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CraigS
03-11-2010, 05:55 AM
In the News:

Physics experiment suggests existence of new particle (http://www.physorg.com/news/2010-11-physics-particle.html)



Man, this one's go it all ! symmetry broken ! ..



But wait, there's more ! a dark matter candidate !



Very interesting. They conclude with a cautionary note that they need more data (which makes a lot of sense). This is great research. Good on them.
Have to keep track of this one.

Cheers

Robh
03-11-2010, 09:11 AM
And yet an earlier but related story (link on same web page) concludes the Fermilab MINOS results don't support the existence of a fourth, sterile neutrino. Interesting times!

Regards, Rob

CraigS
03-11-2010, 09:23 AM
Rob;
Would that be the Feb 16, 2010 report ?

If so, it says:


I'm not sure I'd interpret this wording as confirming the non-existance of the fourth sterile neutrino .. ??

Which report were you referring to ? I may not have the one you mean.

Cheers

Robh
03-11-2010, 10:36 AM
Just making the point that neither experiment confirms anything one way or the other. It will be interesting to see which way it heads.

Rob.

CraigS
03-11-2010, 10:47 AM
Oh well ..

Looks like they've discovered an instance of 'neutrino flavor oscillation'.

The challenge now is to confirm it by replicating the results over longer periods of time.

Then its a matter for the theory to explain it all, I guess.

Its the closest report I've seen so far from a reputable source, though. Pity I can't get hold of the report (& cut the jouno stuff out of it all). Mind you, the abstract is very particle-physicist specific.

Time will tell, eh ?

Cheers