English
Related papers

Related papers: Tensor Coupling and Vector Mesons in Dense Nuclear…

200 papers

We discuss the effect of changes in meson properties in a nuclear medium on physical observables, notably, $J/\Psi$ dissociation on pion and $\rho$ meson comovers in relativistic heavy ion collisions, and the prediction of the $\omega$-,…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , A. Sibirtsev , K. Saito , A. W. Thomas , D. H. Lu

The dispersion relation of $\rho$ meson in both timelike and spacelike regimes in hot and dense nuclear medium is analyzed and compared with $\sigma $ meson based on the quantum hadrodynamics model. The pole and screening masses of $\rho $…

Nuclear Theory · Physics 2009-11-07 Ji-Sheng Chen , Jia-Rong Li , Peng-Fei Zhuang

We obtain the RPA summed one-meson exchange potential between nucleons in symmetric nuclear matter at zero temperature, from a model which includes $\rho $, $\sigma $, $\omega $ and $\pi $ mesons. The behavior of rho mesons inside the…

Nuclear Theory · Physics 2007-05-23 L. Mornas , E. Gallego , A. Perez

Properties of hadrons and their modification within strongly interacting matter provide a link between experimental observables and Quantum Chromodynamics (QCD) in the non-perturbative sector. The sensitivity of various observables to…

The relativistic neutrino emissivity of the nucleonic direct URCA processes in neutron star matter are investigated within the relativistic Hartree-Fock approximation. We study particularly the influences of the tensor couplings of vector…

Nuclear Theory · Physics 2016-01-29 Xu Yan , Huang Xiu-Lin , Liu Cheng-Zhi , Liu Guang-Zhou

Mass shifts $\Delta m$ of particles in nuclear matter relative to their vacuum values are considered. A general formula relating $\Delta m(E)$ ($E$ is the particle energy) to the real part of the forward particle-nucleon scattering…

High Energy Physics - Phenomenology · Physics 2009-10-28 V. L. Eletsky , B. L. Ioffe

We study the energy dispersions of holographic light mesons and their decay constants on dense nuclear medium. As the spatial momenta of mesons along the boundary direction increase, both observables of the mesons not only increase but also…

High Energy Physics - Phenomenology · Physics 2015-06-11 Bum-Hoon Lee , Chanyong Park , Siyoung Nam

A light-front treatment for the scalar and vector meson momentum distribution functions is developed using a model in which the nucleus is treated a static source of radius $R$. The limit $R\to \infty$ corresponds to infinite nuclear…

Nuclear Theory · Physics 2008-11-26 M. Burkardt , G. A. Miller

The light vector mesons ($\rho$, $\omega$, and $\phi$) were produced in deuterium, carbon, titanium, and iron targets in a search for possible in-medium modifications to the properties of the $\rho$ meson at normal nuclear densities and…

Nuclear Experiment · Physics 2010-04-06 M. H. Wood , R. Nasseripour , D. P. Weygand , C. Djalali , C. Tur , U. Mosel , P. Muehlich , CLAS Collaboration

The influence of the magnetic moment interaction of nucleons on nucleon-deuteron elastic scattering and breakup cross sections and on elastic scattering polarization observables has been studied. Among the numerous elastic scattering…

Nuclear Theory · Physics 2009-11-10 H. Witala , J. Golak , R. Skibinski , C. R. Howell , W. Tornow

We determine the influence of the three-body force and the medium modification of meson masses on pairing in nuclear and neutron matter. A reduction of the pairing gap is found and increasing with density.

Nuclear Theory · Physics 2009-11-07 W. Zuo , U. Lombardo , H. -J. Schulze , C. W. Shen

Here I review some nuclear physics aspects of core-collapse supernovae concerning neutrinos. Studies of neutrino emission and interactions in supernovae are crucial to our understanding of the explosion mechanism, the heavy element…

Astrophysics · Physics 2007-05-23 Yong-Zhong Qian

An extensive study of the effects of correlations on both charged and neutral current weak interaction rates in dense matter is performed. Both strong and electromagnetic correlations are considered.The propagation of particle-hole…

Astrophysics · Physics 2011-05-05 Sanjay Reddy , Madappa Prakash , James M. Lattimer , Jose A. Pons

We calculate the magnetic moments of hyperons in dense nuclear matter by using relativistic quark models. Hyperons are treated as MIT bags, and the interactions are considered to be mediated by the exchange of scalar and vector mesons which…

Nuclear Theory · Physics 2009-05-01 C. Y. Ryu , C. H. Hyun , T. -S. Park , S. W. Hong

We summarize the current theoretical and experimental status of the spectral changes of vector mesons ($\rho$, $\omega$, $\phi$) at finite baryon density. Various approaches including QCD sum rules, effective theory of hadrons and bag…

Nuclear Theory · Physics 2007-05-23 T. Hatsuda

We consider photoproduction of $\omega$ mesons off complex nuclei to study interactions of transversely and longitudinally polarized vector mesons with nucleons. Whereas the total cross section for interactions of the transversely polarized…

High Energy Physics - Phenomenology · Physics 2016-02-03 E. Chudakov , S. Gevorkyan , A. Somov

Relativistic heavy ions are copious sources of virtual photons. The large photon flux gives rise to a substantial photonuclear interaction probability at impact parameters where no hadronic interactions can occur. Multiple photonuclear…

Nuclear Theory · Physics 2009-11-07 Anthony J. Baltz , Spencer R. Klein , Joakim Nystrand

We study the neutrino interaction rates in hot matter at high densities in the presence of uniform magnetic field. The neutrino cross-sections involving both the charged current absorption and neutral current scattering reactions on baryons…

High Energy Physics - Phenomenology · Physics 2009-11-07 Deepak Chandra , Ashok Goyal , Kanupriya Goswami

We studied nucleus-nucleus collision in strong magnetic field based on a transport model. It is found that neutrons and protons can be separated from a nucleus by strong magnetic field and neutron-rich high density nuclear matter and low…

Nuclear Theory · Physics 2011-06-29 Gao-Chan Yong

We investigate the coupling of vector mesons with nucleons to nucleon resonances in an isospin-selective VMD approach and explore the in-medium properties of vector mesons.

Nuclear Theory · Physics 2017-08-23 U. Mosel , M. Post