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Related papers: Finite temperature effects on the antikaon optical…

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We investigate possible finite-volume effects on baryon number susceptibilities of strongly interacting matter. Assuming that a hadronic and a deconfined phase both contribute to the thermodynamic state of a finite system due to…

Nuclear Theory · Physics 2019-01-04 Christian Spieles , Marcus Bleicher , Carsten Greiner

We revisit the problem of the production of light atomic nuclei in ultrarelativistic heavy-ion collisions. While their production systematics is well produced by hadro-chemical freezeout at temperatures near the QCD pseudo-critical…

Nuclear Theory · Physics 2019-06-05 Xinyuan Xu , Ralf Rapp

It is shown that the momentum-dependent kaon-antikaon interactions generated via vector meson exchange from the standard SU_V(3) x SU_A(3) interaction Lagrangian lead to a non-local potential in coordinate space that can be incorporated…

High Energy Physics - Phenomenology · Physics 2009-10-29 R. H. Lemmer

We have computed finite temperature corrections to the electron-hadron scattering cross sections. These are based upon the renormalized electron mass and the modified density of states due to the presence of a background thermal bath. It is…

Astrophysics · Physics 2009-10-30 In-Saeng Suh , G. J. Mathews

Properties of multi-antikaonic nuclei (MKN), where several numbers of $K^-$ mesons are bound, are studied in the relativistic mean-field model, combined with chiral dynamics for kaonic part of the thermodynamic potential. The density…

Nuclear Theory · Physics 2009-04-28 Takumi Muto , Toshiki Maruyama , Toshitaka Tatsumi

We investigate $K^-$ and $\bar K^0$ condensation in $\beta$-equilibrated hyperonic matter within a density dependent hadron field theoretical model. In this model, baryon-baryon and (anti)kaon-baryon interactions are mediated by the…

Astrophysics · Physics 2009-11-07 Sarmistha Banik , Debades Bandyopadhyay

From experimental observations of limiting temperatures in heavy ion collisions we derive Tc, the critical temperature of infinite nuclear matter. The critical temperature is 16.6 +- 0.86 MeV. Theoretical model correlations between Tc, the…

Nuclear Experiment · Physics 2009-11-07 J. B. Natowitz , K. Hagel , Y. Ma , M. Murray , L. Qin , R. Wada , J. Wang

Experimental data on the production of kaons and antikaons in heavy ion collisions at relativistic energies are reviewed with respect to in-medium effects. The $K^-/K^+$ ratios measured in nucleus-nucleus collisions are 1 - 2 orders of…

Nuclear Experiment · Physics 2015-06-26 P. Senger

In the high-temperature quark-gluon plasma and its subsequent hadronic matter created in a high-energy nucleus-nucleus collision, the quark-antiquark potential depends on the temperature. The temperature-dependent potential is expected to…

High Energy Physics - Phenomenology · Physics 2015-07-13 Zhen-Yu Shen , Xiao-Ming Xu

We investigate the condensation of charged $K^-$ meson and neutral $\bar K^0$ meson in dense neutron star matter. Calculations are performed in relativistic mean field models in which both the baryon-baryon and (anti)kaon-baryon…

Astrophysics · Physics 2009-10-31 Subrata Pal , Debades Bandyopadhyay , Walter Greiner

The properties of strange mesons ($K$, $\bar K$ and $\bar K^*$) in dense matter are studied using a unitary approach in coupled channels for meson-baryon scattering. The kaon-nucleon interaction incorporates $s$- and $p$-wave contributions…

Nuclear Theory · Physics 2011-03-10 L. Tolos , D. Cabrera , R. Molina , E. Oset , A. Ramos

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…

Nuclear response theory beyond the one-loop approximation is formulated for the case of finite temperature. For this purpose, the time blocking approximation to the time-dependent part of the in-medium nucleon-nucleon interaction amplitude…

Nuclear Theory · Physics 2018-08-29 Elena Litvinova , Herlik Wibowo

The equation of state of a baryon-symmetric hadronic matter with hard-sphere interactions is studied. It is assumed that mesons are point-like, but baryons and antibaryons have the same hard-core radius rB. Three possibilities are…

Nuclear Theory · Physics 2017-02-15 L. M. Satarov , V. Vovchenko , P. Alba , M. I. Gorenstein , H. Stoecker

An alternative, to the commonly used blast-wave, model describing the freeze-out hypersurface is applied to fit the $p_{T}$-spectra of identified hadrons measured at relativistic heavy-ion collisions at $\sqrt{s_{NN}}=62.4, 130$ and 200…

Nuclear Theory · Physics 2014-11-18 Dariusz Prorok

We use the Paris nucleon-antinucleon optical potential for explanation of experimental data in the process $e^+e^- \to p\bar p$ near threshold. It is shown that the cross section and the electromagnetic form factors are very sensitive to…

Nuclear Theory · Physics 2008-11-26 V. F. Dmitriev , A. I. Milstein

We discuss a relation between the QCD thermodynamics obtained from a statistical analysis of particle production in heavy ion collisions at SPS and RHIC energies and recent LGT results at finite chemical potential. We show that basic…

Nuclear Theory · Physics 2016-09-08 K. Redlich , F. Karsch , A. Tawfik

We study the equation of state (EOS) of kaon-condensed matter including the effects of temperature and trapped neutrinos. It is found that the order of the phase transition to a kaon-condensed phase, and whether or not Gibbs' rules for…

Nuclear Theory · Physics 2009-11-06 J. A. Pons , S. Reddy , P. J. Ellis , M. Prakash , J. M. Lattimer

Following the idea of nucleon clustering and light-nuclei production in relativistic heavy-ion collisions close to the QCD critical-end point, we address the quantum effects affecting the interaction of several nucleons at finite…

Nuclear Theory · Physics 2020-04-01 Edward Shuryak , Juan M. Torres-Rincon

We investigate an effective relativistic equation of state at finite values of temperature and baryon chemical potential with the inclusion of the full octet of baryons, the Delta-isobars and the lightest pseudoscalar and vector meson…

Nuclear Theory · Physics 2013-11-14 A. Lavagno