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A comment on The Sun seen through the Earth in “neutrino light” (2007). Parent comment

Re:The Sun seen through the Earth in “neutrino light” (2007) by zuzun on Monday June 15, 2020 @12:38PM (#23529306)
It was initially used to observe proton decay. By not detecting a decaying proton in the water tank, they could place the mean lifetime of a proton above 10^30 years.
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