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CERN have found the Higgs boson (or something much like it), PHYSICS
db1989
post Jul 4 2012, 10:05
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oh SCIENCE

The ATLAS and CMS experiments at CERN today presented their latest results in the search for the long-sought Higgs boson. Both experiments see strong indications for the presence of a new particle, which could be the Higgs boson, in the mass region around 126 gigaelectronvolts (GeV).

The experiments found hints of the new particle by analysing trillions of proton-proton collisions from the Large Hadron Collider (LHC) in 2011 and 2012. The Standard Model of particle physics predicts that a Higgs boson would decay into different particles – which the LHC experiments then detect.

Both ATLAS and CMS gave the level of significance of the result as 5 sigma on the scale that particle physicists use to describe the certainty of a discovery. One sigma means the results could be random fluctuations in the data, 3 sigma counts as an observation and a 5-sigma result is a discovery. The results presented today are preliminary, as the data from 2012 is still under analysis. The complete analysis is expected to be published around the end of July.

Read the CERN press release

“5 sigma” means a confidence level of five standard deviations, i.e. a mere 0.00003% probability, under a one-tailed test, of these results being observed by chance if the particle did not actually exist. (If you see people reporting 0.00006%, they're doing it wrong by assuming a two-tailed test.)

Higgs boson announcement: Live updates | News | National Post
QUOTE
“I can confirm that a particle has been discovered that is consistent with the Higgs boson theory,” said John Womersley, chief executive of Britain's Science & Technology Facilities Council, at an event in London.
QUOTE
Today, the ATLAS and CMS experiments announced that they had observed a new particle. We don't yet know what that particle is, but it is consistent with the long –sought Higgs boson, and work will soon be underway to positively identify it. Days like this do not come around very often, and it's a cause for celebration.
QUOTE
#ATLAS combined results give a local significance of 5 sigma at 126.5 GeV. Audience goes wild. “I'm not done yet, there's more” says Fabiola
QUOTE
4:42 a.m.: Gianotti: We've only recorded 1/3rd of the data expected in 2012

4:45 a.m.: Gianotti: I think we all have to be very proud of these results and I hope that they open the door to a very bright future. Thank you

4:45 a.m.: Rolf-Dieter Heuer: As a layman I would now say: I think we've got it

4:48 a.m.: Rolf-Dieter Heuer: “We have a discovery. We should state it. We have a discovery. We have observed a new particle consistent with a Higgs boson. That remains open.

“It’s a historic milestone today, but we are only at the beginning. Now a lot of work is ahead of us. It is a milestone — I think we can all be proud, be happy, but it’s at the beginning.

“And I think also, it has global implications for the future, and I think we can be very very optimistic.”

4:48 a.m.: Standing ovation

Discuss. Party. Be reminded of what it looks like when humans do it right. smile.gif
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andy o
post Jul 5 2012, 16:54
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I hope this does not constitute blog-whoring (it's not even my blog), but I wrote up a collection of links and some funny tweets about it at onegoodmove.org.

I was watching the live webcast at the CERN site. Couldn't understand a thing, but it was cool and moving seeing Peter Higgs almost breaking up and declaring he didn't expect this in his lifetime.
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prufrock
post Jul 7 2012, 17:10
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Couple of layman explanations of the Higgs particle and field in the links below.

http://www.msnbc.msn.com/id/48062124/ns/te...cience-science/

http://www.guardian.co.uk/science/video/20...ggs-boson-video
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prufrock
post Jul 8 2012, 00:24
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This is a pretty good one page go at it.

http://www.thestar.com/opinion/editorialop...t-about-nothing


Another:

http://www.theatlantic.com/technology/arch...ad-this/259472/

Vacuums are now less lonely. Got your boson buddy all around you.





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lvqcl
post Jul 9 2012, 12:42
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"Rename the font Comic Sans to Comic Cerns" petition: http://www.change.org/petitions/microsoft-...he-windows-8-os
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db1989
post Jul 9 2012, 20:18
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Noooooo
We cannot allow this instance to be used as some kind of legitimation of that monstrosity ohmy.gif
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prufrock
post Jul 11 2012, 09:28
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Being physicists, the font matches their lack of fashion sense and overall nerdiness. Brian (the rock star) Cox excepted of course.

Article below poses some real concerns going forward. In a financial world that will be deleveraging for some time, it is going to be very difficult to get the sort of multi billion dollar funding required to keep the quest going. It may be that the LHC's design renders it unsuitable for any further discoveries beyond the Higgs bosun. Dark matter looks to be the next big one. It would be great if the LHC provided a hint on that conundrum as it would help the physicists chase some more dollars.


http://www.guardian.co.uk/commentisfree/20...very-where-next
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prufrock
post Jul 15 2012, 00:13
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If the bosun isn't a Higgs imposter, then it looks like the standard model it is. On to dark matter. One page go at it below.
Sounds like there is 5 times more stuff in the universe than there should be.

http://imagine.gsfc.nasa.gov/docs/science/...ark_matter.html

This post has been edited by prufrock: Jul 15 2012, 00:18
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