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    Electronic Resource
    Electronic Resource
    Neutrino-pair bremsstrahlung in collisions between neutrons and nuclei in neutron star matter (1977)
    Springer
    Astrophysics and space science 48 (1977), S. 159-164 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In neutron star matter over the density range 4.3×1011〈-ϱ≤4×1014 g cm−3 there are both free neutrons and neutron-rich nuclei. If there is a weak neutral current interaction between neutrinos and neutrons, as suggested by recent experiments, then when neutrons scatter off nuclei they may emit $$v\bar v$$ pairs as bremsstrahlung radiation. We calculate the associated emissivity for degenerate (but not superfluid) neutrons and uncorrelated (not crystallized) nuclei. We find that, under these conditions. this emissivity can under some conditions compare with that calculated by Festa and Ruderman for $$v\bar v$$ bremsstrahlung in electron-nucleus collisions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00643047
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Neutrino scattering by phonons in neutron star matter (1978)
    Springer
    Astrophysics and space science 57 (1978), S. 409-417 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Neutrinos couple through a weak neutral current to the density of matter, in particular to the neutron density. Density fluctuations, or phonons, in the neutron fluid may be emitted or absorbed by neutrinos passing through the matter. At high densities, temperatures and neutrino energies the neutrino mean free paths for phonon emission and absorption can be ≤106 cm. Significant changes in the neutrino momentum and energy accompany these processes. We present a model calculation for neutrino scattering by phonons, and representative numerical results for the neutrino mean free path and mean energy and momentum changes fork B T andE v both ranging from 1 to 27 MeV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00639333
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    Paper (German National Licenses)
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