Sensitivity of the chiral phase transition of QCD to the scalar meson sector

Details Sensitivity of the chiral phase transition of QCD to the scalar meson sector Sensitivity of the chiral phase transition of QCD to the scalar meson sector

2005-09-14

arxiv.org/abs/hep-ph/0509150v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures, presented at the Gribov-75 Memorial Workshop on Quarks, Hadrons, and Strong Interactions, Budapest, Hunga

Scientific paper

Gribov's theory of light quark confinement implies the existence of two kinds of scalar bound states. The phase diagram of the three-flavor QCD is mapped out in the (m_pi-m_K)-plane with help of the SU_L(3)xSU_R(3) linear sigma model supplemented with the assumption that the masses of the so-called superbound scalars do not change under the variation of the pion and kaon mass. The phase boundary along the m_pi=m_K line is found in the interval 15 MeV

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