Supernova neutrinos and explosive nucleosynthesis

Kajino, T.; Aoki, W.; Cheoun, M. -K.; Hayakawa, T.; Hidaka, J.; Hirai, Y.; Shibagaki, S.; Mathews, G. J.; Nakamura, K.; Suzuki, T.

doi:10.1063/1.4875294

Title: Supernova neutrinos and explosive nucleosynthesis

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Abstract

Core-collapse supernovae eject huge amount of flux of energetic neutrinos. We studied the explosive nucleosyn-thesis in supernovae and found that several isotopes {sup 7}Li, {sup 11}B, {sup 92}Nb, {sup 138}La and {sup 180}Ta as well as r-process nuclei are affected by the neutrino interactions. The abundance of these isotopes therefore depends strongly on the neutrino flavor oscillation due to the Mikheyev-Smirnov-Wolfenstein (MSW) effect. We discuss first how to determine the neutrino temperatures in order to explain the observed solar system abundances of these isotopes, combined with Galactic chemical evolution of the light nuclei and the heavy r-process elements. We then study the effects of neutrino oscillation on their abundances, and propose a novel method to determine the still unknown neutrino oscillation parameters, mass hierarchy and θ{sub 13}, simultaneously. There is recent evidence that SiC X grains from the Murchison meteorite may contain supernova-produced light elements {sup 11}B and {sup 7}Li encapsulated in the presolar grains. Combining the recent experimental constraints on θ{sub 13}, we show that our method sug-gests at a marginal preference for an inverted neutrino mass hierarchy. Finally, we discuss supernova relic neutrinos that may indicate the softness of the equation of state (EoS) of nuclear matter asmore »« less

Authors:

Kajino, T. ^[1]; Aoki, W. ^[2]; Cheoun, M. -K. ^[3]; Hayakawa, T. ^[4]; Hidaka, J.; Hirai, Y.; Shibagaki, S. ^[5]; Mathews, G. J. ^[6]; Nakamura, K. ^[7]; Suzuki, T. ^[8]

National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan and Department of Astronomy, Graduate School of Science, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033 (Japan)
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588 (Japan)
Department of Physics, Soongsil University, Seoul 156-743 (Korea, Republic of)
Japan Atomic Energy Agency, Shirakara-Shirane 2-4, Tokai-mura, Ibaraki 319-1195 (Japan)
National Astronomical Observatory, 2-21-1 Osawa, Mitaka, Tokyo 181-8588 (Japan)
Center for Astrophysics, Department of Physics, University of Notre Dame, Notre Dame, IN 46556 (United States)
Faculty of Science and Engineering, Waseda University, Ohkubo 3-4-1, Shinjuku, Tokyo 169-8555 (Japan)
Department of Physics, College of Humanities and Sciences, Nihon University, Sakurajosui 3-25-40, Setagaya-ku, Tokyo 156-8550 (Japan)

Publication Date:: 2014-05-09

OSTI Identifier:: 22280416

Resource Type:: Journal Article

Journal Name:: AIP Conference Proceedings

Additional Journal Information:: Journal Volume: 1595; Journal Issue: 1; Conference: 7. European summer school on experimental nuclear astrophysics, Santa Tecla, Sicily (Italy), 15-17 Sep 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ASTROPHYSICS; BORON 11; COSMIC NEUTRINOS; ELEMENT ABUNDANCE; EQUATIONS OF STATE; FLAVOR MODEL; LANTHANUM 138; LITHIUM 7; NEUTRINO OSCILLATION; NIOBIUM 92; NUCLEAR MATTER; NUCLEOSYNTHESIS; R PROCESS; SILICON CARBIDES; SOLAR SYSTEM; SUPERNOVAE; TANTALUM 180

Citation Formats


                    Kajino, T., Aoki, W., Cheoun, M. -K., Hayakawa, T., Hidaka, J., Hirai, Y., Shibagaki, S., Mathews, G. J., Nakamura, K., and Suzuki, T.. Supernova neutrinos and explosive nucleosynthesis.  United States: N. p., 2014. 
        Web.  doi:10.1063/1.4875294.

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                    Kajino, T., Aoki, W., Cheoun, M. -K., Hayakawa, T., Hidaka, J., Hirai, Y., Shibagaki, S., Mathews, G. J., Nakamura, K., & Suzuki, T.. Supernova neutrinos and explosive nucleosynthesis.  United States.  https://doi.org/10.1063/1.4875294

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                    Kajino, T., Aoki, W., Cheoun, M. -K., Hayakawa, T., Hidaka, J., Hirai, Y., Shibagaki, S., Mathews, G. J., Nakamura, K., and Suzuki, T.. 2014.  
        "Supernova neutrinos and explosive nucleosynthesis".  United States.  https://doi.org/10.1063/1.4875294.

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@article{osti_22280416,

  title        = {Supernova neutrinos and explosive nucleosynthesis},

  author       = {Kajino, T. and Aoki, W. and Cheoun, M. -K. and Hayakawa, T. and Hidaka, J. and Hirai, Y. and Shibagaki, S. and Mathews, G. J. and Nakamura, K. and Suzuki, T.},

  abstractNote = {Core-collapse supernovae eject huge amount of flux of energetic neutrinos. We studied the explosive nucleosyn-thesis in supernovae and found that several isotopes {sup 7}Li, {sup 11}B, {sup 92}Nb, {sup 138}La and {sup 180}Ta as well as r-process nuclei are affected by the neutrino interactions. The abundance of these isotopes therefore depends strongly on the neutrino flavor oscillation due to the Mikheyev-Smirnov-Wolfenstein (MSW) effect. We discuss first how to determine the neutrino temperatures in order to explain the observed solar system abundances of these isotopes, combined with Galactic chemical evolution of the light nuclei and the heavy r-process elements. We then study the effects of neutrino oscillation on their abundances, and propose a novel method to determine the still unknown neutrino oscillation parameters, mass hierarchy and θ{sub 13}, simultaneously. There is recent evidence that SiC X grains from the Murchison meteorite may contain supernova-produced light elements {sup 11}B and {sup 7}Li encapsulated in the presolar grains. Combining the recent experimental constraints on θ{sub 13}, we show that our method sug-gests at a marginal preference for an inverted neutrino mass hierarchy. Finally, we discuss supernova relic neutrinos that may indicate the softness of the equation of state (EoS) of nuclear matter as well as adiabatic conditions of the neutrino oscillation.},

  doi          = {10.1063/1.4875294},

  url          = {https://www.osti.gov/biblio/22280416},
  journal      = {AIP Conference Proceedings},

  issn         = {0094-243X},

  number       = 1,

  volume       = 1595,

  place        = {United States},

  year         = {2014},

  month        = {5}

}

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