Rapidity distributions in exclusive 𝑍 +jet and 𝛾 +jet events in 𝑝⁢𝑝 collisions at √𝑠 =7  TeV

Serguei Chatrchyan; Felix Bachmair; Lukas Bäni; Lorenzo Bianchini; Pierluigi Bortignon; Marco A Buchmann; Bruno Casal; 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; Daniel Meister; 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; Alessandro Thea; Ludwig Tauscher; Konstantinos Theofilatos; Daniel Treille; Christina Urscheler; Rainer Wallny; Hannsjörg A Weber; CMS Collaboration

doi:10.1103/PhysRevD.88.112009

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Rapidity distributions in exclusive 𝑍 +jet and 𝛾 +jet events in 𝑝⁢𝑝 collisions at √𝑠 =7 TeV

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Rapidity distributions in exclusive 𝑍 +jet and 𝛾 +jet events in 𝑝⁢𝑝 collisions at √𝑠 =7 TeV

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

Physical review. D, Particles, fields, gravitation, and cosmology, Vol.88(11), 112009

12/01/2013

DOI: 10.1103/PhysRevD.88.112009

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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 √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.

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Title: Subtitle: Rapidity distributions in exclusive 𝑍 +jet and 𝛾 +jet events in 𝑝⁢𝑝 collisions at √𝑠 =7 TeV
Creators: Serguei Chatrchyan
Felix Bachmair
Lukas Bäni
Lorenzo Bianchini
Pierluigi Bortignon
Marco A Buchmann
Bruno Casal
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
Daniel Meister
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
Alessandro Thea
Ludwig Tauscher
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.88(11), 112009
DOI: 10.1103/PhysRevD.88.112009
ISSN: 1550-7998
eISSN: 1550-2368
Publisher: American Physical Society
Language: English
Date published: 12/01/2013
Academic Unit: Physics and Astronomy
Record Identifier: 9984199760702771

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