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|a Abercrombie, Daniel Robert
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Laboratory for Nuclear Science
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|a Abercrombie, Daniel Robert
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|a Krajczar, Krisztian F.
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|a Lai, Yue Shi
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|a Lee, Yen-Jie
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|a Levin, Andrew Michael
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|a Luckey Jr, P David
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|a Maier, Benedikt
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|a Narayanan, Siddharth Madhavan
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|a Niu, Xinmei
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|a Paus, Christoph M. E.
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|a Roland, Christof E
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|a Roland, Gunther M
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|a Salfeld-Nebgen, Jakob Maxillian Henry
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|a Stephans, George S. F.
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|a Tatar, Kaya
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|a Velicanu, Dragos Alexandru
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|a Wang, J.
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|a Wang, Ta-Wei
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|a Wyslouch, Boleslaw
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|a Measurement of the semileptonic t[¯ over t] + γ production cross section in pp collisions at √s=8 TeV
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|b Springer Nature,
|c 2018-11-08T20:18:43Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/118965
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|a A measurement of the cross section for top quark-antiquark (t[¯ over t) pairs produced in association with a photon in proton-proton collisions at s=8 TeV is presented. The analysis uses data collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 19.7 fb[superscript 1]. The signal is defined as the production of a t[¯ over t] pair in association with a photon having a transverse energy larger than 25 GeV and an absolute pseudorapidity smaller than 1.44. The measurement is performed in the fiducial phase space corresponding to the semileptonic decay chain of the t[¯ over t] pair, and the cross section is measured relative to the inclusive t[¯ over t] pair production cross section. The fiducial cross section for associated t[¯ over t] pair and photon production is found to be 127 ±27 (stat+syst) fb per semileptonic final state. The measured value is in agreement with the theoretical prediction. Keywords: Hadron-Hadron scattering (experiments), Top physics
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|a National Science Foundation (U.S.)
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|a United States. Department of Energy
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|a Article
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|t Journal of High Energy Physics
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