Title
Rapidity distributions in exclusive <tex>$Z+$</tex> jet and <tex>$\gamma+$</tex> jet events in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV Rapidity distributions in exclusive <tex>$Z+$</tex> jet and <tex>$\gamma+$</tex> jet events in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
88(2013) :11 , p. 1-17
ISSN
0556-2821
Article Reference
112009
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Rapidity distributions are presented for events containing either a Z boson or a photon with a single jet in proton-proton collisions produced at the CERN LHC. The data, collected with the CMS detector at root s = 7 TeV, correspond to an integrated luminosity of 5.0 fb(-1). The individual rapidity distributions of the boson and the jet are consistent within 5% with expectations from perturbative QCD. However, QCD predictions for the sum and the difference in rapidities of the two final-state objects show discrepancies with CMS data. In particular, next-to-leading-order QCD calculations, and two common Monte Carlo event generators using different methods to match matrix-element partons with parton showers, appear inconsistent with the data as well as with each other.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/9cfad3/6639.pdf
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