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Related papers: Kaons and antikaons in strong magnetic fields

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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

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

In this work we study the influence of a strong magnetic field on the composition of nuclear matter at T=0 including the anomalous magnetic moment (AMM) of baryons.

High Energy Physics - Phenomenology · Physics 2013-07-30 Eduardo L. Coelho , Marcelo Chiapparini , Mirian E. Bracco

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

We study the in-medium masses of the heavy quarkonium (charmonium and bottomonium) states in isospin asymmetric nuclear matter in presence of an external magnetic field. The mass modifications of the heavy quarkonia are obtained from the…

High Energy Physics - Phenomenology · Physics 2022-10-24 Ankit Kumar , Amruta Mishra

Recent observations of several massive pulsars, with masses near and above $2~M_\odot$, point towards the existence of matter at very high densities, compared to normal matter that we are familiar with in our terrestrial world. This leads…

High Energy Astrophysical Phenomena · Physics 2023-03-28 Debraj Kundu , Vivek Baruah Thapa , Monika Sinha

The state of the art in the study of pionic, kaonic and Sigmionic atoms, along with the in-medium nuclear interactions deduced for these hadrons, is reviewed. A special emphasis is placed on recent developments in antikaon-nuclear physics,…

Nuclear Theory · Physics 2011-08-11 E. Friedman , A. Gal

Experimental and theoretical developments of the last decade in the study of exotic atoms and some related low-energy reactions are reviewed, in order to provide information on the in-medium hadron-nucleon t matrix over a wide range of…

Nuclear Theory · Physics 2008-11-26 E. Friedman , A. Gal

The in-medium properties of $\eta$ mesons are studied in hot and dense isospin asymmetric strange magnetized matter using the chiral SU(3) hadronic mean-field model. The scalar and vector density of baryons are expressed in terms of thermal…

High Energy Physics - Phenomenology · Physics 2022-11-22 Shivanshi Tiwari , Rajesh Kumar , Manisha Kumari , Arvind Kumar

The mass modifications of the bottomonium states ($\Upsilon (NS)$,$N=1,2,3,4$ and $\Upsilon (1D)$) in magnetized nuclear matter are studied using chiral effective model. The in-medium masses are calculated from the medium modification of…

Nuclear Theory · Physics 2018-07-25 Amal Jahan C. S. , Shivam Kesarwani , Sushruth Reddy P. , Nikhil Dhale , Amruta Mishra

The strange magnetic moment of the nucleon ($\mu_s$) is examined as part of the nucleon's isoscalar anomalous moment. The dominant up and down quark effects in the anomalous moment may actually tend to favor $\mu_s >0$, which is contrary to…

High Energy Physics - Phenomenology · Physics 2008-02-03 R. D. McKeown

The properties of the kaon, $K$, and antikaon, $\kbar$, in nuclear medium are studied in the quark-meson coupling (QMC) model. Employing a constituent quark-antiquark (MIT bag model) picture, their excitation energies in a nuclear medium at…

Nuclear Theory · Physics 2010-02-17 K. Tsushima , K. Saito , A. W. Thomas , S. V. Wright

Kaon properties in thermal pion-nucleon medium are studied. The dense pion-nucleon medium is produced in high-energy heavy-ion collisions. The consideration is based on the chiral nucleon-kaon-pion Lagrangian. It is found that the pion…

Nuclear Theory · Physics 2025-02-27 Yu. B. Ivanov

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

In the present work we calculate the transition magnetic moments for the radiative decays of $\Delta$ baryon to proton $(\Delta \rightarrow p)$ in isospin asymmetric nuclear medium at finite temperature using chiral SU(3) quark mean field…

Nuclear Theory · Physics 2025-04-02 Suneel Dutt , Arvind Kumar , Harleen Dahiya

We study the effects of strong magnetic fields on antikaon condensation in neutron star matter using the quark-meson coupling (QMC) model. The QMC model describes a nuclear many-body system as nonoverlapping MIT bags in which quarks…

Nuclear Theory · Physics 2008-11-26 P. Yue , H. Shen

We show how light scalar fields can account for the discrepancy between the theoretical and observed values of the anomalous magnetic moment of the (anti)muon. When coupled to both matter and photons, light scalar fields induce a change of…

High Energy Physics - Phenomenology · Physics 2022-09-01 Philippe Brax , Anne-Christine Davis , Benjamin Elder

We evaluate the antikaon and hyperon spectral functions in a self-consistent and covariant many-body approach. The computation is based on coupled-channel dynamics derived from the chiral SU(3) Lagrangian. A novel subtraction scheme is…

Nuclear Theory · Physics 2008-11-26 M. F. M. Lutz , C. L. Korpa , M. Moeller

In the present work, we investigate the impact of finite volume on the in-medium properties of kaons ($K^+$, $K^0$) and antikaons ($K^-$, $\bar{K^0}$), and $\phi$ mesons in the isospin asymmetric strange hadronic medium at finite density…

High Energy Physics - Phenomenology · Physics 2024-07-09 Zeeshan Ahmad , Nisha Chahal , Arvind Kumar , Suneel Dutt

We investigate the effects of very strong magnetic fields upon the equation of state of dense bayonic matter in which hyperons are present. In the presence of a magnetic field, the equation of state above nuclear density is significantly…

Astrophysics · Physics 2009-11-07 A. E. Broderick , M. Prakash , J. M. Lattimer