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Related papers: Density dependence of in-medium nucleon-nucleon cr…

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A systematic study of the in-medium correction factor ($F$) on nucleon-nucleon elastic cross section is performed within the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model. The effects of the beam energy dependence of $F$ on…

Nuclear Theory · Physics 2022-04-06 Pengcheng Li , Yongjia Wang , Qingfeng Li , Hongfei Zhang

Nuclear effects in the quasielastic and inelastic scattering of neutrinos(antineutrinos) from nuclear targets have been studied. The calculations are done in the local density approximation which take into account the effect of nucleon…

Nuclear Theory · Physics 2008-11-26 S. K. Singh , M. Sajjad Athar

When the $\bar{K}N$ system is submerged in nuclear medium the $\bar{K}N$ scattering amplitude and the final state branching ratios exhibit a strong energy dependence when going to energies below the $\bar{K}N$ threshold. A sharp increase of…

Nuclear Theory · Physics 2015-06-03 A. Cieply

Several recent studies have dealt with the effects of short range correlations on the momentum distribution of nucleons in nuclei. Here we investigate the correlation effects on the density and spectral distribution in coordinate space. A…

Nuclear Theory · Physics 2009-11-10 H. Müther , Ingo Sick

It is widely discussed in the literature that the wave function of the nucleon bound in a nucleus is modified due to the interaction with the surrounding medium. We argue that the modification should strongly depend on the momentum of the…

Nuclear Theory · Physics 2008-11-26 C. Ciofi degli Atti , L. L. Frankfurt , L. P. Kaptari , M. I. Strikman

This paper presents reaction cross section predictions. These predictions are the result of a continuous pipeline which originates from a microscopic nuclear interaction. Density parameters and effective nucleon-nucleon cross sections (both…

Nuclear Theory · Physics 2011-07-04 Francesca Sammarruca , Larz White

In this paper, the in-medium $NN\rightarrow N\Delta$ cross section is calculated in the framework of the one-boson exchange model by including the isovector mesons, i.e. $\delta$ and $\rho$ mesons. Due to the isospin exchange in the…

Nuclear Theory · Physics 2018-12-05 Ying Cui , Yingxun Zhang , Zhuxia Li

Although ab-initio calculations of relativistic Brueckner theory lead to large scalar isovector fields in nuclear matter, at present, successful versions of covariant density functional theory neglect the interactions in this channel. A new…

Nuclear Theory · Physics 2016-06-09 X. Roca-Maza , X. Viñas , M. Centelles , P. Ring , P. Schuck

We examine how the properties of inhomogeneous nuclear matter at subnuclear densities depend on the density dependence of the symmetry energy. Using a macroscopic nuclear model we calculate the size and shape of nuclei in neutron star…

Nuclear Theory · Physics 2008-11-26 Kazuhiro Oyamatsu , Kei Iida

We study charged-current neutrino cross sections on neutronrich nuclei in the mass $A\sim60$ region. Special attention is paid to environmental effects, i.e. finite temperature and density, on the cross sections. As these effects are…

Nuclear Theory · Physics 2009-11-07 J. M. Sampaio , K. Langanke , G. Martinez-Pinedo

The density dependence of the symmetry energy in the equation of state of asymmetric nuclear matter (N/Z $>$ 1) is important for understanding the structure of systems as diverse as the atomic nuclei and neutron stars. Due to a proper lack…

Nuclear Experiment · Physics 2009-11-11 D. V. Shetty , S. J. Yennello , G. A. Souliotis

Nuclei in dense matter are influenced by the medium. In the cluster mean field approximation, an effective Schr\"odinger equation for the $A$-particle cluster is obtained accounting for the effects of the correlated medium such as…

Nuclear Theory · Physics 2009-01-28 G. Röpke

We make a review of the main nuclear effects that affect neutrino-nucleus cross sections. We discuss how the different models in the literature try to describe these different effects, and thus try to compare between them. We focus on the…

Nuclear Theory · Physics 2010-05-07 M. Valverde , J. Nieves , J. E. Amaro , M. J. Vicente-Vacas

In-medium chiral perturbation theory is used to calculate the density dependence of the quark condensate $<\bar qq>$. The corrections beyond the linear density approximation are obtained by differentiating the interaction contributions to…

Nuclear Theory · Physics 2008-11-26 N. Kaiser , P. de Homont , W. Weise

A recent updated version of the Lanzhou quantum molecular dynamics is reviewed, in which the momentum dependence of symmetry potential and the effective mass splitting of proton and neutron in nuclear medium are included in the model. The…

Nuclear Theory · Physics 2012-02-13 Zhao-Qing Feng

This article presents the $A$-dependence of the differential cross section for the coherent electroproduction of vector mesons on nuclei in forward direction, at fixed values of longitudinal momentum transfer $q_{L}$. It is shown that such…

High Energy Physics - Phenomenology · Physics 2007-07-25 N. Akopov , Z. Akopov , G. Aslanyan , L. Grigoryan

Unitarity relates the total cross section for neutrino-nucleon scattering to the neutrino-nucleon forward scattering amplitude. Assuming the validity of the perturbative expansion of the forward amplitude in the {\em weak} coupling…

High Energy Physics - Phenomenology · Physics 2009-11-07 Duane A. Dicus , Stefan Kretzer , Wayne W. Repko , Carl Schmidt

The effects of charge independence breaking of nucleon-nucleon interaction on the bulk properties of nuclear matter are investigated. Our results indicate that at high densities, the inclusion of charge dependence in the nucleon-nucleon…

Nuclear Theory · Physics 2009-11-10 G. H. Bordbar

A density-dependent two-nucleon potential has been derived in the formalism of correlated basis function. The effects of 3-particle interactions has been included by integrating out the degrees of freedom of the third nucleon. The potential…

We investigate the modification induced on the nucleon-nucleon cross section by screening of the interaction inside nuclear matter. The interaction is described by the relativistic one boson exchange of $\sigma$, $\omega$ and $\pi$ mesons.…

Nuclear Theory · Physics 2009-10-31 J. Diaz Alonso , L. Mornas