Scientific article
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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

ContributorsCDF Collaboration
Publication date2007

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.

Citation (ISO format)
CDF Collaboration. Search for new physics in lepton + photon + <em>X</em> events with 929  pb<sup>−1</sup> of <em>pp</em> collisions at s√=1.96  TeV. In: Physical review. D. Particles, fields, gravitation, and cosmology, 2007, vol. 75, n° 11, p. 112001. doi: 10.1103/PhysRevD.75.112001
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Article (Published version)
ISSN of the journal1550-2368

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