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Title
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Measurement of the production cross section in pp collisions at =8 TeV and limits on anomalous and trilinear 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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| An inclusive measurement of the Z gamma -> nu(nu) over bar gamma production cross section in pp collisions at root s = 8 TeV is presented, using data corresponding to an integrated luminosity of 19.6fb(-1) collected with the CMS detector at the LHC. This measurement is based on the observation of events with large missing energy and with a single photon with transverse momentum above 145 GeV and absolute pseudorapidity in the range vertical bar eta vertical bar < 1.44. The measured Z gamma -> nu<(nu)over bar>gamma production cross section, 52.7 +/- 2.1(stat) +/- 6.4(syst) +/- 1.4(lumi) fb, agrees well with the standard model prediction of 50.0(-2.2)(+2.4) fb. A study of the photon transverse momentum spectrum yields the most stringent limits to date on the anomalous ZZ gamma and Z gamma gamma trilinear gauge boson couplings. (C) 2016 The Author(s). Published by Elsevier B.V. |
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Language
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English
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Source (journal)
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Physics letters : B. - Amsterdam, 1967, currens
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Publication
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Amsterdam
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North-Holland
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2016
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ISSN
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0370-2693
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DOI
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10.1016/J.PHYSLETB.2016.06.080
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Volume/pages
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760
(2016)
, p. 448-468
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ISI
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000382890500071
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Full text (Publisher's DOI)
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Full text (open access)
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