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Feb 27, 2017 at 1:17 vote accept W. Ryan
Feb 15, 2017 at 5:46 answer added anna v timeline score: 1
Feb 12, 2017 at 20:43 comment added quanticbolt Free proton decay will violate the law of conservation of energy. So the pion has to contribute somehow.
Feb 12, 2017 at 19:04 history asked W. Ryan CC BY-SA 3.0