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Measurement of the Zgamma->nunugamma production cross section in pp collisions at sqrt(s) = 8 NeV and limits on anomalous ZZγ and Zγγ trilinear gauge boson couplings

Physics Letters B. 2016. Vol. 760. P. 448–468.
Khachatryan V., Ratnikov F.

An inclusive measurement of the  production cross section in pp collisions at  is presented, using data corresponding to an integrated luminosity of 19.6 fb−1collected 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 and absolute pseudorapidity in the range |η|<1.44. The measured  production cross section, 52.7±2.1 (stat)±6.4 (syst)±1.4 (lumi) fb, agrees well with the standard model prediction of . A study of the photon transverse momentum spectrum yields the most stringent limits to date on the anomalous ZZγ and Zγγ trilinear gauge boson couplings.

 

Language: English
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Keywords: photonsMET
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