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Search for Weakly-interacting Long-lived Particles in Proton-proton Collisions at [square Root Of] S

Orin Michael Harris

出版	University of Washington Libraries, 2013
URL	http://books.google.com.hk/books?id=6vINoAEACAAJ&hl=&source=gbs_api

註釋

A search for the decay of a light Higgs boson to a pair of weakly-interacting, long-lived particles in 20.8 fb-1 of proton-proton collisions at [square root of] s = 8 TeV recorded in 2012 by the ATLAS detector is presented. The strategy requires that both of the long-lived particles decay just before or inside the hadronic calorimeter. No statistically significant excess of events is observed above the expected background and limits on the Higgs boson production and branching ratio to weakly-interacting, long-lived particles are derived as a function of the particle's proper decay length.