Searches for New Physics in Photon+Missing Energy Signatures at ATLAS

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Date/Time:Wednesday, 20 Feb 2013 from 4:10 pm to 5:10 pm
Location:A401, Zaffarano Hall
Contact:Chunhui Chen
Phone:515-294-5062
Channel:High Energy Physics
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Professor Jason Nielsen, U. of California, Santa Cruz

One of the promising signatures of new physics in the ATLAS experiment at the Large Hadron Collider is the ordinary photon at extraordinary energies. In models of gauge-mediated supersymmetry breaking, for example, photons can be produced in conjunction with gravitino dark matter candidates and even Higgs bosons. Recent ATLAS search results in three different photon+missing energy signatures place constraints on these new physics models, and the reach of these searches is complementary to other LHC searches.