Thermal behavior of the mass and residue of hyperons
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CitationAzizi, K., & Kaya, G. (2016). Thermal behavior of the mass and residue of hyperons. Journal of Physics G-Nuclear and Particle Physics, 43(5), 1-25, https://dx.doi.org/10.1088/0954-3899/43/5/055002
We investigate the mass and residue of Sigma, Lambda and Xi hyperons at finite temperature in the framework of thermal QCD sum rules. In our calculation, we take into account the additional operators coming up at finite temperature. We find the temperature-dependent continuum threshold for each hyperon using the obtained sum rules for their mass and residue. The numerical results demonstrate that the mass and residue of the particles under consideration remain stable up to a certain temperature, after which they decrease by increasing the temperature.