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Search for new physics in lepton + photon + X events with 929  pb−1 of pp collisions at s√=1.96  TeV

CollaborationWith : Campanelli, Mario / Clark, Allan Geoffrey / Donega, Mauro / Moed, Shulamit / Sfyrla, Anna / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review. D. 2007, vol. 75, no. 11, p. 112001
Abstract We present results of a search at CDF in 929±56  pb−1 of pp collisions at 1.96 TeV for the anomalous production of events containing a high-transverse momentum charged lepton (ℓ, either e or μ) and photon (γ), accompanied by missing transverse energy (E̸T), and/or additional leptons and photons, and jets (X). We use the same selection criteria as in a previous CDF Run I search, but with an order-magnitude larger data set, a higher pp collision energy, and the CDF II detector. We find 163 ℓγE̸T+X events, compared to an expectation of 150.6±13.0 events. We observe 74 ℓℓγ+X events, compared to an expectation of 65.1±7.7 events. We find no events similar to the Run I eeγγE̸T event.
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CDF COLLABORATION. Search for new physics in lepton + photon + X events with 929  pb−1 of pp collisions at s√=1.96  TeV. In: Physical Review. D, 2007, vol. 75, n° 11, p. 112001. https://archive-ouverte.unige.ch/unige:38441

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Deposited on : 2014-07-03

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