Thermal QCD Sum Rules for sigma(600) Meson

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In the present work, the temperature dependence of the scalar mesons parameters is investigated in the framework of thermal QCD sum rules. We calculate sigma-pole and the non-resonant two-pion continuum contributions to the spectral density. Taking into account additional operators appearing at finite temperature, the thermal QCD sum rules are derived. The temperature dependence of the shifts in the mass and leptonic decay constant of scalar sigma(600) meson is calculated.
10 pages, 2 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/203962

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.2213
 http://arxiv.org/abs/0806.2213
 J.Phys.G35:125002,2008
 doi:10.1088/0954-3899/35/12/125002

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arXiv