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Title
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Measurement of the Z production cross section in pp collisions at 8 TeV and search for anomalous triple gauge boson couplings
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| The cross section for the production of Z gamma in proton-proton collisions at 8 TeV is measured based on data collected by the CMS experiment at the LHC corresponding to an integrated luminosity of 19.5 fb(-1). Events with an oppositely-charged pair of muons or electrons together with an isolated photon are selected. The differential cross section as a function of the photon transverse momentum is measured inclusively and exclusively, where the exclusive selection applies a veto on central jets. The observed cross sections are compatible with the expectations of next-to-next-to-leading-order quantum chromodynamics. Limits on anomalous triple gauge couplings of ZZ gamma and Z gamma gamma are set that improve on previous experimental results obtained with the charged lepton decay modes of the Z boson. |
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Language
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English
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Source (journal)
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Journal of high energy physics. - Bristol
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Publication
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Bristol
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2015
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ISSN
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1126-6708
1029-8479
[online]
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DOI
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10.1007/JHEP04(2015)164
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Volume/pages
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4
(2015)
, 40 p.
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Article Reference
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164
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ISI
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000353818600001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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