TY - JOUR AU - Dobado González, Antonio AU - Llanes Estrada, Felipe José PY - 2007 DO - 10.1140/epjc/s10052-006-0176-4 SN - 1434-6044 UR - https://hdl.handle.net/20.500.14352/50720 T2 - European Physical Journal C AB - We evaluate the ratio of shear viscosity to entropy density in a pion gas employing the Uehling-Uehlenbeck equation and experimental phase-shifts parameterized by means of the SU(2) inverse amplitude method. We find that the ratio for this... LA - eng M2 - 1011 PB - Springer KW - Physics KW - Particles KW - Fields TI - The ratio of viscosity to entropy density in a pion gas satisfies the KSS holographic bound TY - journal article VL - 49 ER -