Bayesian inference from joint GTR measurements on 208Pb, 132Sn, and 90Zr yields G'_0 = 0.48 ± 0.034 in a standard Skyrme RPA framework.
Neutrino Interactions in Hot and Dense Matter
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abstract
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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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.
Curvature of the angular spectrum of dark matter events in directional 2D detectors encodes the dark matter mass scale.
citing papers explorer
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Bayesian Inference of the Landau Parameter $G'_0$ from Joint Gamow-Teller Measurements
Bayesian inference from joint GTR measurements on 208Pb, 132Sn, and 90Zr yields G'_0 = 0.48 ± 0.034 in a standard Skyrme RPA framework.
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Charged-current neutrino opacity within the relativistic Hartree-Fock framework for astrophysical simulations of core-collapse supernovae and binary neutron star mergers
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.
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Extracting Dark-Matter Mass from Angular Scanning
Curvature of the angular spectrum of dark matter events in directional 2D detectors encodes the dark matter mass scale.