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Neutrino and axion emissivities of neutron stars from nucleon-nucleon scattering data

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arxiv astro-ph/0003445 v2 pith:ODJ53D4U submitted 2000-03-29 astro-ph hep-phnucl-th

classification astro-phhep-phnucl-th
keywords axionneutrinoamplitudedataneutronnucleon-nucleonradiationrates
verification ladder T0 review T1 audit T2 compute T3 formal
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Neutrino and axion production in neutron stars occurs mainly as bremsstrahlung from nucleon-nucleon (NN) scattering. The energy radiated via neutrinos or axions is typically very small compared to other scales in the two-nucleon system. The rate of emission of such "soft" radiation is directly related to the on-shell NN amplitude, and thereby to the NN experimental data. This facilitates the model-independent calculation of the neutrino and axion radiation rates which is presented here. We find that the resultant rates are a factor of four below earlier estimates based on a one-pion-exchange NN amplitude.

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Cited by 2 Pith papers

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

  1. Axion-photon conversion in transient compact stars: Systematics, constraints, and opportunities

    hep-ph 2025-09 unverdicted novelty 5.0 of 10

    Analytical expressions for ALP-photon conversion in transient compact stars yield an updated bound g_aγ < 5×10^{-12} GeV^{-1} for m_a ≲ 10^{-9} eV from SN 1987A, plus sensitivity forecasts for future Galactic SN and N...

  2. Axions at the meV Crossroads: Theory, Cosmology, Astrophysics, and Experiments

    hep-ph 2026-03 conditional novelty 2.0 of 10

    The meV axion window is presented as a coherent, cross-validated search program in which string theory, stellar cooling, dark matter, and new detector concepts converge on the same mass range.

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