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Related papers: $\eta$ meson in strange magnetized matter

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The $\eta N$ interactions are investigated in the hot magnetized asymmetric nuclear matter using chiral SU(3) model and chiral perturbation theory (ChPT). In the chiral model, the in-medium properties of $\eta$-meson are calculated by the…

Nuclear Theory · Physics 2023-06-21 Rajesh Kumar , Arvind Kumar

We study the in-medium properties of kaons and antikaons in isospin asymmetric hot and dense resonance matter within the chiral SU(3) hadronic mean field model. Along with nucleons and hyperons, the interactions of $K$ and $\bar K$ mesons…

High Energy Physics - Phenomenology · Physics 2024-10-22 Manpreet Kaur , Arvind Kumar

In the present work we study the masses and magnetic moments of decuplet baryons in isospin asymmetric strange hadronic medium at finite temperature using chiral SU(3) quark mean field model. In the strange isospin asymmetric medium, the…

Nuclear Theory · Physics 2023-11-07 Arvind Kumar , Suneel Dutt , Harleen Dahiya

We investigate in stable strange hadronic matter (SHM) the modification of the masses of the scalar ($\sigma$, $\sigma^*$) and the vector ($\omega$, $\phi$) mesons. The baryon ground state is treated in the relativistic Hartree…

Nuclear Theory · Physics 2009-10-31 Subrata Pal , Song Gao , Horst Stöcker , Walter Greiner

We study the in-medium properties of $D$ and $\bar{D}$ mesons in isospin asymmetric hyperonic matter arising due to their interactions with the light hadrons. The interactions of $D$ and $\bar{D}$ mesons with these light hadrons are derived…

Nuclear Theory · Physics 2015-03-17 Arvind Kumar , Amruta Mishra

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

In the present work, we have studied the masses and magnetic moments of spin$-{\frac{1}{2}}^+$ and spin$-{\frac{3}{2}}^+$ singly and doubly charmed baryons in the strange hadronic medium at finite temperature using the chiral SU(3) quark…

High Energy Physics - Phenomenology · Physics 2024-09-19 Suneel Dutt , Arvind Kumar , Harleen Dahiya

We calculate the effects of finite density and temperature 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},…

Nuclear Theory · Physics 2015-09-29 Arvind Kumar , Rahul Chhabra

Medium modification of the magnetic moments of octet baryons in the isospin asymmetric nuclear medium at finite temperature has been calculated using medium modified quark and baryon masses derived in chiral SU(3) quark mean field model.…

Nuclear Theory · Physics 2018-12-21 Harpreet Singh , Arvind Kumar , Harleen Dahiya

The behavior of neutral pseudoscalar mesons $\pi^0, \eta$ and $\eta'$ in hot and dense matter is investigated, in the framework of the three flavor Nambu-Jona-Lasinio model. Three different scenarios are considered: zero density and finite…

High Energy Physics - Phenomenology · Physics 2007-05-23 Pedro Costa , M. C. Ruivo , Yu. L. Kalinovsky

We study the $\eta N$ interactions in the hot and dense isospin asymmetric nuclear matter using two different approaches. In the first approach, the in-medium mass and optical potential of $\eta$-meson have been calculated in the chiral…

Nuclear Theory · Physics 2021-01-04 Rajesh Kumar , Arvind Kumar

The in-medium properties of $D_S$ mesons are investigated within the framework of an effective hadronic model, which is a generalization of a chiral SU(3) model, to SU(4), in order to study the interactions of the charmed hadrons. In the…

Nuclear Theory · Physics 2015-08-25 Divakar Pathak , Amruta Mishra

An extended chiral SU(3) model is applied to the description of dense, hot and strange hadronic matter. The degrees of freedom are the baryon octet and decuplet and the spin-0 and spin-1 meson multiplets. The parameters of the model are…

Strong magnetic fields can modify the microscopic composition of matter with consequences on stellar macroscopic properties. Within this context, we study, for the first time, the possibility of the appearance of spin-3/2 $\Delta$ baryons…

High Energy Astrophysical Phenomena · Physics 2022-09-07 K. D. Marquez , M. R. Pelicer , S. Ghosh , J. Peterson , D. Chatterjee , V. Dexheimer , D. P. Menezes

In this work, we study magnetic field effects on neutron star matter containing the baryon octet and additional heavier spin 3/2 baryons (the $\Delta$'s). We make use of two different relativistic hadronic models that contain an additional…

Nuclear Theory · Physics 2021-07-15 Veronica Dexheimer , Kauan D. Marquez , Débora P. Menezes

We investigate the mass-shift of vector channel $J/\psi$ and pseudoscalar channel $\eta_c$ in strongly magnetized asymmetric nuclear medium at finite temperature using the conjunction of chiral $SU(3)$ model with the QCD sum rules. The…

High Energy Physics - Phenomenology · Physics 2018-10-23 Rajesh Kumar , Arvind Kumar

We investigate the in-medium properties of strange vector mesons ($K^*$ and $\bar K^*$) in dense and hot nuclear matter based on chirally motivated models of the meson selfenergies. We parameterise medium effects as density or temperature…

High Energy Physics - Phenomenology · Physics 2015-06-18 Andrej Ilner , Daniel Cabrera , Pornrad Srisawad , Elena Bratkovskaya

Hot hypernuclear matter is investigated in an explicit SU(3) quark model based on a mean field description of nonoverlapping baryon bags bound by the self-consistent exchange of scalar $\sigma, \zeta$ and vector $\omega, \phi$ mesons. The…

Nuclear Theory · Physics 2009-10-31 I. Zakout , H. R. Jaqaman , S. Pal , H. Stöcker , W. Greiner

The in-medium behavior of bottom-strange pseudoscalar mesons in hot, isospin asymmetric and dense hadronic environment is studied using a chiral effective model. The same was recently generalized to the heavy quark sector and employed to…

Nuclear Theory · Physics 2015-06-22 Divakar Pathak , Amruta Mishra

The effective masses of the neutral mesons in a hadronic medium and under an external magnetic field are evaluated as functions of the baryonic density and the field intensity. For this purpose the meson polarization is evaluated in the one…

Nuclear Theory · Physics 2017-11-27 R. M. Aguirre
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