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Using the quark-meson coupling (QMC) model, we study the density dependence of the quark and gluon condensates in nuclear matter. We show that the change of the quark condensate is mainly driven by the scalar field in the medium and that…

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

The statistical model of the hadron as a quarkonium system suggests the dimensional dependence of some of the properties of the hadron like the scaling in its probability density with the anomalous dimension as the exponent,the…

High Energy Physics - Phenomenology · Physics 2010-11-18 S. Mukherjee , S. N. Banerjee

Confinement indicates an asymptotic quark state not observable except its energy is zero. Unitarity indicates that the total probability of a definite state of quark system to transit to any final state is exactly one. This talk reviews…

High Energy Physics - Phenomenology · Physics 2011-06-02 LI Shi-Yuan

Using a self-consistent quark model for nuclear matter we investigate variations of the masses of the non-strange vector mesons, the hyperons and the nucleon in dense nuclear matter (up to four times the normal nuclear density). We find…

Nuclear Theory · Physics 2008-11-26 K. Saito , A. W. Thomas

Quantum Hadrodynamics provides a useful framework for investigating dense matter, yet it breaks down easily when strangeness carrying baryons are introduced into the calculations, as the baryon effective masses become negative due to large…

High Energy Physics - Phenomenology · Physics 2015-05-20 J. D. Carroll

The increase in strangeness production with charged particle multiplicity, as seen by the ALICE collaboration at CERN in p-p, p-Pb and Pb-Pb collisions, is investigated in the hadron resonance gas model taking into account interactions…

High Energy Physics - Phenomenology · Physics 2021-01-27 Jean Cleymans , Pok Man Lo , Krzysztof Redlich , Natasha Sharma

Hadronization, the process by which energetic quarks evolve into hadrons, has been studied phenomenologically for decades. However, little experimental insight has been gained into the space-time features of this fundamentally…

Nuclear Experiment · Physics 2007-05-23 W. K. Brooks

Quark counting rules derived from recombination models agree well with data on hadron production at intermediate transverse momenta in relativistic heavy-ion collisions. They convey a simple picture of hadrons consisting only of valence…

Nuclear Theory · Physics 2008-11-26 B. Muller , R. J. Fries , S. A. Bass

The $\phi$ meson and $\Omega$ baryon provide unique probes of the properties of the quark-gluon plasma (QGP) at hadronization in relativistic heavy-ion collisions. Using the quark recombination model with the quark phase-space information…

Nuclear Theory · Physics 2024-04-18 Zhidong Yang , Yifeng Sun , Lie-Wen Chen

Hadron production in lepton-nucleus deep inelastic scattering is studied in a model including quark energy loss and nuclear absorption. The leading-order computations for hadron multiplicity ratios are presented and compared with the…

High Energy Physics - Phenomenology · Physics 2013-10-22 Li-Hua Song , Na Liu , Chun-Gui Duan

We review the quark coalescence model for hadronization in relativistic heavy ion collisions and show how it can explain the observed large baryon to meson ratio at intermediate transverse momentum and scaling of the elliptic flows of…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko

We construct an effective model for the QCD equation of state, taking into account chiral symmetry restoration as well as the deconfinement phase transition. The correct asymptotic degrees of freedom at the high and low temperature limits…

High Energy Physics - Phenomenology · Physics 2011-01-28 J. Steinheimer , S. Schramm , H. Stöcker

We show how the introduction of a finite baryon density may trigger spontaneous parity violation in the hadronic phase of QCD. Since this involves strong interaction physics in an intermediate energy range we approximate QCD by a \sigma…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. A. Andrianov , D. Espriu

Measured hadron yields from relativistic nuclear collisions can be equally well understood in two physically distinct models, namely a static thermal hadronic source vs.~a time-dependent, nonequilibrium hadronization off a quark-gluon…

Nuclear Theory · Physics 2011-09-13 C. Spieles , H. Stoecker , C. Greiner

Using a simple model, a new sphaleron solution which incorporates finite fermionic density effects is obtained. The main result is that the height of the potential barrier (sphaleron energy) decreases as the fermion density increases. This…

High Energy Physics - Theory · Physics 2009-12-30 Andre Roberge

In this talk we discuss the results obtained in the new approach that we recently introduced to consider and include both the perturbative and nonperturbative contributions to the evolution of the gluon and quark avarage multiplicities. We…

High Energy Physics - Phenomenology · Physics 2012-11-26 P. Bolzoni

We investigate properties of strongly interacting matter in a schematic model, based on the combined degrees of freedom of a non-interacting hadronic phase and a non-interacting deconfined phase. It is found that in a finite system both…

High Energy Physics - Phenomenology · Physics 2020-01-20 Christian Spieles , Marcus Bleicher , Carsten Greiner

In the framework of an extended bag model the magnetic moments, M1 transition moments, and decay widths of all ground-state heavy hadrons are calculated. For the heavy baryons containing three quarks of different flavors the effect of…

High Energy Physics - Phenomenology · Physics 2018-04-06 Vytautas Simonis

A formalism for hadron production at high \pt in heavy-ion collisions has been developed such that all partons hadronize by recombination. The fragmentation of a hard parton is accounted for by the recombination of shower partons that it…

Nuclear Theory · Physics 2009-11-10 Rudolph C. Hwa , C. B. Yang

A quark coalescence model is presented based on semi-relativistic molecular dynamics with color interactions among quarks taken into account and applied to $pp$ collisions to study the effects of this model. A phenomenological potential…

High Energy Physics - Phenomenology · Physics 2019-05-22 Guang-Lei Li , Chun-Bin Yang