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Among the particle theorists and phenomenologists I talked to at lunch at the Perimeter Institute, the probability assigned to this being real was in the 5%-20% range, with older physicists more skeptical.

Still no liquid betting market though...

http://www.overcomingbias.com/2014/05/how-to-reform-academia...

http://infoproc.blogspot.ca/2006/01/prediction-markets-and-l...



Metaculus prediction pool has it at 30% likely to be verified by end of summer : http://www.metaculus.com/questions/41/


I like the general philosophy behind Metaculus (that we should all be more public and accountable with our speculation) but I don't think the numbers are currently reliable because posting is open to anyone and there's no money on the line.


That's probably because the older physicists learned the hard way that nobody has ever made any money by betting against the standard model.


It's over three sigma, which makes it more like 5-20% that it's not real.

My money is on it being our first observed sparticle.


Lots wrong with this comment. Here's one place to start:

http://www.science20.com/a_quantum_diaries_survivor/true_and...


Thanks, that's really interesting - I was just going with the raw definition of sigma. Consider me corrected!


I agree, and you provided a link to a nice summary of why.

I do wonder, though, if there's ever been evidence from two independent detectors that ended up being false. That's a significant difference in the present situation.


The 3-sigma that you're quoting may not account for the "look elsewhere" effect: the possibility that a comparable fluctuation might have occurred in any number of other energy levels or other decay channels. It's really hard to correct for that properly, and particle theory has a long history of promising signals melting away with more data. That's why the folks involved are being pretty cautious.

Meanwhile, I'm not sure how well the observed decay mode fits with the most common supersymmetric models: I have the strong impression that it's not one that SUSY phenomenologists were expecting going in.

It's going to be fun to see where this takes us! Maybe a surprise would be the best outcome of all.




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