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#1 Jul 04 2012 at 12:21 AM Rating: Excellent
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I know it's a few hours early, but it's really looking like CERN went & found a new particle, most likely the higgs-boson.
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Linky

Quote:

"We've observed a new particle": leaked video reveals Higgs confirmation
Mass, decay into two photons tell the tale.
Screenshot

"We've observed a new particle." That's the opening statement in a video featuring Joe Incandela, the spokesman for the Large Hadron Collider's CMS detector. The video, first spotted by ScienceNews, was publicly accessible on the CERN website earlier today, but has now apparently been pulled. It appears to preempt the big announcement scheduled for early tomorrow morning, and implies that this year's data was enough to push the evidence for the Higgs past the five standard deviations needed to declare discovery.

"When we say we've observed the particle, it means we've just got enough data to say it's definitely there, and it's very unlikely to go away," Incandela says in the video. He went on to say that we know it's a boson because it decays into two photons. Its mass is roughly 130 times that of the proton, making it the heaviest boson we've discovered so far—and the heaviest particle other than the top quark.

According to the video, the two-photon decay is one of the strongest bits of evidence and provides a narrow peak that helps define its mass. Strong evidence is also available through decay into two Z particles; the signal is there in other decay channels as well, which is reassuring, but those are less definitive because of the background noise present.

Combined with the results of last year's search, this pretty much nails down the Higgs at roughly 125GeV, although there still may be some interesting details during tomorrow's official announcement. And, as we predicted yesterday, Incandela is already talking about how we need to produce more of these to see whether this particle behaves like we'd predict for a Standard Model Higgs boson.

In the meantime, Incandela seems to be ready to celebrate—provided he's given the time for a nap first: "We're very excited. I'm extremely tired at the moment, so I may not appear to be as excited as I really am."

UPDATE: CERN has told a UK journalist that the CMS team has made videos covering all possible results, and only the one announcing discovery has leaked.


They've flown Higgs out, so things are looking like the standard model holds up & we can now account for a lot of the "missing" mass in the universe. This probably means a Nobel prize for Higgs & two other at CERN. However, from what I understand, it also kicks some of supernumerary in the balls as it appears the Higgs-Boson is behaving exactly as expected. Little "new" physics- it's what they expected, but there's lots ore tests to be done!

TL:DR



&



Screenshot

(not actually the standard model, but applicable too)

Not a Ding Thread.

Or is it?

Edited, Jul 4th 2012 2:41am by Omegavegeta
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#2 Jul 04 2012 at 1:16 AM Rating: Excellent
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Cool story, bro.


Hey, that's what you get when you throw words like "supernumerary" at me at 3:14 AM.
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#3 Jul 04 2012 at 1:28 AM Rating: Decent
That should have been super-symmetry, but it was auto corrected.

I'm leaving it.

First team is speaking, still bragging about what they've already done & bragging about how awesome their detector is.

Never mind, 5 Sigma. The first team found it. Now to see what Atlas finds.

-edit No, 4.9!!!

-edit 2 Atlas loves them some Comic Sans.

-edit 3: Atlas hit 5 sigma!

-edit 4 Higgs is crying... Old bastard making me tear up. sniff

Edited, Jul 4th 2012 4:37am by Omegavegeta

Edited, Jul 4th 2012 4:44am by Omegavegeta
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#4 Jul 04 2012 at 5:25 AM Rating: Good
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FFS I missed this because I was asleep Smiley: motz

Did they reach 5 Sigma?!


Edit: Never mind they did!

http://www.wired.com/wiredscience/2012/07/higgs-boson-discovery/


Looks like the Standard model holds up!! Smiley: grin

Edited, Jul 4th 2012 7:31am by Nilatai
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#5 Jul 04 2012 at 6:11 AM Rating: Excellent
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#6 Jul 04 2012 at 6:24 AM Rating: Good
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Nilatai wrote:
Looks like the Standard model holds up!! Smiley: grin


Let's not get carried away here.
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#7 Jul 04 2012 at 6:31 AM Rating: Decent
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#8 Jul 04 2012 at 7:41 AM Rating: Excellent
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Nilatai wrote:
Did they reach 5 Sigma?!
That was, by far, the worst GI Joe spinoff.
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#9 Jul 04 2012 at 8:05 AM Rating: Good
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Kavekk wrote:
Nilatai wrote:
Looks like the Standard model holds up!! Smiley: grin


Let's not get carried away here.

I should have added "if this is indeed the Higgs".

If it's the Higgs, the Standard Model is correct. Which means we're that one step closer to a GUTOE!
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#10 Jul 04 2012 at 10:28 PM Rating: Good
I know very little about physics, but I still think this is pretty damn cool. I'll have to check out those videos so I have a better understanding of the importance of this discovery. Thanks!
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#11 Jul 05 2012 at 12:35 AM Rating: Good
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PigtailsOfDoom wrote:
I know very little about physics, but I still think this is pretty damn cool. I'll have to check out those videos so I have a better understanding of the importance of this discovery. Thanks!

I know just enough about physics to be annoyed by the fact that I have no idea what they're talking about, because I'm to lazy to bother looking it up Smiley: glare
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#12 Jul 08 2012 at 7:48 PM Rating: Excellent
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Let's not get carried away here


This is the appropriate response. While it's very likely this demonstrates the existence of a Higgs Field that imparts mass to other particles, there are multiple interesting datapoints that indicate mechanics not adequately explained by theory at the moment. Very preliminary data and all that, but it looks likely that there may be multiple Higgs particles with distinct mechanics.

Big victory for the Standard Model, of course, probably an even bigger victory for the future of theoretical physics, pushing more new theorists down experimentally valid avenues of thought (ie: Not M Theory).

Also, brightens the outlook for other very weak field particles. Gravitons for instance.
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#13 Jul 09 2012 at 6:39 AM Rating: Good
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Nilatai wrote:


If it's the Higgs, the Standard Model is correct. Which means we're that one step closer to a GUTOE!

Won't happen. About the time you think you're in reach of winning the game, there will be another expansion.
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#14 Jul 09 2012 at 7:29 AM Rating: Excellent
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