Publication: Large-n pion scattering, finite-temperature effects and the relationship of the f(0)(500) with chiral symmetry restoration
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2016
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Polska Akademia Nauk, Instytut Fizyki
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Abstract
In this work, we review how the mass and the width of the f(0)(500) pole behave in a regime where temperature is below the critical chiral transition value. This is attained by considering a large-N O(N +1)/O(N) invariant Nonlinear Sigma Model (NLSM) such that we can study the dynamical generation of an f(0)(500) resonance. Introducing thermal effects via the imaginary time formalism allows us to study the behavior of the pole and relate it to chiral restoration.
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© Polska Akademia Nauk, Instytut Fizyki.
International Meeting on Excited QCD (eQCD 2016)(2016. Costa da Caparica, Portugal)
We acknowledge financial support by Spanish research projects FPA2014- 53375-C2-2-P and FIS2014-5706-REDT; Santiago Cortés acknowledges Univ. de los Andes and COLCIENCIAS.