two gamma event


Csaba Csaki

Buried Higgs

Dec. 15, 2009

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Abstract: I present an extension of the MSSM, where the global symmetry breaking structure will imply the presence of a light pseudo-scalar particle eta, to which the higgs will preferentially decay. Depending on the choice of the fermionic matter content the eta will either decay to two gluons or two charm quarks leading to h->4 jet decays. This decay channel is currently not strongly constrained, and the Higgs could be as light as ~90 GeV, thereby solving the little hierarchy problem. While lots of superpartners and little partners should be detectable at the LHC, the Higgs might remain buried under the QCD background.

Time: 12:30pm-1:30pm

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