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Inference on neutron star parameters and the nuclear equation of state with RIFT, using prior EOS information

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arxiv 2407.15753 v1 pith:7SXUAONZ submitted 2024-07-22 gr-qc astro-ph.HE

Inference on neutron star parameters and the nuclear equation of state with RIFT, using prior EOS information

Askold Vilkha (1) , Anjali Yelikar (1) , Richard O'Shaughnessy (1) , Jocelyn Read (2) ((1) Center for Computational Relativity , Gravitation Rochester Institute of Technology , (2) Nicholas , Lee Begovich Center for Gravitational-Wave Physics , Astronomy California State University Fullerton) This is my paper
classification gr-qc astro-ph.HE
keywords inferenceinformationneutronnuclearpriorequationmethodparameters
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In this paper, we present an inference method for determining neutron star parameters and constraining the nuclear equation of state (EOS) using the RIFT parameter inference engine. We incorporate externally-produced prior information about the EOS to improve the accuracy and efficiency of the inference process. We apply this method to the GW170817 event and assess its performance. Our results demonstrate the effectiveness of incorporating prior EOS information in the inference process, leading to sharper conclusions and more rapid inference on new detections. This approach has the potential to enhance our understanding of neutron stars and the nuclear EOS in future gravitational wave observations.

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