Cosmological and supernova neutrinos

T. Kajino, W. Aoki, A. B. Balantekin, M. K. Cheoun, T. Hayakawa, J. Hidaka, Y. Hirai, M. Kusakabe, G. J. Mathews, K. Nakamura, Y. Pehlivan, S. Shibagaki, T. Suzuki

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The Big Bang nucleosynthesis (BBN) and the cosmic microwave background (CMB) anisotropies are the pillars of modern cosmology. It has recently been suggested that axion which is a dark matter candidate in the framework of the standard model could condensate in the early universe and induce photon cooling before the epoch of the photon last scattering. Although this may render a solution to the overproduction problem of primordial 7Li abundance, there arises another serious difficulty of overproducing D abundance. We propose a hybrid dark matter model with both axions and relic supersymmetric (SUSY) particles to solve both overproduction problems of the primordial D and 7Li abundances simultaneously. The BBN also serves to constrain the nature of neutrinos. Considering non-thermal photons produced in the decay of the heavy sterile neutrinos due to the magnetic moment, we explore the cosmological constraint on the strength of neutrino magnetic moment consistent with the observed light element abundances. Core-collapse supernovae eject huge flux of energetic neutrinos which affect explosive nucleosynthesis of rare isotopes like 7Li,11B, 92Nb,138La and 180Ta and r-process elements. Several isotopes depend strongly on the neutrino flavor oscillation due to the Mikheyev-Smirnov-Wolfenstein (MSW) effect. Combining the recent experimental constraints on θ13 with predicted and observed supernova-produced abundance ratio 11B/7Li encapsulated in the presolar grains from the Murchison meteorite, we show a marginal preference for an inverted neutrino mass hierarchy. We also discuss supernova relic neutrinos (SRN) that may indicate the softness of the equation of state (EoS) of nuclear matter and adiabatic conditions of the neutrino oscillation.

    Original languageEnglish
    Title of host publicationAIP Conference Proceedings
    PublisherAmerican Institute of Physics Inc.
    Pages193-200
    Number of pages8
    Volume1604
    ISBN (Print)9780735412385
    DOIs
    Publication statusPublished - 2014
    EventWorkshop on Dark Matter, Neutrino Physics and Astrophysics, CETUP* 2013 and 7th International Conference on Interconnections Between Particle Physics and Cosmology, PPC* 2013 - Lead/Deadwood, SD
    Duration: 2013 Jun 242013 Jul 26

    Other

    OtherWorkshop on Dark Matter, Neutrino Physics and Astrophysics, CETUP* 2013 and 7th International Conference on Interconnections Between Particle Physics and Cosmology, PPC* 2013
    CityLead/Deadwood, SD
    Period13/6/2413/7/26

    Fingerprint

    supernovae
    neutrinos
    nuclear fusion
    dark matter
    photons
    isotopes
    magnetic moments
    Murchison meteorite
    adiabatic conditions
    oscillations
    softness
    light elements
    hierarchies
    cosmology
    condensates
    equations of state
    universe
    time measurement
    cooling
    microwaves

    Keywords

    • cosmology
    • neutrino
    • nuclear reaction
    • nuclear structure
    • nucleosynthesis
    • supernovae

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

    Cite this

    Kajino, T., Aoki, W., Balantekin, A. B., Cheoun, M. K., Hayakawa, T., Hidaka, J., ... Suzuki, T. (2014). Cosmological and supernova neutrinos. In AIP Conference Proceedings (Vol. 1604, pp. 193-200). American Institute of Physics Inc.. https://doi.org/10.1063/1.4883430

    Cosmological and supernova neutrinos. / Kajino, T.; Aoki, W.; Balantekin, A. B.; Cheoun, M. K.; Hayakawa, T.; Hidaka, J.; Hirai, Y.; Kusakabe, M.; Mathews, G. J.; Nakamura, K.; Pehlivan, Y.; Shibagaki, S.; Suzuki, T.

    AIP Conference Proceedings. Vol. 1604 American Institute of Physics Inc., 2014. p. 193-200.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Kajino, T, Aoki, W, Balantekin, AB, Cheoun, MK, Hayakawa, T, Hidaka, J, Hirai, Y, Kusakabe, M, Mathews, GJ, Nakamura, K, Pehlivan, Y, Shibagaki, S & Suzuki, T 2014, Cosmological and supernova neutrinos. in AIP Conference Proceedings. vol. 1604, American Institute of Physics Inc., pp. 193-200, Workshop on Dark Matter, Neutrino Physics and Astrophysics, CETUP* 2013 and 7th International Conference on Interconnections Between Particle Physics and Cosmology, PPC* 2013, Lead/Deadwood, SD, 13/6/24. https://doi.org/10.1063/1.4883430
    Kajino T, Aoki W, Balantekin AB, Cheoun MK, Hayakawa T, Hidaka J et al. Cosmological and supernova neutrinos. In AIP Conference Proceedings. Vol. 1604. American Institute of Physics Inc. 2014. p. 193-200 https://doi.org/10.1063/1.4883430
    Kajino, T. ; Aoki, W. ; Balantekin, A. B. ; Cheoun, M. K. ; Hayakawa, T. ; Hidaka, J. ; Hirai, Y. ; Kusakabe, M. ; Mathews, G. J. ; Nakamura, K. ; Pehlivan, Y. ; Shibagaki, S. ; Suzuki, T. / Cosmological and supernova neutrinos. AIP Conference Proceedings. Vol. 1604 American Institute of Physics Inc., 2014. pp. 193-200
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    abstract = "The Big Bang nucleosynthesis (BBN) and the cosmic microwave background (CMB) anisotropies are the pillars of modern cosmology. It has recently been suggested that axion which is a dark matter candidate in the framework of the standard model could condensate in the early universe and induce photon cooling before the epoch of the photon last scattering. Although this may render a solution to the overproduction problem of primordial 7Li abundance, there arises another serious difficulty of overproducing D abundance. We propose a hybrid dark matter model with both axions and relic supersymmetric (SUSY) particles to solve both overproduction problems of the primordial D and 7Li abundances simultaneously. The BBN also serves to constrain the nature of neutrinos. Considering non-thermal photons produced in the decay of the heavy sterile neutrinos due to the magnetic moment, we explore the cosmological constraint on the strength of neutrino magnetic moment consistent with the observed light element abundances. Core-collapse supernovae eject huge flux of energetic neutrinos which affect explosive nucleosynthesis of rare isotopes like 7Li,11B, 92Nb,138La and 180Ta and r-process elements. Several isotopes depend strongly on the neutrino flavor oscillation due to the Mikheyev-Smirnov-Wolfenstein (MSW) effect. Combining the recent experimental constraints on θ13 with predicted and observed supernova-produced abundance ratio 11B/7Li encapsulated in the presolar grains from the Murchison meteorite, we show a marginal preference for an inverted neutrino mass hierarchy. We also discuss supernova relic neutrinos (SRN) that may indicate the softness of the equation of state (EoS) of nuclear matter and adiabatic conditions of the neutrino oscillation.",
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    AU - Hidaka, J.

    AU - Hirai, Y.

    AU - Kusakabe, M.

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