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Head-on/Near Head-on Collisions of Neutron Stars With a Realistic EOS

Edwin Evans·A. Gopakumar·Philip Gressman·Sai Iyer·Mark Miller·Wai-Mo Suen·Hui-Min Zhang
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Abstract

It has been conjectured that in head-on collisions of neutron stars (NSs), the merged object would not collapse promptly even if the total mass is higher than the maximum stable mass of a cold NS. In this paper, we show that the reverse is true: even if the total mass is {\it less} than the maximum stable mass, the merged object can collapse promptly. We demonstrate this for the case of NSs with a realistic equation of state (the Lattimer-Swesty EOS) in head-on {\it and} near head-on collisions. We propose a ``Prompt Collapse Conjecture'' for a generic NS EOS for head on and near head-on collisions.

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Edwin Evans, A. Gopakumar, Philip Gressman, Sai Iyer, Mark Miller, Wai-Mo Suen, Hui-Min Zhang. 2003-01-05. Head-on/Near Head-on Collisions of Neutron Stars With a Realistic EOS. https://doi.org/10.1103/physrevd.67.104001

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