Neutrino deuteron reaction in the heating mechanism of core-collapse supernovae

Abstract

We examine a potential role of the neutrino deuteron reactions in the mechanism of supernova explosion by evaluating the energy transfer cross section for the neutrino heating. We calculate the energy loss rate due to the neutrino absorptions through the charged-current process as well as the neutrino scattering through the neutral-current process. In so doing, we adopt a detailed evaluation of cross sections for the neutrino deuteron reactions with the phenomenological Lagrangian approach. We find the energy transfer cross section for the deuteron is larger than those for ${}^3$H, ${}^3$He and ${}^4$He for neutrino temperatures (T${}_{\nu }$ $\sim 4$ MeV) relevant to supernova core. Because of the low energy threshold for the deuteron breakup, the energy transfer rate rapidly increases from low temperature, T${}_{\nu }$ $\sim 1$ MeV. This suggests that the neutrino deuteron reactions may contribute effectively to the heating mechanism during the dissociation of irons into light elements and nucleons in the shocked material of supernova core.

arXiv comment11 pages, 4 figures

References in corpus (18)

• An accurate nucleon-nucleon potential with charge-independence breaking
• Theory of Core-Collapse Supernovae
• Neutrino-Deuteron Scattering in Effective Field Theory at Next-to-Next-to Leading Order
• Neutrino Reactions on Deuteron
• Weak capture of protons by protons
• Dynamical Model of Weak Pion Production Reactions
• Influence of light nuclei on neutrino-driven supernova outflows
• Appearance of Light Clusters in Post-bounce Evolution of Core-Collapse Supernovae
• Neutrino-deuteron reactions at solar neutrino energies
• Neutrino Nucleus Reactions based on New Shell Model Hamiltonians
• Multi-Dimensional Explorations in Supernova Theory
• Elastic and Inelastic Neutrino-Deuteron Scattering in Effective Field Theory
• Neutrino Breakup of A=3 Nuclei in Supernovae
• Nucleosynthesis of Light Elements and Heavy r-Process Elements through the nu-Process in Supernova Explosion
• Solar-neutrino reactions on deuteron in effective field theory
• Inelastic Neutrino-Helium Scatterings and Standing Accretion Shock Instability in Core-Collapse Supernovae
• Low-Energy Inelastic Neutrino Reactions on 4He
• Effect of electronic environment on neutrino-nucleus reactions at r-process sites

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• A comparative study of statistical models for nuclear equation of state of stellar matter
• The equation of state and composition of hot, dense matter in core-collapse supernovae
• Towards a Unified Model of Neutrino-Nucleus Reactions for Neutrino Oscillation Experiments
• Revisiting Impacts of Nuclear Burning for Reviving Weak Shocks in Neutrino-Driven Supernovae
• Explosive nucleosynthesis in the neutrino-driven aspherical supernova explosion of a non-rotating 15$M_{\odot }$ star with solar metallicity