Neutrino Properties and Supernova SN1987a

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In the two years since the last fourth family meeting considerable improvement in direct ν mass and mixing measurements has been achieved. The number of ν families is limited by colliders and e+eννγ experiments and will soon be determined by measurement of the Z width. Here I will focus on how the single dramatic event of SN1987a indicated how limits on ν properties can be deduced from the observed ν signals. We briefly review these signals in the first section below, and explain how they could be used for the above purpose.

Original languageEnglish
Pages (from-to)131-137
Number of pages7
JournalAnnals of the New York Academy of Sciences
Issue number1
StatePublished - Dec 1989


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