Cooling of Quark Stars in the Color Superconductive Phase Effect of Photons from Glueball d.pdfVIP

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Cooling of Quark Stars in the Color Superconductive Phase Effect of Photons from Glueball d.pdf

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Cooling of Quark Stars in the Color Superconductive Phase Effect of Photons from Glueball d

a Mon. Not. R. Astron. Soc. 000, 1–7 (2005) Printed 2 February 2008 (MN LT X style ﬁle v2.2) E Cooling of Quark Stars in the Color Superconductive Phase: Effect of Photons from Glueball decay 1,2 3 3 Rachid Ouyed , M. J. Hamp , and S. C. Woodworth 1 Department of Physics and Astronomy, University of Calgary, 2500 University Drive NW, Calgary, Alberta, T2N 1N4 Canada 5 2 Canadian Institute for Theoretical Astrophysics, 60 St. George Street, Toronto, ON M5S 1A7, Canada 0 3 Department of Engineering Physics, McMaster University, Hamilton, Canada 0 2 c Released 2005 Xxxxx XX e D ABSTRACT 1 The cooling history of a quark star in the color superconductive phase is investigated. Here we 2 speciﬁcally focus on the 2-ﬂavour color (2SC) phase where novel process of photon genera- v tion via glueball (GLB) decay have been already investigated (Ouyed Sannino 2001). The 0 picture we present here can in principle be generalized to quark stars entering a superconduc- 9 tive phase where similar photon generation mechanisms are at play. As much as 1045 − 1047 3 erg of energy is provided by the GLB decay in the 2SC phase. The generated photons slowly 4 diffuse out of the quark star keeping it hot and radiating as a black-body (with possibly a 0 Wien spectrum i