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KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS

Publication ,  Journal Article
The KamLAND Collaboration, ; Asakura, K; Gando, A; Gando, Y; Hachiya, T; Hayashida, S; Ikeda, H; Inoue, K; Ishidoshiro, K; Ishikawa, T; Koga, M ...
Published in: Astrophysical Journal
February 10, 2016

In the late stages of nuclear burning for massive stars (M > 8 Mȯ), the production of neutrino-antineutrino pairs through various processes becomes the dominant stellar cooling mechanism. As the star evolves, the energy of these neutrinos increases and in the days preceding the supernova a significant fraction of emitted electron anti-neutrinos exceeds the energy threshold for inverse beta decay on free hydrogen. This is the golden channel for liquid scintillator detectors because the coincidence signature allows for significant reductions in background signals. We find that the kiloton-scale liquid scintillator detector KamLAND can detect these pre-supernova neutrinos from a star with a mass of 25 Mȯ at a distance less than 690 pc with 3σ significance before the supernova. This limit is dependent on the neutrino mass ordering and background levels. KamLAND takes data continuously and can provide a supernova alert to the community.

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Published In

Astrophysical Journal

DOI

EISSN

1538-4357

ISSN

0004-637X

Publication Date

February 10, 2016

Volume

818

Issue

1

Related Subject Headings

  • Astronomy & Astrophysics
  • 5109 Space sciences
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 0306 Physical Chemistry (incl. Structural)
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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The KamLAND Collaboration, ., Asakura, K., Gando, A., Gando, Y., Hachiya, T., Hayashida, S., … Decowski, M. P. (2016). KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS. Astrophysical Journal, 818(1). https://doi.org/10.3847/0004-637X/818/1/91
The KamLAND Collaboration, Angel V., K. Asakura, A. Gando, Y. Gando, T. Hachiya, S. Hayashida, H. Ikeda, et al. “KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS.” Astrophysical Journal 818, no. 1 (February 10, 2016). https://doi.org/10.3847/0004-637X/818/1/91.
The KamLAND Collaboration, Asakura K, Gando A, Gando Y, Hachiya T, Hayashida S, et al. KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS. Astrophysical Journal. 2016 Feb 10;818(1).
The KamLAND Collaboration, Angel V., et al. “KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS.” Astrophysical Journal, vol. 818, no. 1, Feb. 2016. Scopus, doi:10.3847/0004-637X/818/1/91.
The KamLAND Collaboration, Asakura K, Gando A, Gando Y, Hachiya T, Hayashida S, Ikeda H, Inoue K, Ishidoshiro K, Ishikawa T, Ishio S, Koga M, Matsuda S, Mitsui T, Motoki D, Nakamura K, Obara S, Oura T, Shimizu I, Shirahata Y, Shirai J, Suzuki A, Tachibana H, Tamae K, Ueshima K, Watanabe H, Xu BD, Kozlov A, Takemoto Y, Yoshida S, Fushimi K, Piepke A, Banks TI, Berger BE, Fujikawa BK, O’Donnell T, Learned JG, Maricic J, Matsuno S, Sakai M, Winslow LA, Efremenko Y, Karwowski HJ, Markoff DM, Tornow W, Detwiler JA, Enomoto S, Decowski MP. KamLAND SENSITIVITY TO NEUTRINOS FROM PRE-SUPERNOVA STARS. Astrophysical Journal. 2016 Feb 10;818(1).
Journal cover image

Published In

Astrophysical Journal

DOI

EISSN

1538-4357

ISSN

0004-637X

Publication Date

February 10, 2016

Volume

818

Issue

1

Related Subject Headings

  • Astronomy & Astrophysics
  • 5109 Space sciences
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 0306 Physical Chemistry (incl. Structural)
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences