Photon pair in CMS

Photon pair in CMS

This is a typical candidate event in which a possible Higgs decays into two photons. The two high-energy...

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Uploaded on Dec 13, 2011

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Ringing out 2011 with heavy metal (ions)

Ringing out 2011 with heavy metal (ions)

Collisions of lead ions at the LHC have resumed and will continue until the winter shut shutdown. This lead...

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Uploaded on Nov 23, 2011

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An ATLAS WZ candidate

An ATLAS WZ candidate

The Standard Model predicts that sometimes two bosons will be produced together given enough energy. This...

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Uploaded on Nov 14, 2011

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LHCb sees Standard Model in the mix

LHCb sees Standard Model in the mix

The LHCb investigations of strange B mesons (B-zero-s) have yielded more and important results....

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Uploaded on Sep 12, 2011

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An ATLAS double Z candidate

An ATLAS double Z candidate

This event may not be a Higgs but a Higgs might look similar to this in ATLAS. One possible Higgs decay...

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Uploaded on Aug 24, 2011

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ATLAS dijets for possible new physics

ATLAS dijets for possible new physics

In some fraction of proton collisions, two highly energetic quarks (or gluons) are among the outgoing...

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Uploaded on Jul 5, 2011

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CMS: Melting down upsilon

CMS: Melting down upsilon

Upsilon particles come in three distinct "states" which depend on how tightly the quarks and...

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Uploaded on Jun 2, 2011

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 ATLAS still seeking SUSY

ATLAS still seeking SUSY

ATLAS recently published results of the search for supersymmetric particles, summarized by this graph. The...

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Uploaded on May 26, 2011

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LHCb discovers a new, rare decay

LHCb discovers a new, rare decay

LHCb continues its investigations into the mysteries of B mesons. Here, a particular kind of B...

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Uploaded on May 20, 2011

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ALICE is in the game for 2011

ALICE is in the game for 2011

This image is a screen shot of the the event display from one of the first events in ALICE of the 2011 run...

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Uploaded on May 12, 2011

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LHC is back

LHC is back

After a winter hiatus, the Large Hadron Collider is running again with its 7 TeV proton collision program...

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Uploaded on Apr 8, 2011

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CMS sees Z's in collisions of Pb

CMS sees Z's in collisions of Pb

CMS has an important first: detection and measurement of decays that appear to be from Z bosons inside the...

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Uploaded on Dec 17, 2010

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Asymmetry in ATLAS

Asymmetry in ATLAS

This event is highly asymmetric: there are two opposite jets visible as bunches of tracks in the event...

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Uploaded on Dec 10, 2010

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What is jet quenching? See CMS.

What is jet quenching? See CMS.

This event in the first lead-ion run of the LHC has two nearly back-to-back jets of particles from a single...

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Uploaded on Dec 2, 2010

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ALICE with a side order of muons

ALICE with a side order of muons

The lead ion program continues. ALICE is giving us a window to the first moments of the universe by better...

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Uploaded on Nov 22, 2010

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Point 2, we have lead ions

Point 2, we have lead ions

ust a few days ago the LHC began colliding lead ions for the first time. When lead ions collide at high...

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Uploaded on Nov 12, 2010

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CMS Milestone: Measuring Multiplicity

CMS Milestone: Measuring Multiplicity

CMS found something interesting in high multiplicity events—those with many pairs of particles produced...

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Uploaded on Nov 4, 2010

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Candidate W-boson decay to tau and neutrino in ATLAS

Candidate W-boson decay to tau and neutrino in ATLAS

When a W-boson decays into a tau and a neutrino, the tau promptly decays as well. Taus are heavier cousins...

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Uploaded on Oct 29, 2010

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