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Related papers: Neutrino Oscillation Effects on Supernova Light El…

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In a 1996 JRO Fellowship Research Proposal (Los Alamos), the author suggested that neutrino oscillations may provide a powerful indirect energy transport mechanism to supernovae explosions. The principal aim of this addendum is to present…

Astrophysics · Physics 2008-11-26 D. V. Ahluwalia-Khalilova

The e- and e+ energy spectra from the SN1987A Supernova neutrino burst interactions are calculated and compared to the observed spectra in Kamiokande-II and IMB experiments. Neutrino oscillations in Supernova and regeneration effects in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Bekman , J. Holeczek , J. Kisiel

We constrain energy spectra of supernova neutrinos through the avoidance of an overproduction of the 11B abundance during Galactic chemical evolution. In supernova nucleosynthesis calculations with a parametrized neutrino spectrum as a…

Astrophysics · Physics 2009-11-11 Takashi Yoshida , Toshitaka Kajino , Dieter H. Hartmann

We investigate to what extent the oscillation or conversion of neutrinos enhances the expected event rate of the supernova relic neutrino background (SRN) at the Super-Kamiokande detector (SK). The SRN \bar\nu_e's can be almost completely…

High Energy Physics - Phenomenology · Physics 2009-10-28 Tomonori Totani , Katsuhiko Sato

There is recent evidence that some SiC X grains from the Murchison meteorite may contain supernova-produced {\nu}-process 11B and or 7Li encapsulated in the grains. The synthesis of 11B and 7Li via neutrino-induced nucleon emission (the…

High Energy Astrophysical Phenomena · Physics 2014-05-06 G. J. Mathews , T. Kajino , W. Aoki , W. Fujiya , J. B. Pitts

We study how the influence of the shock wave appears in neutrino oscillations and the neutrino spectrum using density profile of adiabatic explosion model of a core-collapse supernova which is calculated in an implicit Lagrangian code for…

High Energy Astrophysical Phenomena · Physics 2014-11-20 S. Kawagoe , T. Yoshida , T. Kajino , H. Suzuki , K. Sumiyoshi , S. Yamada

We study the neutrino-induced production of nuclides in explosive supernova nucleosynthesis for progenitor stars with solar metallicity including neutrino nucleus reactions for all nuclei with charge numbers $Z < 76$ with average neutrino…

High Energy Astrophysical Phenomena · Physics 2018-10-17 A. Sieverding , G. Martínez-Pinedo , L. Huther , K. Langanke , A. Heger

Presupernova evolution and explosive nucleosynthesis in massive stars for main-sequence masses from 13 $M_\odot$ to 70 $M_\odot$ are calculated. We examine the dependence of the supernova yields on the stellar mass, $^{12}C(\alpha, \gamma)…

Astrophysics · Physics 2009-10-30 K. Nomoto , M. Hashimoto , T. Tsujimoto , F. -K. Thielemann , N. Kishimoto , Y. Kubo

We investigate neutrino oscillations from core-collapse supernovae that produce magnetohydrodynamic (MHD) explosions. By calculating numerically the flavor conversion of neutrinos in the highly non-spherical envelope, we study how the…

High Energy Astrophysical Phenomena · Physics 2009-10-02 Shio Kawagoe , Tomoya Takiwaki , Kei Kotake

By performing a series of one- and two-dimensional (1-, 2D) hydrodynamic simulations with spectral neutrino transport, we study possible impacts of collective neutrino oscillations on the dynamics of core-collapse supernovae. To model the…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Yudai Suwa , Kei Kotake , Tomoya Takiwaki , Matthias Liebendoerfer , Katsuhiko Sato

We show that the effects of neutrino oscillations on 8B solar neutrinos are described well by the first two moments (the average and the variance) of the energy distribution of scattered or recoil electrons. For the SuperKamiokande and the…

Nuclear Experiment · Physics 2008-11-26 John N. Bahcall , P. I. Krastev , E. Lisi

Neutrino oscillations, especially to light sterile states, can affect the nucleosynthesis yields because of their possible feedback effect on the electron fraction (Ye). For the first time, we perform nucleosynthesis calculations for…

Solar and Stellar Astrophysics · Physics 2015-08-19 Else Pllumbi , Irene Tamborra , Shinya Wanajo , H. -Thomas Janka , Lorenz Huedepohl

We study the effects of collective neutrino oscillations on $\nu p$ process nucleosynthesis in proton-rich neutrino-driven winds by including both the multi-angle $3\times3$ flavor mixing and the nucleosynthesis network calculation. The…

High Energy Astrophysical Phenomena · Physics 2017-09-13 H. Sasaki , T. Kajino , T. Takiwaki , T. Hayakawa , A. B. Balantekin , Y. Pehlivan

In high-energy astrophysical processes involving compact objects, such as core-collapse supernovae or binary neutron star mergers, neutrinos play an important role in the synthesis of nuclides. Neutrinos in these environments can experience…

High Energy Astrophysical Phenomena · Physics 2024-06-10 A. Baha Balantekin , Michael J. Cervia , Amol V. Patwardhan , Rebecca Surman , Xilu Wang

The neutrino process that occurs in the outer stellar shells during a supernova explosion and involves neutrino-nucleus reactions produces a range of rare, stable and radioactive isotopes. We improve previous $\nu$-process studies by using,…

High Energy Astrophysical Phenomena · Physics 2019-07-02 Andre Sieverding , Gabriel Martínez-Pinedo , Karlheinz Langanke , Robert Bollig , Hans-Thomas Janka , Alexander Heger

It is shown that true Nambu-Goldstone (NG) bosons develop coherent fields whenever the associated charges of the matter particles are not conserved in a macroscopic scale. The sources of the NG fields are the time rates of quantum number…

High Energy Physics - Phenomenology · Physics 2007-05-23 Luis Bento

Neutrino asymmetry generation from active-sterile neutrino oscillations in the early Universe has different important cosmological effects. We discuss its basic features and present recent results on the borders of the generation for mixing…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Di Bari

A neutrino-oscillation analysis is performed of the more finely binned Super-K atmospheric, MINOS, and CHOOZ data in order to examine the impact of neutrino hierarchy in this data set upon the value of $\theta_{13}$ and the deviation of…

Nuclear Theory · Physics 2011-06-21 J. Escamilla-Roa , D. C. Latimer , D. J. Ernst

Theoretical nucleosynthetic yields from supernovae are sensitive to both the details of the progenitor star and the explosion calculation. We attempt to comprehensively identify the sources of uncertainties in these yields. In this paper we…

Astrophysics · Physics 2011-02-11 Patrick A. Young , Chris L. Fryer

Ordinary-sterile neutrino oscillations can generate significant neutrino asymmetry in the early Universe. In this paper we extend this work by computing the evolution of neutrino asymmetries and light element abundances during the Big Bang…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. Foot , R. R. Volkas