Measurement of the transverse momentum spectra of weak vector bosons produced in proton-proton collisions at sqrt(s) = 8 TeV
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V. Khachatryan
- Function : Author
S. Baffioni
- Function : Author
- PersonId : 20331
- IdHAL : stephanie-barrillon
- ORCID : 0000-0002-7075-1673
P. Busson
- Function : Author
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R. Granier De Cassagnac
- Function : Author
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P. Paganini
- Function : Author
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- IdHAL : pascal-paganini
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N. Chanon
- Function : Author
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- IdHAL : nicolas-chanon
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C. Collard
- Function : Author
- PersonId : 753602
- IdHAL : caroline-collard
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M. Gouzevitch
- Function : Author
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- IdHAL : maxime-gouzevitch
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- IdRef : 13627160X
Fabienne Lagarde
- Function : Author
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- IdHAL : fabienne-lagarde
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M. Lethuillier
- Function : Author
- PersonId : 740178
- IdHAL : morgan-lethuillier
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- IdRef : 090177835
V. Sordini
- Function : Author
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- IdHAL : viola-sordini
- ORCID : 0000-0003-0885-824X
- IdRef : 128184035
S. Viret
- Function : Author
- PersonId : 1093632
- IdHAL : seb-viret
- ORCID : 0000-0002-1935-623X
Abstract
The transverse momentum spectra of weak vector bosons are measured in the CMS experiment at the LHC. The measurement uses a sample of proton-proton collisions at sqrt(s) = 8 TeV, collected during a special low-luminosity running that corresponds to an integrated luminosity of 18.4 inverse-picobarns. The production of W bosons is studied in both electron and muon decay modes, while the production of Z bosons is studied using only the dimuon decay channel. The ratios of W- to W+ and Z to W differential cross sections are also measured. The measured differential cross sections and ratios are compared with theoretical predictions up to next-to-next leading order in QCD.
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