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Neutrino emissivity of quark matter at finite temperatures
Authors:V K Gupta  A Wadhwa  J D Anand
Affiliation:(1) Department of Physics and Astrophysics, University of Delhi, 110 007 Delhi, India;(2) S.G.T.B. Khalsa College, University of Delhi, 110 007 Delhi, India
Abstract:We evaluate the emissivity rates for d-decay and s-decay by exactly solving the angular integrals involved and without assuming the degeneracy of electrons. We have also studied the effects of QCD coupling constant as well as the s-quark mass on the emissivity rates. We find that these parameters are important in determining the threshold and extinction densities for d- and s-decays.
Keywords:Quark stars  bag model  emissivity rate  mean free path
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