Limit Temperatures for Meson and Diquark Resonances in a Strongly Interacting Quark Matter

Details Limit Temperatures for Meson and Diquark Resonances in a Strongly Interacting Quark Matter Limit Temperatures for Meson and Diquark Resonances in a Strongly Interacting Quark Matter

2005-11-26

arxiv.org/abs/hep-ph/0511300v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 figures

Scientific paper

We investigate mesons and diquarks as resonant states above chiral critical temperature $T_c$ in flavor SU(2) Nambu--Jona-Lasinio model. For each kind of resonance, we solve the pole equation for the resonant mass in the complex energy plane, and find an ultimate temperature where the pole starts to disappear. The phase diagram including these limit temperatures in $T-\mu$ plane is obtained. The maximum limit temperature at $\mu=0$ is approximately two times $T_c$.

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