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Related papers: D-mesons: In-medium effects at FAIR

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We categorize general messenger and matter interactions in gauge-mediated SUSY breaking models by an R-parity for the messengers and study their phenomenological consequences. The new interactions may induce baryon- and lepton-number…

High Energy Physics - Phenomenology · Physics 2009-10-31 Tao Han , Ren-Jie Zhang

We estimate the energy density pile-up at mid-rapidity in central Pb+Pb collisions from 2 - 200 GeV/nucleon. The energy density is decomposed into hadronic and partonic contributions. A detailed analysis of the collision dynamics in the…

Nuclear Theory · Physics 2009-10-31 H. Weber , C. Ernst , M. Bleicher , L. Bravina , H. Stoecker , W. Greiner , C. Spieles , S. A. Bass

The experimental determination of freeze-out temperatures and densities from the yields of light elements emitted in heavy ion collisions is discussed. Results from different experimental approaches are compared with those of model…

The invariant mass spectra of dileptons radiated from the fireballs formed in high-energy heavy-ion collisions have been successfully used to investigate the properties of hot and dense QCD matter. Using a realistic model for the in-medium…

We compute the masses of the pseudoscalar mesons $\pi^+$ , $K^0$ and $D^+$ at finite temperature and baryon chemical potential. The computations are based on a symmetry- preserving Dyson-Schwinger equation treatment of a vector-vector four…

Nuclear Theory · Physics 2017-03-27 Fernando E. Serna , Gastão Krein

Phi meson-baryon cross sections, estimated within a one-boson-exchange model, serve as input for a calculation of the collision rates in hot hadronic matter. We find that the width of the \phi meson is modified through collisions with…

Nuclear Theory · Physics 2016-09-08 Wade Smith , Kevin L. Haglin

The medium modifications of antikaons in dense matter are studied in a coupled channel calculation for scenarios more closely related to the environment encountered in heavy-ion collisions. We find that the optical potential of the…

Nuclear Theory · Physics 2014-11-18 J. Schaffner-Bielich , V. Koch , M. Effenberger

We consider strong interactions at finite density in mean field theory, through an effective lagrangian that can describe both nuclear matter and quark matter. This lagrangian has three couplings that are all fixed by experiment and no…

High Energy Physics - Phenomenology · Physics 2007-05-23 Vikram Soni , Dipankar Bhattacharya

We present a holographic description of the thermal behavior of $ b \bar b$ heavy vector mesons inside a plasma at finite temperature and density. The meson dissociation in the medium is represented by the decrease in the height of the…

High Energy Physics - Phenomenology · Physics 2017-10-10 Nelson R. F. Braga , Luiz F. Ferreira

The nucleus-nucleus potential is calculated in the frame work of the double folding model (DFM) to obtain the Coulomb barrier parameters (barrier position and height), starting from M3Y-Reid nucleon-nucleon interaction and realistic nuclear…

Nuclear Theory · Physics 2020-01-22 M. Ismail , A. Y. Ellithi , A. Adel , A. R. Abdulghany

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

The mixing of $S-D$ partial waves for the heavy meson pairs in the decays $\Upsilon(5S) \to [B^* \bar B+ {\rm c.c.}] \pi$ and $\Upsilon(5S) \to B^* \bar B^* \pi$ is considered. It is argued that this mixing, enhanced by the heavy meson…

High Energy Physics - Phenomenology · Physics 2013-04-17 M. B. Voloshin

We obtain the RPA summed one-meson exchange potential between nucleons in symmetric nuclear matter at zero temperature, from a model which includes $\rho $, $\sigma $, $\omega $ and $\pi $ mesons. The behavior of rho mesons inside the…

Nuclear Theory · Physics 2007-05-23 L. Mornas , E. Gallego , A. Perez

We study the perspectives of resonant and nonresonant charmed meson production in $\bar{p} + A$ reactions within the Multiple Scattering Monte Carlo (MSMC) approach. We calculate the production of the resonances $\Psi(3770), \Psi(4040)$ and…

Nuclear Theory · Physics 2016-09-08 Ye. S. Golubeva , W. Cassing , L. A. Kondratyuk

The dynamics of nuclear reaction in plasma is a fundamental issue in many high energy density researches, such as the astrophysical reactions and the inertial confinement fusion. The effective reaction cross-sections and ion stopping power…

We investigate the structure and formation of charmed meson--nucleus systems, with the aim of understanding the charmed meson--nucleon interactions and the properties of the charmed mesons in the nuclear medium. The $\bar{D}$ mesic nuclei…

Nuclear Theory · Physics 2016-02-17 J. Yamagata-Sekihara , C. Garcia-Recio , J. Nieves , L. L. Salcedo , L. Tolos

In this work, we investigate the behavior of the light vector \(\rho\) meson in the presence of a symmetric nuclear medium at zero temperature. We calculate the mass and decay constant of the $\rho$-meson as well as the leading twist…

High Energy Physics - Phenomenology · Physics 2026-01-19 Anshu Gautam , Tanisha , Satyajit Puhan , Arvind Kumar , Harleen Dahiya

We study generic properties of strongly interacting matter at finite density as relevant to heavy-ion collisions at moderate beam energies or the physics of neutron stars and their mergers. Because of the fermion-sign problem in lattice…

High Energy Physics - Lattice · Physics 2017-02-02 Björn H. Wellegehausen , Lorenz von Smekal

$D_s$ mesons are studied in three quantum channels ($J^P=0^+$, $1^+$ and $2^+$), where experiments have identified the very narrow $D_{s0}^*(2317)$, $D_{s1}(2460)$ and narrow $D_{s1}(2536)$, $D_{s2}^*(2573)$. We explore the effect of nearby…

High Energy Physics - Lattice · Physics 2014-09-05 C. B. Lang , Luka Leskovec , Daniel Mohler , Sasa Prelovsek , R. M. Woloshyn

We consider gauge/gravity duality with flavor for the finite-temperature field theory dual of the AdS-Schwarzschild black hole background with embedded D7-brane probes. In particular, we investigate spectral functions at finite baryon…

High Energy Physics - Theory · Physics 2009-05-27 Johanna Erdmenger , Matthias Kaminski , Felix Rust