Measurement of quarkonium production cross sections in pp collisions at √s=13TeV

the CMS Collaboration

doi:10.1016/j.physletb.2018.02.033

Measurement of quarkonium production cross sections in pp collisions at √s=13TeV

the CMS Collaboration

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

Differential production cross sections of J/ψ and ψ(2S) charmonium and Υ(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at s√= 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb−1 for the J/ψ and 2.7 fb−1 for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity |y|< 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt ψ(2S) to J/ψ, Υ(2S) to Υ(1S), and Υ(3S) to Υ(1S) production.

Original language	English
Pages (from-to)	251-272
Number of pages	22
Journal	Physics Letters B
Volume	780
Early online date	1 Mar 2018
DOIs	https://doi.org/10.1016/j.physletb.2018.02.033
Publication status	Published - 10 Mar 2018

Keywords

CMS
Quarkonium
Cross sections

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10.1016/j.physletb.2018.02.033

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@article{300593edf54c47e6b47e9f0407627391,

title = "Measurement of quarkonium production cross sections in pp collisions at √s=13TeV",

abstract = "Differential production cross sections of J/ψ and ψ(2S) charmonium and Υ(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at s√= 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb−1 for the J/ψ and 2.7 fb−1 for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity |y|< 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt ψ(2S) to J/ψ, Υ(2S) to Υ(1S), and Υ(3S) to Υ(1S) production. ",

keywords = "CMS, Quarkonium, Cross sections",

author = "Robin Aggleton and Fionn Ball and Lana Beck and Jim Brooke and Douglas Burns and Emyr Clement and David Cussans and Olivier Davignon and H. Fl{\"a}cher and Joel Goldstein and Mark Grimes and Greg Heath and Helen Heath and Jeson Jacob and Luke Kreczko and Chris Lucas and David Newbold and Sudarshan Paramesvaran and Tony Poll and Tai Sakuma and {Seif El Nasr}, {Sarah A} and Duncan Smith and Smith, {Vincent J} and {the CMS Collaboration}",

year = "2018",

month = mar,

day = "10",

doi = "10.1016/j.physletb.2018.02.033",

language = "English",

volume = "780",

pages = "251--272",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "North-Holland Publishing Company",

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TY - JOUR

T1 - Measurement of quarkonium production cross sections in pp collisions at √s=13TeV

AU - Aggleton, Robin

AU - Ball, Fionn

AU - Beck, Lana

AU - Brooke, Jim

AU - Burns, Douglas

AU - Clement, Emyr

AU - Cussans, David

AU - Davignon, Olivier

AU - Flächer, H.

AU - Goldstein, Joel

AU - Grimes, Mark

AU - Heath, Greg

AU - Heath, Helen

AU - Jacob, Jeson

AU - Kreczko, Luke

AU - Lucas, Chris

AU - Newbold, David

AU - Paramesvaran, Sudarshan

AU - Poll, Tony

AU - Sakuma, Tai

AU - Seif El Nasr, Sarah A

AU - Smith, Duncan

AU - Smith, Vincent J

AU - the CMS Collaboration

PY - 2018/3/10

Y1 - 2018/3/10

N2 - Differential production cross sections of J/ψ and ψ(2S) charmonium and Υ(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at s√= 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb−1 for the J/ψ and 2.7 fb−1 for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity |y|< 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt ψ(2S) to J/ψ, Υ(2S) to Υ(1S), and Υ(3S) to Υ(1S) production.

AB - Differential production cross sections of J/ψ and ψ(2S) charmonium and Υ(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at s√= 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb−1 for the J/ψ and 2.7 fb−1 for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity |y|< 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt ψ(2S) to J/ψ, Υ(2S) to Υ(1S), and Υ(3S) to Υ(1S) production.

KW - CMS

KW - Quarkonium

KW - Cross sections

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U2 - 10.1016/j.physletb.2018.02.033

DO - 10.1016/j.physletb.2018.02.033

M3 - Article (Academic Journal)

SN - 0370-2693

VL - 780

SP - 251

EP - 272

JO - Physics Letters B

JF - Physics Letters B

ER -

Measurement of quarkonium production cross sections in pp collisions at √s=13TeV

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