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We investigate the equation of state of hadronic matter at finite values of baryon density and temperature reachable in high energy heavy ion collisions. The analysis is performed by requiring the Gibbs conditions on the global conservation…

Nuclear Theory · Physics 2010-05-19 A. Lavagno

We study the hadron production at finite values of temperature and baryon density by means of an effective relativistic mean-field model with the inclusion of the full octet of baryons, the Delta-isobar degrees of freedom and the lightest…

Nuclear Theory · Physics 2012-02-16 A. Lavagno

We compute baryon and electric charge deposition in high-energy heavy-ion collisions using the Color Glass Condensate (CGC) Effective Field Theory, where at leading order charge is deposited through multiple scatterings of valence quarks…

High Energy Physics - Phenomenology · Physics 2025-02-19 Oscar Garcia-Montero , Sören Schlichting

We consider the string breaking phenomenon within effective string models which purport to mimic QCD with two light flavors, with a special attention to baryon modes. We make some estimates of the string breaking distances at zero and…

High Energy Physics - Phenomenology · Physics 2020-05-13 Oleg Andreev

We give a brief review of modern theoretical understanding of the physics of QCD at finite temperature and density. We concentrate in particular on the properties of hadron gas at relatively small temperatures and discuss in details the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Smilga

The effect of baryon density on parton production processes of $gg\rightleftharpoons ggg$ and $gg\rightleftharpoons q{\bar q}$ is studied using full phase space distribution function and also with inclusion of quantum statistics i.e. Pauli…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Dutta , A. K. Mohanty , K. Kumar , R. K. Choudhury

We show that the effect of finite acceptance drastically influences the net-baryon and net-charge cumulants, which are believed to be sensitive probes of the QCD phase diagram. We derive the general formulae that relate the true cumulants…

Nuclear Theory · Physics 2013-05-30 Adam Bzdak , Volker Koch

We argue that the main features of baryon and anti-baryon enhancement observed by the WA97 collaboration can be described using canonical formulation of strangeness conservation. Within this formulation strangeness enhancement could be…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Redlich , A. Tounsi

We perform a systematic study of the masses of charmed and bottom baryons in the framework of the QCD sum rule approach. Contributions of the operators up to dimension six are included in operator product expansion. The resulting heavy…

High Energy Physics - Phenomenology · Physics 2009-02-10 Jian-Rong Zhang , Ming-Qiu Huang

We introduce a new approach to analyze the phase diagram of QCD at finite chemical potential and temperature, test it in the Gross-Neveu model at finite baryon density, and apply it to the study of the chemical potential-temperature phase…

High Energy Physics - Lattice · Physics 2008-11-26 Vicente Azcoiti , Giuseppe Di Carlo , Angelo Galante , Victor Laliena

We use a unitary operator constructed in earlier work to transform the Hamiltonian for QCD in the temporal ($A_0=0$) gauge into a representation in which the quark field is gauge-invariant, and its elementary excitations -- quark and…

High Energy Physics - Theory · Physics 2009-10-30 Mario Belloni , Lusheng Chen , Kurt Haller

In the large N_c limit, some apparently different gauge theories turn out to be equivalent due to large N_c orbifold equivalence. We use effective field theory techniques to explore orbifold equivalence, focusing on the specific case of a…

High Energy Physics - Theory · Physics 2015-03-19 Aleksey Cherman , Brian C. Tiburzi

We study the properties of QCD at high baryon density in a finite volume where color superconductivity occurs. We derive exact sum rules for complex eigenvalues of the Dirac operator at finite chemical potential, and show that the Dirac…

High Energy Physics - Phenomenology · Physics 2009-07-15 Naoki Yamamoto , Takuya Kanazawa

The distributions of the quark number and chiral condensate over the gauge fields are computed for QCD in Euclidean space at nonzero quark chemical potential. As both operators are non-hermitian the distributions are in the complex plane.…

High Energy Physics - Lattice · Physics 2014-11-20 M. P. Lombardo , K. Splittorff , J. J. M. Verbaarschot

We present results on the second-order fluctuations of and correlations among net baryon number, electric charge and strangeness in (2+1)-flavor lattice QCD in the presence of a background magnetic field. Simulations are performed using the…

High Energy Physics - Lattice · Physics 2021-07-14 H. -T. Ding , S. -T. Li , Q. Shi , X. -D. Wang

The different phases of QCD at finite temperature and density lead to interesting effects in cosmology and astrophysics. In this work I review some aspects of the cosmological QCD transition and of astrophysics at high baryon density.

High Energy Physics - Phenomenology · Physics 2009-10-31 Dominik J. Schwarz

Using two-color lattice QCD with Wilson fermions, we report a study of the finite baryon number density system with two-flavors. First we investigate the Polyakov line and thermodynamical uantities in the $(\kappa,\mu)$ plane, where…

High Energy Physics - Lattice · Physics 2016-09-01 Shin Muroya , Atsushi Nakamura , Chiho Nonaka

Applications of QCD sum-rule methods to the physics of nuclei are reviewed, with an emphasis on calculations of baryon self-energies in infinite nuclear matter. The sum-rule approach relates spectral properties of hadrons propagating in the…

High Energy Physics - Phenomenology · Physics 2016-09-01 T. D. Cohen , R. J. Furnstahl , D. K. Griegel , Xuemin Jin

We study QCD-like theories with pseudoreal fermions at finite baryon density. Such theories include two-color QCD with quarks in the fundamental representation of the color group as well as any-color QCD with quarks in the adjoint color…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. B. Kogut , M. A. Stephanov , D. Toublan , J. J. M. Verbaarschot , A. Zhitnitsky

We present a systematic QCD sum-rule analysis of the in-medium properties of the charged kaon doublet $K^{\pm}$ over the full $(T,\rho)$ plane relevant to current and forthcoming heavy-ion experiments. Working within the QCD sum-rule…

High Energy Physics - Phenomenology · Physics 2026-05-14 K. Azizi , G. Bozkır , N. Er , A. Türkan
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