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单词 proton decay
释义 proton decay
A process of the type
p → e+ + π0

where a proton decays into a positron and a pion, predicted to occur in grand unified theories (GUTs) because baryon number is no longer conserved. The lifetime depends on the theory used and is typically
1035
years, but a combination of GUTs and supersymmetry gives a lifetime of about
1045
years. Considerable experimental effort has been spent in looking for proton decay, so far with no success
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更新时间:2025/6/23 5:11:54