Comment on: Non-perturbative finite T broadening of the rho meson and dilepton emission in heavy ion-collisions (by J. Ruppert and T. Renk Phys. Rev. C71 (2005) 064903; nucl-th/0412047
Felix Riek, Hendrik van Hees, Jörn Knoll
Abstract
In this comment we point out several problems concerning kinematical singularities which are encountered in the calculation of the dilepton rates in Ruppert:2004yg. We also comment on the method introduced in vanHees:2000bp and further used in refs. Riek:2004kx,Renk:2006dt,Renk:2006ax,Ruppert:2004yg
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