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Can Parity Violation in Neutrino Transport Lead to Pulsar Kicks?

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arxiv astro-ph/9806285 v1 pith:X32S76CZ submitted 1998-06-21 astro-ph

classification astro-ph
keywords neutrinoasymmetricparityviolationfluxkickaboveabsorption
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abstract

In magnetized proto-neutron stars, neutrino cross sections depend asymmetrically on the neutrino momenta due to parity violation. However, these asymmetric opacities do not induce any asymmetric flux in the bulk interior of the star where neutrinos are nearly in thermal equilibrium. Consequently, parity violation in neutrino absorption and scattering can only give rise to asymmetric neutrino flux above the neutrino-matter decoupling layer. The kick velocity is substantially reduced from previous estimates, requiring a dipole field $B \sim 10^{16}$~G to get $v_{kick}$ of order a few hundred km~s$^{-1}$.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 81 citations worldwide. Full citation record

  1. Neutrino energy and momentum emission from magnetized dense quark matter

    hep-ph 2025-01 conditional novelty 8.0 of 10

    The paper derives the neutrino energy and momentum emission rates from magnetized dense quark matter, finding a small asymmetry ratio eta = 2e-3 |eB|/(mu_e T) that rules out neutrino momentum emission as the cause of ...

  2. Understanding the Neutron Star Population with the SKAO Telescopes

    astro-ph.HE 2026-07 accept novelty 3.5 of 10

    SKAO AA* and AA4 surveys are projected to discover thousands of ordinary pulsars and ~800–1000 MSPs, enabling population synthesis, mass measurements and tests of gravity and emission physics.

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