Angular coefficients of Z bosons produced in pp collisions at s=8 TeV and decaying to ?+?? as a function of transverse momentum and rapidity
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Erişim
info:eu-repo/semantics/openAccessTarih
2015Yazar
Khachatryan, V.Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Collaboration
Üst veri
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Measurements of the five most significant angular coefficients, A0 through A4, for Z bosons produced in pp collisions at s=8 TeV and decaying to ?+?? are presented as a function of the transverse momentum and rapidity of the Z boson. The integrated luminosity of the dataset collected with the CMS detector at the LHC corresponds to 19.7fb?1. These measurements provide comprehensive information about the Z boson production mechanisms, and are compared to the QCD predictions at leading order, next-to-leading order, and next-to-next-to-leading order in perturbation theory
Kaynak
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy PhysicsCilt
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