Authors: John Michael Williams
Numerous upper bounds on the (anti)neutrino rest mass have been published based on the SN1987A observations. Here, we use a nonkinematic (thermal) time extent to provide a rest-mass estimate of a few eV (as mc2 energy), if not zero. In the solution, we find that a typical upper-bound formula for the mass implies that this thermal extent was attributable to about 10% of the particle energy measured on Earth. The present approach yields an expected value for the mass, given any theoretical or model-dependent estimate of the fraction of the detected neutrino energy attributable to the supernova temperature. This is a reposting of an old paper which describes an analysis protocol which can be applied for any supernova for which a population of neutrinos is observed.
Comments: 13 pages
[v1] 23 Aug 2010
Unique-IP document downloads: 280 times
Add your own feedback and questions here:
You are equally welcome to be positive or negative about any paper but please be polite. If you are being critical you must mention at least one specific error, otherwise your comment will be deleted as unhelpful.