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The origin of pulsar velocities

1996/08/15 by Alexander Kusenko, Kusenko, Alexander, Gino Segrè +2
Computer Science · Earth and Planetary Sciences · Physics and Astronomy · #Astrophysics (astro-ph) #Computational Physics and Python Applications #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Geophysics and Gravity Measurements #High Energy Physics - Phenomenology (hep-ph) #Pulsars and Gravitational Waves Research #astro-ph #gr-qc #hep-ph

paper · pdf · doi:10.48550/arxiv.astro-ph/9608103

7 pages, latex, epsf, 1 figure included, postscript also available at ftp://dept.physics.upenn.edu/pub/Kusenko/UPR710T.ps

arxiv created 1996/08/15 · openalex publication_date 1996/08/15 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We have recently proposed an explanation for the birth velocities of pulsars as resulting from asymmetries due to neutrino oscillations in the cooling protoneutron star. A specific prediction of this mechanism is that the correlation of velocities and magnetic fields should be stronger for slowly rotating neutron stars and weaker for those whose periods are less than 1 s. A remarkable agreement of this prediction with the data favors the oscillation mechanism over the alternative explanations for the proper motion of pulsars.

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