Spontaneous leptonnumber violation and deleptonization in stellar collapse
Abstract
Core collapse in weak interaction models where global lepton number invariance is spontaneously broken was considered. It is found that the initial neutrino number prevents finite temperature restoration of lepton number conservation. Assuming the lepton number violating reactions occur rapidly it is shown that the neutrino number is driven to a sufficiently small value to allow electron capture reactions to deleptonize the core, and lead to a high entropy collapse.
 Publication:

NASA STI/Recon Technical Report N
 Pub Date:
 December 1982
 Bibcode:
 1982STIN...8337040D
 Keywords:

 Breaking;
 Gauge Invariance;
 Leptons;
 Symmetry;
 Weak Interactions (Field Theory);
 Electron Capture;
 Mathematical Models;
 Neutrinos;
 Weak Energy Interactions;
 Astrophysics