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  • Open Access

Extended search for supernovalike neutrinos in NOvA coincident with LIGO/Virgo detections

M. A. Acero et al. (The NOvA Collaboration)
Phys. Rev. D 104, 063024 – Published 15 September 2021

Abstract

A search is performed for supernovalike neutrino interactions coincident with 76 gravitational wave events detected by the LIGO/Virgo Collaboration. For 40 of these events, full readout of the time around the gravitational wave is available from the NOvA Far Detector. For these events, we set limits on the fluence of the sum of all neutrino flavors of F<7(4)×1010cm2 at 90% C.L. assuming energy and time distributions corresponding to the Garching supernova models with masses 9.6(27)M. Under the hypothesis that any given gravitational wave event was caused by a supernova, this corresponds to a distance of r>29(50)kpc at 90% C.L. Weaker limits are set for other gravitational wave events with partial Far Detector data and/or Near Detector data.

  • Figure
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  • Received 10 June 2021
  • Accepted 16 August 2021

DOI:https://doi.org/10.1103/PhysRevD.104.063024

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & AstrophysicsParticles & Fields

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Vol. 104, Iss. 6 — 15 September 2021

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  • Figure 1
    Figure 1

    Top (middle, bottom): FD continuous readout (FD pulser, ND) total and selected positron spectra (left axis) and positron selection efficiency (right axis) as a function of energy. Each plot shows a simulated 9.6M supernova at 1 kpc. The total efficiencies, integrated over neutrino energy, are shown in the legends and assume a 9.6M supernova; total efficiencies are higher for the 27M model.

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  • Figure 2
    Figure 2

    A typical GW event with both FD (top) and ND (bottom) continuous readout, S200213t. The two supernova models are shown, normalized to 10 kpc. The number of neutrino candidates per second is corrected for live time, which is slightly under 100% in the ND because of beam removal, and in the final bins because readout ends at 39.86 s. The limits set are weaker than the median case because of a slight excess in the 0–5 s bins in the statistically dominant FD.

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