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Pseudoscalar meson dominance has implications for nucleon structure which follow from an Extended Partial Conservation of the Axial Current (EPCAC). The minimal resonance saturation of the nucleon pseudoscalar form factor of the lowest…

High Energy Physics - Phenomenology · Physics 2023-07-05 Enrique Ruiz Arriola , Pablo Sanchez-Puertas

We consider the influence of breakup channels on the complete fusion of weakly bound cluster-type systems in terms of dynamic polarization potentials. It is argued that the enhancement of the cross section at sub-barrier energies may be…

Nuclear Theory · Physics 2015-06-15 M. S. Hussein , P. R. S. Gomes , J. Lubian , R. Linares , L. F. Canto

We study the isospin effects of the mean field and two-body collision on the nucleon emissions at the intermediate energy heavy ion collisions by using an isospin dependent transport theory. The calculated results show that the nucleon…

Nuclear Theory · Physics 2009-11-10 Jian-Ye Liu , Yong-Zhong Xing , Wen-Jun Guo

Modifications of baryon properties due to the restoration of the chiral symmetry in an external hot and dense baryon medium are investigated in an effective chiral quark-meson theory. The nucleon arises as a soliton of the Gell-Mann -…

High Energy Physics - Phenomenology · Physics 2009-10-22 Chr. V. Christov , E. Ruiz Arriola , K. Goeke

The production and decay of supersymmetric particles is presented. The dependence of the hadro-production cross section for weakly and strongly interacting yields an improvement of derived mass bounds or the measurement of the masses,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tilman Plehn

The relationship between medium modifications of nuclear quark structure functions and medium modifications of elastic electromagnetic form factors is shown to be model dependent.

Nuclear Theory · Physics 2023-08-01 Dmitry N. Kim , Or Hen , Gerald A. Miller , E. Piasetzky , M. Strikman , L. Weinstein

Nuclear shapes and odd-nucleon blockings strongly influence the odd-even differences of nuclear masses. When such effects are taken into account, the determination of the pairing strength is modified resulting in larger pair gaps. The…

Nuclear Theory · Physics 2009-10-31 F. R. Xu , R. Wyss , P. M. Walker

Charged-current neutrino-nucleus scattering is studied in the quasielastic region with the KIDS (Korea-IBS-Daegu-SKKU) nuclear energy density functional. We focus on the uncertainties stemming from the axial mass and the in-medium effective…

Nuclear Theory · Physics 2022-07-27 Kyungsik Kim , Hana Gil , Chang Ho Hyun

We calculate the momentum dependence of the $\rho$-meson selfenergy based on the dispersion relation for the $\rho N$ scattering amplitude $f(\omega$) at low nuclear density. The imaginary part of $f(\omega)$ is determined from the optical…

Nuclear Theory · Physics 2008-11-26 L. A. Kondratyuk , A. Sibirtsev , W. Cassing , Ye. S. Golubeva , M. Effenberger

The dynamical origins of the EMC effect are studied. We conclude that a swelling in size of a bound nucleon as well as nuclear binding plays an important r\^ole in determining the parton distributions within a bound nucleon. We find that…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Indumathi , W. Zhu

We consider a novel mechanism for J/Psi production in nuclear collisions arising due to the high density of gluons. We calculate the resulting J/Psi production cross section as a function of rapidity and centrality. We evaluate the nuclear…

High Energy Physics - Phenomenology · Physics 2009-06-16 Dmitri Kharzeev , Eugene Levin , Marzia Nardi , Kirill Tuchin

We aim to study the role of momentum-dependent interactions in transverse flow as well as in its disappearance. For the present study, central collisions involving mass between 24 and 394 are considered. We find that momentum-dependent…

Nuclear Theory · Physics 2015-05-18 Aman D. Sood , Rajeev K. Puri

The extraction of the nucleon's strangeness axial charge, Delta_s, from inclusive, quasielastic neutral current neutrino cross sections is studied within the framework of the plane-wave impulse approximation. We find that the value of…

Nuclear Theory · Physics 2008-11-26 M. B. Barbaro , A. De Pace , T. W. Donnelly , A. Molinari , M. J. Musolf

Non uniform structures of the nucleon matter at subnuclear densities are numerically studied by means of the density functional theory with relativistic mean-fields coupled with the electric field. A particular role of the charge screening…

The influence of the in-medium mesons on the effective nucleon mass and in turn on the equation of state of hot/dense nuclear matter is discussed in the Walecka model. Due to the self-consistent treatment of couplings between nucleons and…

Nuclear Theory · Physics 2014-11-18 Ji-sheng Chen , Peng-fei Zhuang , Jia-rong Li

Nucleon structure function ratios r(x) = F2A(x)/F2D(x) measured in the range of atomic masses A larger or equal 4 are analyzed with the aim to determine the pattern of the x and A dependence of F2(x) modifications caused by nuclear…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. I. Smirnov

We review the effect of hadron structure changes in a nuclear medium using the quark-meson coupling (QMC) model, which is based on a mean field description of non-overlapping nucleon (or baryon) bags bound by the self-consistent exchange of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Saito , K. Tsushima , A. W. Thomas

Interpretation of current and future neutrino oscillation and electron scattering experiments requires knowledge of lepton-nucleon and lepton-nucleus interactions at the percent level. We study the exchange of photons between charged…

Nuclear Theory · Physics 2022-10-19 Oleksandr Tomalak , Ivan Vitev

We present calculations of the N N -> N Delta cross section in nuclear matter within the one-pion exchange model taking into account pion collectivity, vertex renormalization by the contact nuclear interactions and Dirac effective masses of…

Nuclear Theory · Physics 2011-01-25 A. B. Larionov , U. Mosel

A complete theoretical study is presented for the disappearance of flow, for the first time, by analyzing 15 reactions with masses between 47 and 476 units. We demonstrate that the effect of nucleon-nucleon cross-section reduces to…

Nuclear Theory · Physics 2011-08-03 Aman D. Sood , Rajeev K. Puri
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