Published January 1, 2008
| Version v1
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Thermal QCD sum rules for sigma(600) meson
Creators
- 1. Kocaeli Univ, Dept Phys, TR-41380 Umuttepe Yerleskesi, Izmit, Turkey
- 2. Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey
Description
In the present work, the temperature dependence of the scalar meson parameters is investigated in the framework of thermal QCD sum rules. We calculate the 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 the scalar sigma(600) meson is calculated.
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