 1998 K.Kaki Department of Physics, Shizuoka University, Shizuoka 422-8529, Japan tel:+81-54-238-4744,
More informationEquations of State of Relativistic Mean-Field Models with Different Parametrisations of Density Dependent Couplings
Equations of State of Relativistic Mean-Field Models with Different Parametrisations of Density Dependent Couplings Stefan Typel 100 7th International Symposium on Nuclear Symmetry Energy GANIL, Caen,
More informationAntikaon production in nucleon-nucleon reactions near threshold
Antikaon production in nucleon-nucleon reactions near threshold arxiv:nucl-th/9612040v1 16 Dec 1996 A. Sibirtsev, W. Cassing, and C. M. Ko Institut für Theoretische Physik, Universität Giessen D-35392
More informationPoS(Confinement8)107. Strangeness and charm at FAIR
FIAS. Goethe-Universität Frankfurt am Main, Ruth-Moufang-Str. 1, 6438 Frankfurt am Main, Germany and Theory Group, KVI, University of Groningen, Zernikelaan, 9747 AA Groningen, The Netherlands E-mail:
More informationUser Note for Relativistic EOS Table
User Note for Relativistic EOS Table (EOS3: 2010-version, with nucleons and Λ hyperons) H. Shen a1, H. Toki b2, K. Oyamatsu c3, and K. Sumiyoshi d4 a Department of Physics, Nankai University, Tianjin 300071,
More informationT. GAITANOS, H.H. WOLTER Sektion Physik der Universität München Am Coulombwall 1, D Garching, Germany
NON-EQUILIBRIUM AND COLLECTIVE FLOW EFFECTS IN RELATIVISTIC HEAVY ION COLLISIONS T. GAITANOS, H.H. WOLTER Sektion Physik der Universität München Am Coulombwall 1, D-85748 Garching, Germany AND C. FUCHS
More informationNucleus-Nucleus Scattering Based on a Modified Glauber Theory
Commun. Theor. Phys. (Beijing, China) 36 (2001) pp. 313 320 c International Academic Publishers Vol. 36, No. 3, September 15, 2001 Nucleus-Nucleus Scattering Based on a Modified Glauber Theory ZHAO Yao-Lin,
More informationarxiv:nucl-th/ v2 12 Jan 2005
Neutron stars with isovector scalar correlations B. Liu 1,2, H. Guo 1,3, M. Di Toro 4, V. Greco 4,5 1 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 73, China
More informationDI-NEUTRON CORRELATIONS IN LOW-DENSITY NUCLEAR MATTER
1 DI-NEUTRON CORRELATIONS IN LOW-DENSITY NUCLEAR MATTER B. Y. SUN School of Nuclear Science and Technology, Lanzhou University, Lanzhou, 730000, People s Republic of China E-mail: sunby@lzu.edu.cn Based
More informationClusters in Dense Matter and the Equation of State
Clusters in Dense Matter and the Equation of State Excellence Cluster Universe, Technische Universität München GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt in collaboration with Gerd Röpke
More informationarxiv:hep-ph/ v1 10 Aug 2005
Extraction of the K K isovector scattering length from pp dk + K0 data near threshold arxiv:hep-ph/0508118v1 10 Aug 2005 M. Büscher 1, A. Dzyuba 2, V. Kleber 1, S. Krewald 1, R. H. Lemmer 1, 3, and F.
More informationStatistical Behaviors of Quantum Spectra in Superheavy Nuclei
Commun. Theor. Phys. (Beijing, China) 39 (2003) pp. 597 602 c International Academic Publishers Vol. 39, No. 5, May 15, 2003 Statistical Behaviors of Quantum Spectra in Superheavy Nuclei WU Xi-Zhen, 1,4
More informationKAON-NUCLEON AND ANTI-KAON-NUCLEON INTERACTIONS IN A CONSTITUENT QUARK MODEL
MENU 7 11th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon September1-14, 7 IKP, Forschungzentrum Jülich, Germany KAON-NUCLEON AND ANTI-KAON-NUCLEON INTERACTIONS IN
More informationProbing dense baryonic matter with kaons: The nuclear equation-of-state In medium properties of strange mesons
Kaon production in nucleus-nucleus collisions XI International Conference on Hypernuclear and Strange Particle Physics, October 10 14, Mainz, Germany Peter Senger (GSI) Probing dense baryonic matter with
More informationRevista Mexicana de Física Sociedad Mexicana de Física, A.C. ISSN (Versión impresa): X MÉXICO
Revista Mexicana de Física Sociedad Mexicana de Física, A.C. rmf@smf2.fciencias.unam.mx ISSN (Versión impresa): 0035-001X MÉXICO 2008 R. Arceo NUCLEAR STRUCTURE FOR THE ISOTOPES 3HE AND 4HE IN K+N SCATTERING
More informationCentrifugal Barrier Effects and Determination of Interaction Radius
Commun. Theor. Phys. 61 (2014) 89 94 Vol. 61, No. 1, January 1, 2014 Centrifugal Barrier Effects and Determination of Interaction Radius WU Ning ( Û) Institute of High Energy Physics, P.O. Box 918-1, Beijing
More informationLisheng Geng. Ground state properties of finite nuclei in the relativistic mean field model
Ground state properties of finite nuclei in the relativistic mean field model Lisheng Geng Research Center for Nuclear Physics, Osaka University School of Physics, Beijing University Long-time collaborators
More informationImpact of the in-medium conservation of energy on the π /π + multiplicity ratio
Impact of the in-medium conservation of energy on the π /π + multiplicity ratio M.D. Cozma IFIN-HH, Reactorului 30, 077125 Mǎgurele-Bucharest, Romania Abstract An upgraded version of the isospin dependent
More informationReaction Cross Sections and Nucleon Density Distributions of Light Nuclei. Maya Takechi
Reaction Cross Sections and Nucleon Density Distributions of Light Nuclei Maya Takechi Collaborators Introduction Sizes of Unstable Nuclei? ~ Measurements of σ R ~ σ R σ tot σ el ρ r ρ Glauber Calculation
More informationarxiv: v1 [nucl-th] 11 Feb 2015
Eta-nuclear interaction: optical vs. coupled channels J.A. Niskanen Helsinki Institute of Physics, PO Box 64, FIN-00014 University of Helsinki, Finland (Dated: February 17, 2015) Abstract The existence
More informationEta-nuclear interaction: optical vs. coupled channels. Abstract
Eta-nuclear interaction: optical vs. coupled channels J.A. Niskanen Helsinki Institute of Physics, PO Box 64, FIN-00014 University of Helsinki, Finland (Dated: November 26, 2015) Abstract The existence
More informationRelativistic EOS of Supernova Matter with Hyperons 1
Relativistic EOS of Supernova Matter with Hyperons 1 A. Ohnishi, C. Ishizuka, K. Tsubakihara, H. Maekawa, H. Matsumiya, K. Sumiyoshi and S. Yamada Department of Physics, Faculty of Science Hokkaido University,
More informationPhysics of Finite and Infinite Nuclear Systems Phys. 477 (542)
Physics of Finite and Infinite Nuclear Systems Phys. 477 (542) Class: Tu & Th from 11:30 am to 1:00 pm (Compton 241 mostly) Extra hour: Mo 4 pm make-up hour for planned trips to Tokyo, San Francisco, and
More informationK Condensation in Neutron Star Matter with Quartet
Commun. Theor. Phys. (eijing, China) 54 (2010) pp. 500 508 c Chinese Physical Society and IOP Publishing Ltd Vol. 54, No. 3, September 15, 2010 K Condensation in Neutron Star Matter with Quartet DING Wen-o
More informationCharmed mesons in nuclear matter
Charmed mesons in nuclear matter L. Tolos, D. Gamermann, C. Garcia-Recio, E. Oset, R. Molina, J. Nieves and A. Ramos Theory Group. KVI. University of Groningen, Zernikelaan 5, 9747 AA Groningen, The Netherlands
More informationSub-barrier fusion enhancement due to neutron transfer
Sub-barrier fusion enhancement due to neutron transfer V. I. Zagrebaev Flerov Laboratory of Nuclear Reaction, JINR, Dubna, Moscow Region, Russia Received 6 March 2003; published 25 June 2003 From the analysis
More informationFeynman diagrams in nuclear physics at low and intermediate energies
«Избранные вопросы теоретической физики и астрофизики». Дубна: ОИЯИ, 2003. С. 99 104. Feynman diagrams in nuclear physics at low and intermediate energies L. D. Blokhintsev Skobeltsyn Institute of Nuclear
More informationAntiproton-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 informationWeak interactions. Chapter 7
Chapter 7 Weak interactions As already discussed, weak interactions are responsible for many processes which involve the transformation of particles from one type to another. Weak interactions cause nuclear
More informationMedium effects in direct reactions
Journal of Physics: Conference Series Medium effects in direct reactions To cite this article: M Karakoc and C Bertulani 2013 J. Phys.: Conf. Ser. 420 012074 View the article online for updates and enhancements.
More informationω-nucleus bound states in the Walecka model
ADP-98-35/T308 ω-nucleus bound states in the Walecka model K. Saito Physics Division, Tohoku College of Pharmacy Sendai 981-8558, Japan K. Tsushima,D.H.Lu and A.W. Thomas Special Research Center for the
More informationarxiv:nucl-th/ v1 3 May 2006
arxiv:nucl-th/0605009v1 3 May 2006 Deficiency of Spin Orbit Interaction in Relativistic Mean Field Theory A. Bhagwat a, R. Wyss a, W. Satu la ab, J. Meng c and Y. K. Gambhir d a Royal Institute of Technology
More informationCoulomb Corrections in Quasielastic Scattering off Heavy Nuclei
Coulomb Corrections in Quasielastic Scattering off Heavy Nuclei Andreas Aste Department of Physics and Astronomy Theory Division University of Basel, Switzerland Workshop on Precision ElectroWeak Interactions
More informationDensity Dependence of Parity Violation in Electron Quasi-elastic Scattering
Journal of the Korean Physical Society, Vol. 66, No. 12, June 2015, pp. 1936 1941 Brief Reports Density Dependence of Parity Violation in Electron Quasi-elastic Scattering K. S. Kim School of Liberal Arts
More informationarxiv:nucl-th/ v1 14 Dec 2000
TUM/T39--23 Photoproduction of quasi-bound ω mesons in nuclei arxiv:nucl-th/1252v1 14 Dec 2 E. Marco and W. Weise Physik-Department, Technische Universität München, D-85747 Garching, Germany November 2,
More informationarxiv:nucl-th/ v1 28 Aug 2001
A meson exchange model for the Y N interaction J. Haidenbauer, W. Melnitchouk and J. Speth arxiv:nucl-th/1862 v1 28 Aug 1 Forschungszentrum Jülich, IKP, D-52425 Jülich, Germany Jefferson Lab, 1 Jefferson
More informationEffects of Neutron Spatial Distributions on Atomic Parity Nonconservation in Cesium.
Effects of Neutron Spatial Distributions on Atomic Parity Nonconservation in Cesium. S. J. Pollock and M. C. Welliver Dep t of Physics, University of Colorado, Boulder CO 80309 (July 12, 1999) We have
More informationAnalysis of the Isgur-Wise function of the Λ b Λ c transition with light-cone QCD sum rules
Analysis of the Isgur-Wise function of the Λ b Λ c transition with light-cone QCD sum rules Zhi-Gang Wang 1 Department of Physics, North China Electric Power University, Baoding 713, P. R. China arxiv:96.426v1
More informationStatic and covariant meson-exchange interactions in nuclear matter
Workshop on Relativistic Aspects of Two- and Three-body Systems in Nuclear Physics - ECT* - 19-23/10/2009 Static and covariant meson-exchange interactions in nuclear matter Brett V. Carlson Instituto Tecnológico
More informationParticle Physics. Michaelmas Term 2011 Prof Mark Thomson. Handout 5 : Electron-Proton Elastic Scattering. Electron-Proton Scattering
Particle Physics Michaelmas Term 2011 Prof Mark Thomson Handout 5 : Electron-Proton Elastic Scattering Prof. M.A. Thomson Michaelmas 2011 149 i.e. the QED part of ( q q) Electron-Proton Scattering In this
More informationLABORATORI NAZIONALI DI FRASCATI SIS-Pubblicazioni
LABORATORI NAZIONALI DI FRASCATI SIS-Pubblicazioni LNF-06/22 (P) 29 August 2006 HADRON PROPERTIES IN THE NUCLEAR MEDIUM THE PANDA PROGRAM WITH pa REACTIONS Olaf N. Hartmann INFN, Laboratori Nazionali di
More information74 JIN Meng and LI Jia-Rong Vol. 39 From the path integral principle, the partition function can be written in the following form [13] = [d ][d ][d][d
Commun. Theor. Phys. (Beijing, China) 39 (23) pp. 73{77 c International Academic Publishers Vol. 39, No. 1, January 15, 23 Inuence of Vacuum Eect on Behavior of Hot/Dense Nulcear Matter JIN Meng y and
More informationDIFFUSENESS OF WOODS SAXON POTENTIAL AND SUB-BARRIER FUSION
Modern Physics Letters A Vol. 26, No. 28 (20) 229 234 c World Scientific Publishing Company DOI: 0.42/S0277303654 DIFFUSENESS OF WOODS SAXON POTENTIAL AND SUB-BARRIER FUSION MANJEET SINGH, SUKHVINDER S.
More informationIsoscalar dipole mode in relativistic random phase approximation
Isoscalar dipole mode in relativistic random phase approximation arxiv:nucl-th/0003041v1 20 Mar 2000 D. Vretenar 1,2, A. Wandelt 1, and P. Ring 1 1 Physik-Department der Technischen Universität München,
More informationMicroscopic Approach to Alpha-Nucleus Optical Potentials for Nucleosynthesis
Microscopic Approach to Alpha-Nucleus Optical Potentials for Nucleosynthesis, Th. Srdinko, G. Schnabel, D.M. Warjri Atominstitut, TU Wien, Wiedner Hauptstr. 8-, Vienna, Austria E-mail: hleeb@ati.ac.at,
More informationEvaluation of inclusive breakup cross sections in reactions induced by weakly-bound nuclei within a three-body model
Evaluation of inclusive breakup cross sections in reactions induced by weakly-bound nuclei within a three-body model Jin Lei, Antonio M. Moro Departamento de FAMN, Universidad de Sevilla, Apartado 165,
More informationCoulomb Sum Rule. Huan Yao Feb 16,2010. Physics Experiment Data Analysis Summary Collaboration APS April Meeting
Coulomb Sum Rule 2010 APS April Meeting Huan Yao hyao@jlab.org Feb 16,2010 1 / 17 Physics Motivation The test of Coulomb Sum Rule is to shed light on the question of whether or not the properties of nucleons
More informationNuclear Structure for the Crust of Neutron Stars
Nuclear Structure for the Crust of Neutron Stars Peter Gögelein with Prof. H. Müther Institut for Theoretical Physics University of Tübingen, Germany September 11th, 2007 Outline Neutron Stars Pasta in
More informationParity-Violating Asymmetry for 208 Pb
Parity-Violating Asymmetry for 208 Pb Matteo Vorabbi Dipartimento di Fisica - Università di Pavia INFN - Sezione di Pavia Rome - 2015 January 15 Matteo Vorabbi (Università di Pavia) Parity-Violating Asymmetry
More informationNuclear structure Anatoli Afanasjev Mississippi State University
Nuclear structure Anatoli Afanasjev Mississippi State University 1. Nuclear theory selection of starting point 2. What can be done exactly (ab-initio calculations) and why we cannot do that systematically?
More informationMean-field effects on matter and antimatter elliptic flow
Nuclear Science and Techniques 24 (2013) 050525 Mean-field effects on matter and antimatter elliptic flow KO Cheming 1,* CHEN Liewen 2 GRECO Vincenzo 3 LI Feng 1 LIN Ziwei 4 PLUMARI Salvatore 3 SONG Taesoo
More informationNew simple form for phenomenological nuclear potential. Abstract
New simple form for phenomenological nuclear potential P. Salamon, T. Vertse Institute of Nuclear Research of the Hungarian Academy of Sciences, H-4001 Debrecen, P. O. Box 51, University of Debrecen, Faculty
More informationDetermining Nuclear Form factor for Detection of Dark Matter in Relativistic Mean Field Theory
Commun. Theor. Phys. 55 (2011) 1059 1064 Vol. 55, No. 6, June 15, 2011 Determining Nuclear Form factor for Detection of Dark Matter in Relativistic Mean Field Theory CHEN Ya-Zheng (í ), LUO Yan-An ( Ë),
More informationKaon Condensation in Neutron Star using Modified Quark-Meson Coupling Model
Kaon Condensation in Neutron Star using Modified Quark-Meson Coupling Model C. Y. Ryu, C. H. Hyun, and S. W. Hong Sung Kyun Kwan University Suwon, Korea Outline Introduction (Strangeness in neutron star)
More informationE. Fermi: Notes on Thermodynamics and Statistics (1953))
E. Fermi: Notes on Thermodynamics and Statistics (1953)) Neutron stars below the surface Surface is liquid. Expect primarily 56 Fe with some 4 He T» 10 7 K ' 1 KeV >> T melting ( 56 Fe) Ionization: r Thomas-Fermi
More informationAman Sood, Christoph Hartnack, Elena Bratkovskaya
What strange particles can tell us about hadronic matter and what hadronic matter tells us about strange particles Aman Sood, Christoph Hartnack, Elena Bratkovskaya Strangeness production at threshold:
More informationRecently observed charge radius anomaly in neon isotopes
PHYSICAL REVIEW C 68, 4431 (23) Recently observed charge radius anomaly in neon isotopes A. Bhagwat and Y. K. Gambhir* Department of Physics, IIT Powai, Bombay 476, India (Received 13 June 23; published
More informationReceived 16 June 2015; accepted 30 July 2015
RESEARCH Revista Mexicana de Física 61 (2015) 414 420 NOVEMBER-DECEMBER 2015 henomenological and microscopic model analysis of elastic scattering reactions of 18 O by 24 Mg, 28 Si, 58 Ni, 64 Zn, 90 Zr,
More informationTopics in Standard Model. Alexey Boyarsky Autumn 2013
Topics in Standard Model Alexey Boyarsky Autumn 2013 New particles Nuclear physics, two types of nuclear physics phenomena: α- decay and β-decay See Introduction of this article for the history Cosmic
More informationBox calculations periodic boundary conditions (BC) 1) Details of periodic boundary conditions
Box calculations Following the discussions during and after the transport simulation workshop at Shanghai in 2014, we have realized that it is very important to perform simulations in a periodic box because,
More informationThe Yukawa Lagrangian Density is Inconsistent with the Hamiltonian
Apeiron, Vol. 14, No. 1, January 2007 1 The Yukawa Lagrangian Density is Inconsistent with the Hamiltonian E. Comay School of Physics and Astronomy Raymond and Beverly Sackler Faculty of Exact Sciences
More informationA survey of the relativistic mean field approach
A survey of the relativistic mean field approach B. D. Serot and J. D. Walecka, The relativistic nuclear many body problem. Adv. Nuc. Phys., 16:1, 1986. Non relativistic mean field Small potentials (a
More information