Measurement of the production cross section for Z gamma to nu nu gamma in pp collisions at sqrt(s) = 8 TeV and limits on Z Z gamma and Z gamma gamma triple gauge boson couplings
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Abstract:
A measurement of the
Z cross section in pp collisions at
TeV is presented, using data corresponding to an integrated
luminosity of 19.6 fb collected with the CMS detector at the LHC.
This measurement is based on the observation of events with missing transverse momentum above 140 GeV and
a single photon with
transverse momentum above 145 GeV and absolute pseudorapidity range . The measured Z
production cross section, fb,
agrees well with the standard model prediction of
fb. The results yield the most
stringent limits to date on the anomalous ZZ and Z trilinear gauge boson couplings.Note:
- Preliminary results
- Data
- p p: scattering
- p p: colliding beams
- gauge boson: pair production
- Z0: leptonic decay
- gauge boson: coupling
- coupling: (3gauge boson)
- coupling: (2Z0 photon)
- coupling: (Z0 2photon)
- coupling: anomaly
References(27)
Figures(6)
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