Too much of a good thing? update of last post on CDF experiment’s news

I posted on Friday that the CDF experiment at the Tevatron claims to have observed a long-sought rare process — the decay of a particle called the B_s meson to a muon and anti-muon — and the observed rate is at least 1.5 times and perhaps as much as 6 times what was expected in the Standard Model.  After some careful reading, I have updated my post, laying out some reasons for some caution in interpreting the result.  I still don’t have the full story, so there will probably be another update.  (7/16/11)  

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