Spontaneous lepton-number violation and de-leptonization in stellar collapse

Details Spontaneous lepton-number violation and de-leptonization in stellar collapse Spontaneous lepton-number violation and de-leptonization in stellar collapse

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983nuphb.223..532d&link_type=abstract

Nuclear Physics B, Volume 223, Issue 2, p. 532-541.

Physics

Nuclear Physics

9

Scientific paper

We consider core collapse in weak interaction models where global lepton-number invariance is spontaneously broken. We find that the initial neutrino number prevents finite temperature restoration of lepton-number conservation. Assuming the lepton-number violating reactions occur rapidly, we show that the neutrino number is driven to a sufficiently small value to allow electron capture reactions to de-leptonize the core, and lead to a high-entropy collapse.

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