期刊
MODERN PHYSICS LETTERS A
卷 24, 期 31, 页码 2507-2516出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217732309031806
关键词
Supernova; pulsars; pulsar kick; sterile neutrinos
资金
- DOE [W-7405-ENG-36, DE-FG02-97ER41014]
We investigate the momentum given to a protoneutron star, the pulsar kick, during the first ten seconds after temperature equilibrium is reached. Using a model with two sterile neutrinos obtained by fits to the MiniBooNE and LSND experiments, which is consistent with a new global fit, there is a large mixing angle, and the effective volume for emission is calculated. Using formulations with neutrinos created by URCA processes in a strong magnetic field, so the lowest Landau level has a sizable probability, we find that with known parameters, the asymmetric sterile neutrino emissivity might account for large pulsar kicks.
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