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Transejecta high-energy neutrino emission from binary neutron star mergers

Kimura, S. S., Murase, K., Bartos, I., Ioka, K., Heng, I. S. and Mészáros, P. (2018) Transejecta high-energy neutrino emission from binary neutron star mergers. Physical Review D, 98(4), 043020. (doi: 10.1103/PhysRevD.98.043020)

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Abstract

The observations of a macronova/kilonova accompanied by gravitational waves from a binary neutron star merger (GW170817) confirmed that neutron star coalescences produce copious ejecta. The coincident gamma-ray detection implies the existence of a relativistic jet in this system. During the jet’s propagation within the ejecta, high-energy photons and neutrinos can be produced. The photons are absorbed by the ejecta, while the neutrinos escape and can be detected. Here, we estimate such transejecta neutrino emission, and discuss how neutrino observations could be used to differentiate between gamma-ray burst emission scenarios. We find that neutrinos from the internal shocks inside the ejecta may be detectable by IceCube within a few years of operation, and will likely be detected with IceCube-Gen2. The neutrino signals coincident with gravitational waves would enable us to reveal the physical quantities of the choked jets even without electromagnetic signals.

Item Type:	Articles
Keywords:	Extrasolar neutrino astronomy, gamma ray bursts, gravitational wave sources.
Status:	Published
Refereed:	Yes
Glasgow Author(s) Enlighten ID:	Heng, Professor Ik Siong
Authors:	Kimura, S. S., Murase, K., Bartos, I., Ioka, K., Heng, I. S., and Mészáros, P.
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
College/School:	College of Science and Engineering > School of Physics and Astronomy
Research Centre:	College of Science and Engineering > School of Physics and Astronomy > Institute for Gravitational Research
Research Group:	Institute for Gravitational Research
Journal Name:	Physical Review D
Publisher:	American Physical Society
ISSN:	2470-0010
ISSN (Online):	2470-0029
Published Online:	24 August 2018
Copyright Holders:	Copyright © 2018 American Physical Society
First Published:	First published in Physical Review D 98(4): 043020
Publisher Policy:	Reproduced in accordance with the publisher copyright policy

University Staff: Request a correction | Enlighten Editors: Update this record

Funder and Project Information

Project Code	Award No	Project Name	Principal Investigator	Funder's Name	Funder Ref	Lead Dept
71372	1	Investigations in gravitational radiation	Sheila Rowan	Science & Technology Facilities Council (STFC)	ST/N005422/1	S&E P&A - PHYSICS & ASTRONOMY
71372	2	Investigations in gravitational radiation	Sheila Rowan	Science & Technology Facilities Council (STFC)	ST/N005422/1	S&E P&A - PHYSICS & ASTRONOMY
71372	3	Investigations in gravitational radiation	Sheila Rowan	Science & Technology Facilities Council (STFC)	ST/N005422/1	S&E P&A - PHYSICS & ASTRONOMY

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Deposit and Record Details

ID Code:	168129
Depositing User:	Dr Jamie Scott
Datestamp:	03 Sep 2018 15:40
Last Modified:	06 Feb 2023 16:54
Date of acceptance:	13 August 2018
Date of first online publication:	24 August 2018
Date Deposited:	3 September 2018
Data Availability Statement:	No