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

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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 $T-μ$ plane is obtained. The maximum limit temperature at $μ=0$ is approximately two times $T_c$.
5 pages, 3 figures

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High Energy Physics - Phenomenology, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/104591

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0511300
 http://arxiv.org/abs/hep-ph/0511300

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arXiv