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Neutrino Interactions in Hot and Dense Matter

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arxiv astro-ph/9710115 v1 pith:5Q2IM7QR submitted 1997-10-10 astro-ph hep-phnucl-th

Sanjay Reddy , Madappa Prakash , James M Lattimer This is my paper · ORCID
classification astro-phhep-phnucl-th
keywords matterchargeddenseinteractioninteractionsneutralstrongcurrent
verification ladder T0 review T1 audit T2 compute T3 formal
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We study the charged and neutral current weak interaction rates relevant for the determination of neutrino opacities in dense matter found in supernovae and neutron stars. We establish an efficient formalism for calculating differential cross sections and mean free paths for interacting, asymmetric nuclear matter at arbitrary degeneracy. The formalism is valid for both charged and neutral current reactions. Strong interaction corrections are incorporated through the in-medium single particle energies at the relevant density and temperature. The effects of strong interactions on the weak interaction rates are investigated using both potential and effective field-theoretical models of matter. We investigate the relative importance of charged and neutral currents for different astrophysical situations, and also examine the influence of strangeness-bearing hyperons. Our findings show that the mean free paths are significantly altered by the effects of strong interactions and the multi-component nature of dense matter. The opacities are then discussed in the context of the evolution of the core of a protoneutron star.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Bayesian Inference of the Landau Parameter $G'_0$ from Joint Gamow-Teller Measurements

    nucl-th 2025-06 unverdicted novelty 6.0 of 10

    Bayesian inference from joint GTR measurements on 208Pb, 132Sn, and 90Zr yields G'_0 = 0.48 ± 0.034 in a standard Skyrme RPA framework.

  2. New Gauge Forces, Neutron Stars and Schwinger Neutrino Production

    hep-ph 2026-06 unverdicted novelty 5.0 of 10

    For Lμ-Lτ gauge forces with g ≳ 10^{-18}, Schwinger neutrino production in neutron stars alters composition, invalidates merger constraints at g ≳ 10^{-17}, and could yield detectable ~100 MeV neutrino fluxes from you...

  3. Charged-current neutrino opacity within the relativistic Hartree-Fock framework for astrophysical simulations of core-collapse supernovae and binary neutron star mergers

    astro-ph.HE 2026-05 unverdicted novelty 5.0 of 10

    Relativistic Hartree-Fock calculations of charged-current neutrino opacities reveal large discrepancies and a substantial shift in medium-dependent modifications compared to standard relativistic mean-field models.

  4. Supernova Detection at SNOLAB

    hep-ex 2024-12 accept novelty 1.0 of 10

    A review of supernova neutrino detection capabilities at SNOLAB, emphasizing SNO+ and HALO complementarity and potential use of existing water shields as additional detectors.

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