Neutrino-nucleon scattering in supernova matter from the virial expansion

Abstract

We generalize our virial approach to study the neutral current neutrino response of nuclear matter at low densities. In the long-wavelength limit, the virial expansion makes model-independent predictions for neutrino-nucleon scattering rates and the density S_V and spin S_A responses. We find S_A is significantly reduced from one even at low densities. We provide a simple fit S_A^f(n,T,Y_p) of the axial response as a function of density n, temperature T and proton fraction Y_p. This fit reproduces our model independent virial results at low densities and reproduces the Burrows and Sawyer random phase approximation (RPA) results at high densities. Our fit can be incorporated into supernova simulations in a straight forward manner. Preliminary one dimensional supernova simulations suggest that the reduction in the axial response may enhance neutrino heating rates in the gain region during the accretion phase of a core-collapse supernovae.

arXiv comment7 pages, 3 figures

References in corpus (29)

• Explosion Mechanisms of Core-Collapse Supernovae
• Nucleosynthesis and Remnants in Massive Stars of Solar Metallicity
• Perspectives on Core-Collapse Supernova Theory
• Neutrino-driven explosion of a 20 solar-mass star in three dimensions enabled by strange-quark contributions to neutrino-nucleon scattering
• Weak magnetism for antineutrinos in supernovae
• Neutrino Opacities in Nuclear Matter
• Cluster Formation and The Virial Equation of State of Low-Density Nuclear Matter
• Effects of Strong and Electromagnetic Correlations on Neutrino Interactions in Dense Matter
• An Open-Source Neutrino Radiation Hydrodynamics Code for Core-Collapse Supernovae
• The Effects of Correlations on Neutrino Opacities in Nuclear Matter
• Nonuniform Neutron-Rich Matter and Coherent Neutrino Scattering
• Influence of light nuclei on neutrino-driven supernova outflows
• The Virial Equation of State of Low-Density Neutron Matter
• New Precision Limit on the Strange Vector Form Factors of the Proton
• Neutrino-nucleus reactions and their role for supernova dynamics and nucleosynthesis
• Neutrino Breakup of A=3 Nuclei in Supernovae
• The Neutrino Response of Low-Density Neutron Matter from the Virial Expansion
• Neutrinos from SN1987A: flavor conversion and interpretation of results
• Role of medium modifications for neutrino-pair processes from nucleon-nucleon bremsstrahlung - Impact on the protoneutron star deleptonization
• Neutrino-pair emission from nuclear de-excitation in core-collapse supernova simulations
• Neutrino processes in partially degenerate neutron matter
• SN1987A and the properties of neutrino burst
• Charged-current reactions in the supernova neutrino-sphere
• Charged current neutrino interactions in core-collapse supernovae in a virial expansion
• Impact of Nucleon-Nucleon Bremsstrahlung Rates Beyond One-Pion Exchange
• Supernova matter at subnuclear densities as a resonant Fermi gas: Enhancement of neutrino rates
• The Role of Nucleon Strangeness in Supernova Explosions
• Charge-conjugation violating neutrino interactions in supernovae
• Neutrino-pair bremsstrahlung from nucleon-$\alpha$ versus nucleon-nucleon scattering

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