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Title: Neutrinos from type Ia supernovae: The deflagration-to-detonation transition scenario

Abstract

It has long been recognized that the neutrinos detected from the next core-collapse supernova in the Galaxy have the potential to reveal important information about the dynamics of the explosion and the nucleosynthesis conditions as well as allowing us to probe the properties of the neutrino itself. The neutrinos emitted from thermonuclear—type Ia—supernovae also possess the same potential, although these supernovae are dimmer neutrino sources. For the first time, we calculate the time, energy, line of sight, and neutrino-flavor-dependent features of the neutrino signal expected from a three-dimensional delayed-detonation explosion simulation, where a deflagration-to-detonation transition triggers the complete disruption of a near-Chandrasekhar mass carbon-oxygen white dwarf. We also calculate the neutrino flavor evolution along eight lines of sight through the simulation as a function of time and energy using an exact three-flavor transformation code. We identify a characteristic spectral peak at ˜10 MeV as a signature of electron captures on copper. This peak is a potentially distinguishing feature of explosion models since it reflects the nucleosynthesis conditions early in the explosion. We simulate the event rates in the Super-K, Hyper-K, JUNO, and DUNE neutrino detectors with the SNOwGLoBES event rate calculation software and also compute the IceCube signal. Hyper-K willmore » be able to detect neutrinos from our model out to a distance of ˜10 kpc. Here, at 1 kpc, JUNO, Super-K, and DUNE would register a few events while IceCube and Hyper-K would register several tens of events.« less

Authors:
 [1];  [1];  [1];  [2];  [3]
  1. North Carolina State Univ., Raleigh, NC (United States)
  2. Duke Univ., Durham, NC (United States)
  3. Australian National Univ., Canberra, ACT (Australia); ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO) (Australia)
Publication Date:
Research Org.:
North Carolina State Univ., Raleigh, NC (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1325194
Alternate Identifier(s):
OSTI ID: 1264796
Grant/Contract Number:  
SC0006417
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 94; Journal Issue: 2; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; neutrinos; thermonuclear supernova

Citation Formats

Wright, Warren P., Nagaraj, Gautam, Kneller, James P., Scholberg, Kate, and Seitenzahl, Ivo R. Neutrinos from type Ia supernovae: The deflagration-to-detonation transition scenario. United States: N. p., 2016. Web. doi:10.1103/PhysRevD.94.025026.
Wright, Warren P., Nagaraj, Gautam, Kneller, James P., Scholberg, Kate, & Seitenzahl, Ivo R. Neutrinos from type Ia supernovae: The deflagration-to-detonation transition scenario. United States. doi:10.1103/PhysRevD.94.025026.
Wright, Warren P., Nagaraj, Gautam, Kneller, James P., Scholberg, Kate, and Seitenzahl, Ivo R. Tue . "Neutrinos from type Ia supernovae: The deflagration-to-detonation transition scenario". United States. doi:10.1103/PhysRevD.94.025026. https://www.osti.gov/servlets/purl/1325194.
@article{osti_1325194,
title = {Neutrinos from type Ia supernovae: The deflagration-to-detonation transition scenario},
author = {Wright, Warren P. and Nagaraj, Gautam and Kneller, James P. and Scholberg, Kate and Seitenzahl, Ivo R.},
abstractNote = {It has long been recognized that the neutrinos detected from the next core-collapse supernova in the Galaxy have the potential to reveal important information about the dynamics of the explosion and the nucleosynthesis conditions as well as allowing us to probe the properties of the neutrino itself. The neutrinos emitted from thermonuclear—type Ia—supernovae also possess the same potential, although these supernovae are dimmer neutrino sources. For the first time, we calculate the time, energy, line of sight, and neutrino-flavor-dependent features of the neutrino signal expected from a three-dimensional delayed-detonation explosion simulation, where a deflagration-to-detonation transition triggers the complete disruption of a near-Chandrasekhar mass carbon-oxygen white dwarf. We also calculate the neutrino flavor evolution along eight lines of sight through the simulation as a function of time and energy using an exact three-flavor transformation code. We identify a characteristic spectral peak at ˜10 MeV as a signature of electron captures on copper. This peak is a potentially distinguishing feature of explosion models since it reflects the nucleosynthesis conditions early in the explosion. We simulate the event rates in the Super-K, Hyper-K, JUNO, and DUNE neutrino detectors with the SNOwGLoBES event rate calculation software and also compute the IceCube signal. Hyper-K will be able to detect neutrinos from our model out to a distance of ˜10 kpc. Here, at 1 kpc, JUNO, Super-K, and DUNE would register a few events while IceCube and Hyper-K would register several tens of events.},
doi = {10.1103/PhysRevD.94.025026},
journal = {Physical Review D},
number = 2,
volume = 94,
place = {United States},
year = {Tue Jul 19 00:00:00 EDT 2016},
month = {Tue Jul 19 00:00:00 EDT 2016}
}

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