Curious layman Posted January 1, 2020 Share Posted January 1, 2020 The XENON1T detector has allowed scientists to observe an ultra-rare event: the radioactive decay of xenon-124. Quote In a subterranean laboratory, about a mile below Italy's Gran Sasso mountains, scientists are hunting for dark matter using an incredibly powerful detector full of liquid xenon. In their search for the elusive particle, they observed something else entirely. Their dark matter detector witnessed the rarest event ever recorded: the radioactive decay of xenon-124. https://www.cnet.com/google-amp/news/dark-matter-scientists-observe-the-rarest-event-ever-recorded/?utm_source=quora&utm_medium=referral 1 Link to comment Share on other sites More sharing options...
Cynic Posted January 3, 2020 Share Posted January 3, 2020 Serendipity....... Link to comment Share on other sites More sharing options...
John Cuthber Posted January 3, 2020 Share Posted January 3, 2020 About a hundred times as common as this. http://scholarsmine.mst.edu/cgi/viewcontent.cgi?article=2240&context=chem_facwork Link to comment Share on other sites More sharing options...
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