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Related papers: In-medium vector meson masses in a Chiral SU(3) mo…

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The effect of vacuum fluctuations on the in-medium hadronic properties is investigated using a chiral SU(3) model in the nonlinear realization. The effect of the baryon Dirac sea is seen to modify hadronic properties and in contrast to a…

Nuclear Theory · Physics 2009-11-10 A. Mishra , K. Balazs , D. Zschiesche , S. Schramm , H. Stöcker , W. Greiner

The in-medium properties of the vector mesons are known to be modified significantly in hot and dense hadronic matter due to vacuum polarisation effects from the baryon sector in the Walecka model. The vector meson mass drops significantly…

Nuclear Theory · Physics 2009-11-07 Amruta Mishra , Joachim Reinhardt , Horst Stoecker , Walter Greiner

The in-medium masses of the light vector, $\rho^{0, \pm}$, $\omega$ and the light axial-vector, $A_1^{0, \pm}$ mesons, are studied in the magnetized nuclear matter, accounting for the effects of the Dirac sea. The in-medium partial decay…

High Energy Physics - Phenomenology · Physics 2022-11-16 Pallabi Parui , Amruta Mishra

Effective masses of $\rho$ and $\omega$ mesons in nuclear medium are studied in a hadronic effective theory. Both the pole position and the screening mass decrease in nuclear matter due to the polarization of the nucleon Dirac sea. The…

High Energy Physics - Phenomenology · Physics 2009-10-28 H. Shiomi , T. Hatsuda

The medium modification of vector meson masses is studied taking into account the quantum correction effects for the hot and dense hadronic matter. In the framework of Quantum Hadrodynamics, the quantum corrections from the baryon and…

Nuclear Theory · Physics 2008-11-26 Amruta Mishra , Jitendra C. Parikh , Walter Greiner

We study the modification of hadron masses due to the vacuum polarization using the chiral sigma model, which is extended to generate the $\omega$ meson mass by the sigma condensation in the vacuum in the same way as the nucleon mass. The…

Nuclear Theory · Physics 2009-11-10 H. Shen , S. Tamenaga , H. Toki

We observed the impact of finite magnetic field on the in-medium mass and decay constant of isospin averaged vector $D^*(D^{*^+},D^{*^0})$ and axial-vector $D_1(D^+_1, D^0_1)$ mesons. The quark and gluon condensates of the nuclear medium at…

High Energy Physics - Phenomenology · Physics 2020-12-02 Rajesh Kumar , Rahul Chhabra , Arvind Kumar

We investigate how the masses of the singly heavy baryons undergo changes in nuclear matter, based on a medium-modified SU(3) chiral soliton model. Having explained the bulk properties of nuclear matter, we discuss the masses of the singly…

Nuclear Theory · Physics 2022-08-31 Ho-Yeon Won , Ulugbek Yakhshiev , Hyun-Chul Kim

Masses of hadrons (baryons as well as mesons) are modified in the nuclear medium because of their interactions. In this paper we investigate the effect of in-medium meson masses on the properties of the nuclear matter. The calculations are…

Nuclear Theory · Physics 2007-05-23 Abhijit Bhattacharya , Sanjay K. Ghosh , S. C. Phatak

We investigate the properties of baryonic matter within the framework of the in-medium modified chiral soliton model by taking into account the effects of surrounding baryonic environment on the properties of in-medium baryons. The internal…

Nuclear Theory · Physics 2021-06-16 Nam-Yong Ghim , Ghil-Seok Yang , Hyun-Chul Kim , Ulugbek Yakhshiev

We will summarize the progress in understanding the changes in the vector meson spectral density in nuclear medium using the constraint equations obtained from the Borel transformed dispersion relation and QCD Operator Product Expansion. We…

Nuclear Theory · Physics 2009-10-31 Su Houng Lee

We study the properties of the light vector mesons ($\rho$, $\omega$ and $\phi$) in strange hadronic matter using the QCD sum rule approach. The in-medium masses of the vector mesons are calculated from the modifications of the light quark…

Nuclear Theory · Physics 2015-06-19 Amruta Mishra

The medium modification of kaon and antikaon masses, compatible with low energy KN scattering data, are studied in a chiral SU(3) model. The mutual interactions with baryons in hot hadronic matter and the effects from the baryonic Dirac sea…

Nuclear Theory · Physics 2011-07-19 A. Mishra , E. L. Bratkovskaya , J. Schaffner-Bielich , S. Schramm , H. Stoecker

$^1S_0$ pairing in nuclear matter is investigated by taking the hadron mass decrease into account via the ``In-Medium Bonn potential'' which was recently proposed by Rapp et al. The resulting gap is significantly reduced in comparison with…

Nuclear Theory · Physics 2007-05-23 Tomonori Tanigawa , Masayuki Matsuzaki

We evaluate the in-medium $D$ and $\bar D$-meson masses in hot hadronic matter induced by interactions with the light hadron sector described in a chiral SU(3) model. The effective Lagrangian approach is generalized to SU(4) to include…

Nuclear Theory · Physics 2009-11-10 A. Mishra , E. L. Bratkovskaya , J. Schaffner-Bielich , S. Schramm , H. Stöcker

The effect of mixing of the vector and axial vector correlation functions in the nuclear medium arising from the interaction of nuclear pions with corresponding interpolating currents is considered. It is shown that the mass difference…

High Energy Physics - Phenomenology · Physics 2009-10-30 Boris Krippa

We investigate the properties of pseudoscalar $D$ and vector $D^*$ mesons in an isospin asymmetric nuclear medium using a hybrid approach that integrates the light-front quark model with the chiral SU(3) quark mean field model. The…

High Energy Physics - Phenomenology · Physics 2025-06-11 Anshu Gautam , Dhananjay Singh , Navpreet Kaur , Satyajit Puhan , Suneel Dutt , Harleen Dahiya , Arvind Kumar

We study the baryon density dependence of the vector meson spectrum using the D4/D6 system together with the compact D4 baryon vertex. We find that the vector meson mass decreases almost linearly in density at low density for small quark…

High Energy Physics - Phenomenology · Physics 2015-03-19 Kwanghyun Jo , Mannque Rho , Yunseok Seo , Sang-Jin Sin

In this work we shall investigate the mass modifications of scalar mesons $\left( D_{0}, B_{0}\right)$,vector mesons $\left( D^{\ast}, B^{\ast}\right)$ and axial-vector mesons $\left(D_{1}, B_{1}\right)$ at finite density and temperature of…

Nuclear Theory · Physics 2014-07-25 Arvind Kumar

We calculate the effects of finite density of isospin asymmetric strange hadronic matter, for different strangeness fractions, on the in-medium properties of vector $\left( D^{\ast}, D_{s}^{\ast}, B^{\ast}, B_{s}^{\ast}\right)$ and…

Nuclear Theory · Physics 2015-06-09 Arvind Kumar , Rahul Chhabra
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