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Title: Detecting the supernova breakout burst in terrestrial neutrino detectors

Abstract

Here, we calculate the distance-dependent performance of a few representative terrestrial neutrino detectors in detecting and measuring the properties of the ν e breakout burst light curve in a Galactic core-collapse supernova. The breakout burst is a signature phenomenon of core collapse and offers a probe into the stellar core through collapse and bounce. We also examine cases of no neutrino oscillations and oscillations due to normal and inverted neutrino-mass hierarchies. For the normal hierarchy, other neutrino flavors emitted by the supernova overwhelm the νe signal, making a detection of the breakout burst difficult. Furthermore, for the inverted hierarchy (IH), some detectors at some distances should be able to see the ν e breakout burst peak and measure its properties. For the IH, the maximum luminosity of the breakout burst can be measured at 10 kpc to accuracies of ~30% for Hyper-Kamiokande (Hyper-K) and ~60% for the Deep Underground Neutrino Experiment (DUNE). Super-Kamiokande (Super-K) and Jiangmen Underground Neutrino Observatory (JUNO) lack the mass needed to make an accurate measurement. For the IH, the time of the maximum luminosity of the breakout burst can be measured in Hyper-K to an accuracy of ~3 ms at 7 kpc, in DUNE to ~2more » ms at 4 kpc, and JUNO and Super-K can measure the time of maximum luminosity to an accuracy of ~2 ms at 1 kpc. Detector backgrounds in IceCube render a measurement of the νe breakout burst unlikely. For the IH, a measurement of the maximum luminosity of the breakout burst could be used to differentiate between nuclear equations of state.« less

Authors:
 [1];  [1];  [2]
  1. Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1334124
Report Number(s):
LA-UR-15-27141
Journal ID: ISSN 1538-4357
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 817; Journal Issue: 2; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; neutrinos; supernovae: general

Citation Formats

Wallace, Joshua, Burrows, Adam, and Dolence, Joshua C. Detecting the supernova breakout burst in terrestrial neutrino detectors. United States: N. p., 2016. Web. doi:10.3847/0004-637X/817/2/182.
Wallace, Joshua, Burrows, Adam, & Dolence, Joshua C. Detecting the supernova breakout burst in terrestrial neutrino detectors. United States. doi:10.3847/0004-637X/817/2/182.
Wallace, Joshua, Burrows, Adam, and Dolence, Joshua C. Mon . "Detecting the supernova breakout burst in terrestrial neutrino detectors". United States. doi:10.3847/0004-637X/817/2/182. https://www.osti.gov/servlets/purl/1334124.
@article{osti_1334124,
title = {Detecting the supernova breakout burst in terrestrial neutrino detectors},
author = {Wallace, Joshua and Burrows, Adam and Dolence, Joshua C.},
abstractNote = {Here, we calculate the distance-dependent performance of a few representative terrestrial neutrino detectors in detecting and measuring the properties of the νe breakout burst light curve in a Galactic core-collapse supernova. The breakout burst is a signature phenomenon of core collapse and offers a probe into the stellar core through collapse and bounce. We also examine cases of no neutrino oscillations and oscillations due to normal and inverted neutrino-mass hierarchies. For the normal hierarchy, other neutrino flavors emitted by the supernova overwhelm the νe signal, making a detection of the breakout burst difficult. Furthermore, for the inverted hierarchy (IH), some detectors at some distances should be able to see the νe breakout burst peak and measure its properties. For the IH, the maximum luminosity of the breakout burst can be measured at 10 kpc to accuracies of ~30% for Hyper-Kamiokande (Hyper-K) and ~60% for the Deep Underground Neutrino Experiment (DUNE). Super-Kamiokande (Super-K) and Jiangmen Underground Neutrino Observatory (JUNO) lack the mass needed to make an accurate measurement. For the IH, the time of the maximum luminosity of the breakout burst can be measured in Hyper-K to an accuracy of ~3 ms at 7 kpc, in DUNE to ~2 ms at 4 kpc, and JUNO and Super-K can measure the time of maximum luminosity to an accuracy of ~2 ms at 1 kpc. Detector backgrounds in IceCube render a measurement of the νe breakout burst unlikely. For the IH, a measurement of the maximum luminosity of the breakout burst could be used to differentiate between nuclear equations of state.},
doi = {10.3847/0004-637X/817/2/182},
journal = {The Astrophysical Journal (Online)},
number = 2,
volume = 817,
place = {United States},
year = {2016},
month = {2}
}

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