Pion Velocity near the Chiral Phase Transition Point in the Vector Manifestation

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dc.creatorHarada, Masayasu
dc.creatorRho, Mannque
dc.creatorSasaki, Chihiro
dc.date2005-06-09
dc.date.accessioned2026-07-07T03:55:05Z
dc.date.available2026-07-07T03:55:05Z
dc.descriptionWe study the pion velocity near the critical temperature $T_c$ of chiral symmetry restoration in QCD. Using chiral perturbation theory based on hidden local symmetry (HLS) as an effective field theory, where the chiral symmetry restoration is realized as the vector manifestation (VM), we show that the pion velocity for $T \to T_c$ is close to the speed of light, $v_π(T) = 0.83 - 0.99$ which is at variance with the sigma model result which predicts $v_π(T_c) = 0$. Our prediction on $v_π(T_c)$ is compared with the value extracted from the recent RHIC data.
dc.descriptionContribution to the proceedings of the YITP workshop on Non-equilibrium dynamics in the QCD phase transitions, February 22 - 24, 2005, YITP, Kyoto, Japan
dc.identifierhttps://arxiv.org/abs/hep-ph/0506092
dc.identifierhttp://arxiv.org/abs/hep-ph/0506092
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/44431
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titlePion Velocity near the Chiral Phase Transition Point in the Vector Manifestation
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