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Abstract: We announce the public release of the -dark- stellar evolution codeDarkStars. The code simultaneously solves the equations of WIMP capture andannihilation in a star with those of stellar evolution assuming approximatehydrostatic equilibrium. DarkStars includes the most extensive WIMPmicrophysics of any dark evolution code to date. The code employs detailedtreatments of the capture process from a range of WIMP velocity distributions,as well as composite WIMP distribution and conductive energy transport schemesbased on the WIMP mean-free path in the star. We give a brief description ofthe input physics and practical usage of the code, as well as examples of itsapplication to dark stars at the Galactic centre.



Author: Pat Scott, Joakim Edsjö, Malcolm Fairbairn

Source: https://arxiv.org/







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