Measurement of the 𝑊⁢𝛾 and 𝑍⁢𝛾 inclusive cross sections in 𝑝⁢𝑝 collisions at √𝑠=7  TeV and limits on anomalous triple gauge boson couplings

Serguei Chatrchyan; Felix Bachmair; Lukas Bäni; Lorenzo Bianchini; Pierluigi Bortignon; Marco A Buchmann; Bruno Casal Laraña; Nicolas Chanon; Amanda Deisher; Günther Dissertori; Michael Dittmar; Mauro Donegà; Marc Dünser; Philipp Eller; Klaus Freudenreich; Christoph Grab; Dmitry Hits; Pierre Lecomte; Werner Lustermann; Boris Mangano; Andrea C Marini; Pablo Martinez Ruiz Del Arbol; Niklas Mohr; Filip Moortgat; Christoph Nägeli; Pascal Nef; Francesca Nessi-Tedaldi; Francesco Pandolfi; Luc Pape; Felicitas Pauss; Marco Peruzzi; Frédéric J Ronga; Marco Rossini; Leonardo Sala; Ann-Karin Sanchez; Andrey Starodumov; Benjamin Stieger; Maiko Takahashi; Ludwig Tauscher; Alessandro Thea; Konstantinos Theofilatos; Daniel Treille; Christina Urscheler; Rainer Wallny; Hannsjörg A Weber; CMS Collaboration

doi:10.1103/PhysRevD.89.092005

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Measurement of the 𝑊⁢𝛾 and 𝑍⁢𝛾 inclusive cross sections in 𝑝⁢𝑝 collisions at √𝑠=7 TeV and limits on anomalous triple gauge boson couplings

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Measurement of the 𝑊⁢𝛾 and 𝑍⁢𝛾 inclusive cross sections in 𝑝⁢𝑝 collisions at √𝑠=7 TeV and limits on anomalous triple gauge boson couplings

Serguei Chatrchyan, Felix Bachmair, Lukas Bäni, Lorenzo Bianchini, Pierluigi Bortignon, Marco A Buchmann, Bruno Casal Laraña, Nicolas Chanon, Amanda Deisher, Günther Dissertori, …

Physical review. D, Particles, fields, gravitation, and cosmology, Vol.89(9), 092005

01/01/2014

DOI: 10.1103/PhysRevD.89.092005

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Abstract

Measurements of 𝑊⁢𝛾 and 𝑍⁢𝛾 production in proton-proton collisions at √𝑠=7 TeV are used to extract limits on anomalous triple gauge couplings. The results are based on data recorded by the CMS experiment at the LHC that correspond to an integrated luminosity of 5.0 fb−1. The cross sections are measured for photon transverse momenta 𝑝𝛾 T>15 GeV, and for separations between photons and final-state charged leptons in the pseudorapidity-azimuthal plane of Δ⁢𝑅⁡(ℓ,𝛾) >0.7 in ℓ⁢𝜈⁢𝛾 and ℓ⁢ℓ⁢𝛾 final states, where ℓ refers either to an electron or a muon. A dilepton invariant mass requirement of 𝑚ℓ⁢ℓ>50 GeV is imposed for the 𝑍⁢𝛾 process. No deviations are observed relative to predictions from the standard model, and limits are set on anomalous 𝑊⁢𝑊⁢𝛾, 𝑍⁢𝑍⁢𝛾, and 𝑍⁢𝛾⁢𝛾 triple gauge couplings.

High Energy Physics

Experiment

Nuclear Experiment

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Title: Subtitle: Measurement of the 𝑊⁢𝛾 and 𝑍⁢𝛾 inclusive cross sections in 𝑝⁢𝑝 collisions at √𝑠=7 TeV and limits on anomalous triple gauge boson couplings
Creators: Serguei Chatrchyan
Felix Bachmair
Lukas Bäni
Lorenzo Bianchini
Pierluigi Bortignon
Marco A Buchmann
Bruno Casal Laraña
Nicolas Chanon
Amanda Deisher
Günther Dissertori
Michael Dittmar
Mauro Donegà
Marc Dünser
Philipp Eller
Klaus Freudenreich
Christoph Grab
Dmitry Hits
Pierre Lecomte
Werner Lustermann
Boris Mangano
Andrea C Marini
Pablo Martinez Ruiz Del Arbol
Niklas Mohr
Filip Moortgat
Christoph Nägeli
Pascal Nef
Francesca Nessi-Tedaldi
Francesco Pandolfi
Luc Pape
Felicitas Pauss
Marco Peruzzi
Frédéric J Ronga
Marco Rossini
Leonardo Sala
Ann-Karin Sanchez
Andrey Starodumov
Benjamin Stieger
Maiko Takahashi
Ludwig Tauscher
Alessandro Thea
Konstantinos Theofilatos
Daniel Treille
Christina Urscheler
Rainer Wallny
Hannsjörg A Weber - RWTH Aachen University
CMS Collaboration
Contributors: C. R Newsom (Contributor) - University of Iowa, Physics and Astronomy
Y Onel (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Journal article
Publication Details: Physical review. D, Particles, fields, gravitation, and cosmology, Vol.89(9), 092005
DOI: 10.1103/PhysRevD.89.092005
ISSN: 1550-7998
eISSN: 1550-2368
Publisher: American Physical Society
Language: English
Date published: 01/01/2014
Academic Unit: Physics and Astronomy
Record Identifier: 9984199736102771

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