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Groups > sci.physics > #507892
| Newsgroups | sci.physics |
|---|---|
| Date | 2015-07-18 13:37 -0700 |
| References | <y9WdnWFKwLdGNTTInZ2dnUVZ5hydnZ2d@giganews.com> |
| Message-ID | <b80273c0-bc49-4654-b82f-dfd8dbf0866f@googlegroups.com> (permalink) |
| Subject | Re: Something goes bump in the data |
| From | "reber g=emc^2" <herbertglazier0@gmail.com> |
On Friday, July 17, 2015 at 6:16:14 PM UTC-7, Sam Wormley wrote: > Something goes bump in the data > The CMS and ATLAS experiments at the LHC see something mysterious, but > it's too soon to pop the Champagne. > > http://www.symmetrymagazine.org/article/july-2015/something-goes-bump-in-the-data > > > An unexpected bump in data gathered during the first run of the Large > > Hadron Collider is stirring the curiosity of scientists on the two > > general-purpose LHC experiments, ATLAS and CMS. > > > CMS first reported the bump in July 2014. But because it was small > > and insignificant, they dismissed it as a statistical fluke. Recently > > ATLAS confirmed that they also see a bump in roughly the same place, > > and this time it's bigger and stronger. > > > "Both ATLAS and CMS are developing new search techniques that are > > greatly improving our ability to search for new particles," says > > Ayana Arce, an assistant professor of physics at Duke University. "We > > can look for new physics in ways we couldn't before." > > > Unlike the pronounced peak that recently led to the discovery of > > pentaquarks, these two studies are in their nascent stages. And > > scientists aren't quite sure what they're seeing yet... or if they're > > seeing anything at all. > > > If this bump matures into a sharp peak during the second run of the > > LHC, it could indicate the existence of a new heavy particle with > > 2000 times the mass of a proton. The discovery of a new and > > unpredicted particle would revolutionize our understanding of the > > laws of nature. But first, scientists have to rule out false leads. > > > "It's like trying to pick up a radio station," says theoretical > > physicist Bogdan Dobrescu of Fermi National Accelerator Laboratory > > who co-authored a paper on the bump in CMS and ATLAS data. "As you > > tune the dial, you think you're beginning to hear voices through the > > static, but you can't understand what they're saying, so you keep > > tuning until you hear a clear voice." > > > On the heels of the Higgs boson discovery in the first run of the > > LHC, scientists must navigate a tricky environment where people are > > hungry for new results while relying on data that is slow to gather > > and laborious to interpret. > > > The data physicists are analyzing are particle decay patterns around > > 2 TeV, or 2000 GeV. > > > "We can't see short-lived particles directly, but we can reconstruct > > their mass based on what they transform into during their decay," > > says Jim Olsen, a professor of physics at Princeton University. "For > > instance, we found the Higgs boson because we saw more pairs of W > > bosons, Z bosons and photons at 125 GeV than our background models > > predicted." > > -- > > sci.physics is an unmoderated newsgroup dedicated > to the discussion of physics, news from the physics > community, and physics-related social issues. SAm I think alien life is trying to get a message through to the Swiss LHC. TreBert
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Re: Something goes bump in the data "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-07-18 13:37 -0700 Re: Something goes bump in the data Sam Wormley <swormley1@gmail.com> - 2015-07-18 14:41 -0600 Re: Something goes bump in the data "hanson" <hanson@quick.net> - 2015-07-18 14:28 -0700
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