Measurement of associated production of a W boson and a charm quark in proton–proton collisions at √s=13Te

Albert M Sirunyan; Malte Backhaus; Lukas Bäni; Pirmin Berger; Nadezda Chernyavskaya; Günther Dissertori; Michael Dittmar; Mauro Donegà; Christian Dorfer; Christophorus Grab; Dmitry Hits; Jan Hoss; Thomas Klijnsma; Werner Lustermann; Riccardo A Manzoni; Matthieu Marionneau; Maren T Meinhard; Francesco Micheli; Pasquale Musella; Francesca Nessi-Tedaldi; Joosep Pata; Felicitas Pauss; Gaël Perrin; Luca Perrozzi; Simone Pigazzini; Milena Quittnat; Daniele Ruini; Diego A Sanz Becerra; Myriam Schönenberger; Lesya Shchutska; Vittorio R Tavolaro; Konstantinos Theofilatos; Minna L Vesterbacka Olsson; Rainer Wallny; D. H Zhu; CMS Collaboration; Y Onel

doi:10.1140/epjc/s10052-019-6752-1

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Measurement of associated production of a W boson and a charm quark in proton–proton collisions at √s=13Te

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Measurement of associated production of a W boson and a charm quark in proton–proton collisions at √s=13Te

Albert M Sirunyan, Malte Backhaus, Lukas Bäni, Pirmin Berger, Nadezda Chernyavskaya, Günther Dissertori, Michael Dittmar, Mauro Donegà, Christian Dorfer, Christophorus Grab, …

The European physical journal. C, Particles and fields, Vol.79(3), 269

03/01/2019

DOI: 10.1140/epjc/s10052-019-6752-1

PMID: 30971865

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Abstract

Measurements are presented of associated production of a W boson and a charm quark (W+c) in protonâ€“proton collisions at a center-of-mass energy of 13TeV. The data correspond to an integrated luminosity of 35.7fbâˆ’1 collected by the CMS experiment at the CERN LHC. The W bosons are identified by their decay into a muon and a neutrino. The charm quarks are tagged via the full reconstruction of Dâˆ—(2010)Â± mesons that decay via Dâˆ—(2010)Â±â†’D0+Ï€Â±â†’Kâˆ“+Ï€Â±+Ï€Â±. A cross section is measured in the fiducial region defined by the muon transverse momentum pÎ¼T>26GeV, muon pseudorapidity |Î·Î¼|<2.4, and charm quark transverse momentum pcT>5GeV. The inclusive cross section for this kinematic range is Ïƒ(W+c)=1026Â±31(stat)+76âˆ’72(syst) pb. The cross section is also measured differentially as a function of the pseudorapidity of the muon from the W boson decay. These measurements are compared with theoretical predictions and are used to probe the strange quark content of the proton.

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Nuclear Experiment

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Title: Subtitle: Measurement of associated production of a W boson and a charm quark in proton–proton collisions at √s=13Te
Creators: Albert M Sirunyan - Yerevan Physics Institute
Malte Backhaus
Lukas Bäni
Pirmin Berger
Nadezda Chernyavskaya
Günther Dissertori
Michael Dittmar
Mauro Donegà
Christian Dorfer
Christophorus Grab
Dmitry Hits
Jan Hoss
Thomas Klijnsma
Werner Lustermann
Riccardo A Manzoni
Matthieu Marionneau
Maren T Meinhard
Francesco Micheli
Pasquale Musella
Francesca Nessi-Tedaldi
Joosep Pata
Felicitas Pauss
Gaël Perrin
Luca Perrozzi
Simone Pigazzini
Milena Quittnat
Daniele Ruini
Diego A Sanz Becerra
Myriam Schönenberger
Lesya Shchutska
Vittorio R Tavolaro
Konstantinos Theofilatos
Minna L Vesterbacka Olsson
Rainer Wallny
D. H Zhu
CMS Collaboration
Y Onel (Contributor) - University of Iowa, Physics and Astronomy
Resource Type: Journal article
Publication Details: The European physical journal. C, Particles and fields, Vol.79(3), 269
DOI: 10.1140/epjc/s10052-019-6752-1
PMID: 30971865
NLM abbreviation: Eur Phys J C Part Fields
ISSN: 1434-6044
eISSN: 1434-6052
Publisher: Springer
Language: English
Date published: 03/01/2019
Academic Unit: Physics and Astronomy
Record Identifier: 9984200056402771

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