Angular coefficients of Z bosons produced in pp collisions at sqrt(s) = 8 TeV and decaying to mu+mu- as a function of transverse momentum and rapidity

CMS; Basegmez, Suzan; Beluffi, Camille; Bruno, Giacomo; Castello, Roberto; Caudron, Adrien; Ceard, Ludivine; Da Silveira, Gustavo Gil; Delaere, Christophe; Du Pree, Tristan; Favart, Denis; Forthomme, Laurent; Giammanco, Andrea; Hollar, Jonathan; Jafari, Abideh; Jez, Pavel; Komm, Matthias; Lemaitre, Vincent; Nuttens, Claude; Pagano, Davide

doi:10.1016/j.physletb.2015.08.061

Angular coefficients of Z bosons produced in pp collisions at sqrt(s) = 8 TeV and decaying to mu+mu- as a function of transverse momentum and rapidity

CMS

;

Basegmez, Suzan

;

Beluffi, Camille

;

Bruno, Giacomo

;

Bethani, Agni

;et.al.

(2015) Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics — Vol. B750, p. 154-175 (2015)

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Authors

CMSUCLouvain
Author
Basegmez, SuzanUCLouvain
Author
Beluffi, CamilleUCLouvain
Author
Bruno, GiacomoUCLouvain
Author
Castello, RobertoUCLouvain
Author
Caudron, AdrienUCLouvain
Author
Ceard, LudivineUCLouvain
Author
Da Silveira, Gustavo GilUCLouvain
Author
Delaere, ChristopheUCLouvain
Author
Du Pree, TristanUCLouvain
Author
Favart, DenisUCLouvain
Author
Forthomme, LaurentUCLouvain
Author
Giammanco, AndreaUCLouvain
Author
Hollar, JonathanUCLouvain
Author
Jafari, AbidehUCLouvain
Author
Jez, PavelUCLouvain
Author
Komm, MatthiasUCLouvain
Author
Lemaitre, VincentUCLouvain
Author
Nuttens, ClaudeUCLouvain
Author
Pagano, DavideUCLouvain
Author
Perrini, LuciaUCLouvain
Author
Pin, ArnaudUCLouvain
Author
Piotrzkowski, KrzysztofUCLouvain
Author
Popov, AndreyUCLouvain
Author
Quertenmont, LoïcUCLouvain
Author
Selvaggi, MicheleUCLouvain
Author
Vidal Maroño, MiguelUCLouvain
Author
Bethani, AgniUCLouvain
Author

Abstract

Measurements of the five most significant angular coefficients, A[0] through A[4], for Z bosons produced in pp collisions at $\sqrt{s}$ = 8 TeV and decaying to $\mu^+ \mu^-$ are presented as a function of the transverse momentum and rapidity of Z boson. The integrated luminosity of the dataset collected with the CMS detector at the LHC corresponds to 19.7 inverse femtobarns. These measurements provide comprehensive information about Z boson production mechanisms, and are compared to QCD predictions at leading order, next-to-leading order, and next-to-next-to-leading order in perturbation theory.

Affiliations

UCLouvainSST/IRMP - Institut de recherche en mathématique et physique

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CMS, Basegmez, S., Beluffi, C., Bruno, G., Castello, R., Caudron, A., Ceard, L., Da Silveira, G. G., Delaere, C., Du Pree, T., Favart, D., Forthomme, L., Giammanco, A., Hollar, J., Jafari, A., Jez, P., Komm, M., Lemaitre, V., Nuttens, C., et al. (2015). Angular coefficients of Z bosons produced in pp collisions at sqrt(s) = 8 TeV and decaying to mu+mu- as a function of transverse momentum and rapidity. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, B750, 154-175. https://doi.org/10.1016/j.physletb.2015.08.061 (Original work published 2015)