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Particle states of lattice QCD

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Nov 2017Embargo end date: 01 Jan 2017 English Publisher:Springer Science and Business Media LLCJournal:The European Physical Journal C, volume 77 (issn: 1434-6044, eissn: 1434-6052,

Authors: Kapoyannis, A.S.; Panagiotou, A.D.;

doi: 10.1140/epjc/s10052-017-5265-z , 10.48550/arxiv.1705.00291

arXiv: http://arxiv.org/abs/1705.00291

Particle states of lattice QCD

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Abstract

We determine the degeneracy factor and the average particle mass of particles that produce the Lattice QCD pressure and specific entropy at zero baryon chemical potential. The number of states of the gluons and the quarks are found to converge above $T=$230 MeV to almost constant values, close to the number of states of an ideal Quark-Gluon Phase, while their assigned masses retain high values. The number of states and the average mass of a system containing quarks in interaction with gluons are found to decrease steeply with increase of temperature between $T \sim 150$ and 160 MeV, a region contained within the region of the chiral transition. The minimum value of the number of states within this temperature interval indicates that the states are of hadronic nature.

21 pages, 18 figures

Related Organizations

National and Kapodistrian University of Athens
Greece
University of Athens
Greece

Keywords

QB460-466, High Energy Physics - Phenomenology, High Energy Physics - Lattice, High Energy Physics - Phenomenology (hep-ph), Nuclear and particle physics. Atomic energy. Radioactivity, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences, QC770-798, Astrophysics

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