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The in-medium masses and optical potentials of $B$ and ${\bar B}$ mesons are studied in an isospin asymmetric, strange, hot and dense hadronic environment using a chiral effective model. The chiral $SU(3)$ model originally designed for the…

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

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

We study the temperature and baryon density dependence of the masses of the lightest charmed baryons $\Lambda_c$, $\Sigma_c$ and $\Sigma^*_c$. We also look at the effects of the temperature and baryon density on the binding energies of the…

High Energy Physics - Phenomenology · Physics 2018-12-26 T. F. Caramés , C. E. Fontoura , G. Krein , J. Vijande , A. Valcarce

This dissertation investigates exotic hadrons with heavy-quark content that may be understood as being generated dynamically from the hadron-hadron interaction. This interaction is derived from a suitable effective Lagrangian and properly…

High Energy Physics - Phenomenology · Physics 2022-07-25 Glòria Montaña

Starting with the Strongly Correlated Quark Model of a hadron structure, SCQM, we demonstrate how the properties of mesons and baryons are modified in a hot and dense nuclear environment. These in-medium modifications can lead to the…

Nuclear Theory · Physics 2019-05-01 G. Musulmanbekov

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

Theoretical and experimental studies of hot and/or dense matter, such as is created in high-energy heavy-ion collisions, and encountered in compact objects in astrophysics, constitute one of the most active frontiers in nuclear physics. In…

Nuclear Theory · Physics 2007-05-23 G. Q. Li

We review the effect of hadron structure changes in a nuclear medium using the quark-meson coupling (QMC) model, which is based on a mean field description of non-overlapping nucleon (or baryon) bags bound by the self-consistent exchange of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Saito , K. Tsushima , A. W. Thomas

The hadronization cross section in a quark plasma at finite temperature and density is calculated in the framework of Nambu--Jona-lasinio model with explicit chiral symmetry breaking. In apposition to the familiar temperature effect, the…

Nuclear Theory · Physics 2019-08-17 P. Zhuang , M. Huang , Z. Yang

We study hadronic molecules formed by a heavy meson and a nucleon, DN and D*N (BbarN and Bbar*N) systems. Respecting the heavy quark symmetry and chiral symmetry, we consider the DN-D*N (BbarN-Bbar*N$) mixing induced by the one boson…

High Energy Physics - Phenomenology · Physics 2019-08-08 Yasuhiro Yamaguchi , Shunsuke Ohkoda , Shigehiro Yasui , Atsushi Hosaka

In this work we study the properties of hadronic molecules in the heavy-quark sector. These have become increasingly important since from the beginning of this century a large number of states have been measured that for different reasons…

High Energy Physics - Phenomenology · Physics 2014-05-19 Martin Cleven

We discuss selected and important features of hadronic molecules as one of promising forms of exotic hadrons near thresholds. Using examples of $D \bar D^*$ systems such as $X(3872)$ and $Z_c$, emphasis is put on the roles of the one pion…

High Energy Physics - Phenomenology · Physics 2020-05-28 Yasuhiro Yamaguchi , Atsushi Hosaka , Sachiko Takeuchi , Makoto Takizawa

We study the effect of temperature (T) and baryon density ({\mu}) dependent hadron masses on the thermodynamics of hadronic matter. We use linear scaling rule in terms of constituent quark masses for all hadrons except for light mesons. T…

High Energy Physics - Phenomenology · Physics 2016-02-24 Guru Prakash Kadam , Hiranmaya Mishra

We study the $N \bar D$ system by means of a chiral constituent quark model. This model, tuned in the description of the baryon and meson spectra as well as the $NN$ interaction, provides parameter-free predictions for the charm -1…

High Energy Physics - Phenomenology · Physics 2012-05-21 T. F. Carames , A. Valcarce

We study the properties of heavy mesons using a unitarized approach in a hot pionic medium, based on an effective hadronic theory. The interaction between the heavy mesons and pseudoscalar Goldstone bosons is described by a chiral…

High Energy Physics - Phenomenology · Physics 2019-10-04 Gloria Montaña , Angels Ramos , Laura Tolos

We present selected results on the properties of strange and heavy-flavoured mesons in a hot and dense nuclear medium, with emphasis in selfconsistent coupled-channel approaches based on the chiral Lagrangian. In the strangeness sector, we…

Some of the modifications that a thermal medium, of the type generated in heavy ion collision experiments at the LHC, may impose on the properties of hadrons, are reviewed. The focus is on hadrons containing at least one heavy quark (charm…

High Energy Physics - Phenomenology · Physics 2011-08-31 M. Laine

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 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

The masses of open bottom mesons ($B$($B^+$,$B^0$), $\bar{B}$($B^-$,$\bar{B^0}$), $B_s$(${B_{s}}^0$, $\bar{{B_s}^0}$)) and upsilon states ($\Upsilon(1S)$, $\Upsilon(2S)$, $\Upsilon(3S)$, $\Upsilon(4S)$, and $\Upsilon(1D)$) are investigated…

High Energy Physics - Phenomenology · Physics 2022-06-14 Amal Jahan C. S. , Amruta Mishra
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