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Related papers: $\phi$ meson mass and decay width in strange hadro…

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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…

The $\phi \to K^+K^-,K^{0}_{L},K^{0}_{S},K^{0}\bar K^0$ decays are studied using the method of phenomenological chiral Lagrangians. Calculated values for partial widths for these decay channels are compared with available experimental data.

High Energy Physics - Phenomenology · Physics 2011-11-10 K. R. Nasriddinov , N. Z. Rajabov , N. E. Iskandarov

We estimate the numbers and mass spectra of observed lepton and kaon pairs produced from $\phi$ meson decays in the central rapidity region of an Au+Au collision at lab energy 11.6 GeV/nucleon. The following effects are considered: possible…

Nuclear Theory · Physics 2009-09-25 David Seibert , Charles Gale

We investigate the medium modifications of the masses of pseudoscalar open charm ($D$ and $\bar D$) mesons and the charmonium state ($\psi(3770)$) in hot isospin asymmetric strange hadronic medium in the presence of an external magnetic…

High Energy Physics - Phenomenology · Physics 2024-10-29 Amruta Mishra , Arvind Kumar , S. P. Misra

We calculate the shift in masses and decay constants of $D_s(1968)$ and $B_s(5370)$ mesons in hot and dense asymmetric strange hadronic matter using QCD sum rules and chiral SU(3) model. In-medium strange quark condensates $\left\langle…

High Energy Physics - Phenomenology · Physics 2017-11-03 Rahul Chhabra , Arvind Kumar

Production of $\phi$ mesons is considered in the course of heavy-ion collisions at SPS energies. We investigate the possible difference in momentum distributions of $\phi$ mesons measured via their leptonic ($\mu^+\mu^-$) and hadronic…

High Energy Physics - Phenomenology · Physics 2009-11-07 Peter Filip , Evgeni E. Kolomeitsev

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

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 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

We investigate the mass modifications of open strange mesons (vector $K^*$ and axial vector $K_1$) in (magnetized) isospin asymmetric nuclear matter using quantum chromodynamics sum rule (QCDSR) approach. The in-medium decay widths of $K^*$…

High Energy Physics - Phenomenology · Physics 2023-11-09 Ankit Kumar , Amruta Mishra

Quark-hadron matter at finite temperature and density is studied using a two-flavor, color SU(2) (P)NJL model. The hadronic effective Lagrangian, derived by bosonization of the quark fields and renormalized using the Eguchi method, emerges…

Nuclear Theory · Physics 2014-01-16 Shotaro Imai , Hiroshi Toki , Wolfram Weise

Dilepton spectra from the decay of phi mesons produced in heavy-ion collisions at SIS/GSI energies ($\sim 2$ GeV/nucleon) are studied in the relativistic transport model. We include phi mesons produced from baryon-baryon, pion-baryon, and…

Nuclear Theory · Physics 2009-10-31 W. S. Chung , C. M. Ko , G. Q. Li

We study the in-medium effects in strangeness production in heavy-ion collisions at (sub-)\-threshold energies of 1 - 2 A GeV based on the microscopic Parton-Hadron-String Dynamics (PHSD) transport approach. The in-medium modifications of…

Nuclear Theory · Physics 2021-04-14 Taesoo Song , Laura Tolos , Joana Wirth , Joerg Aichelin , Elena Bratkovskaya

The one loop polarization insertions for the kaon and the $\phi$ mesons are evaluated in a hadronic medium as functions of the field intensity and the baryonic density. For this purpose an effective chiral model of the hadronic interaction…

Nuclear Theory · Physics 2019-02-25 R. M. Aguirre

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

We investigate the in-medium properties of the $\phi$ meson with finite momentum, going beyond the commonly studied case at rest. In a nuclear medium, Lorentz invariance is broken, leading to distinct longitudinal and transverse…

High Energy Physics - Phenomenology · Physics 2026-03-18 Ahmad Jafar Arifi , Philipp Gubler , Kazuo Tsushima

The restoration of dynamical chiral symmetry for a higher number of light-quark flavors $N_f$ implies suppression of the dynamically generated quark mass. The study of various larger values of $N_f$ may have a greater impact on the internal…

High Energy Physics - Phenomenology · Physics 2025-11-04 Aftab Ahmad

The first order self-energy corrections of the kaon in the symmetric nuclear matter are calculated from kaon-nucleon scattering matrix elements using a chiral Lagrangian within the framework of relativistic mean field approximation. It…

Nuclear Theory · Physics 2008-12-25 Yue-Lei Cui , Bao-Xi Sun

In this article, we calculate the mass shift and decay constant of isospin averaged pseudoscalar ($D^+$,$D^0$) and scalar ($D^+_0$,$D^0_0$) mesons by the magnetic field induced quark and gluon condensates at finite density and temperature…

High Energy Physics - Phenomenology · Physics 2020-01-15 Rajesh Kumar , Arvind Kumar

We investigate the hidden strange $\phi$ meson production in heavy-ion collisions from subthreshold ($E_{kin}\approx 1$ A GeV) to relativistic ($E_{kin}\approx 21$ A TeV) energies as well as its coupling to the open strange mesons (kaons,…

Nuclear Theory · Physics 2022-08-31 Taesoo Song , Joerg Aichelin , Elena Bratkovskaya