Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV

© 2020, CERN for the benefit of the LHCb Collaboration. The cross-sections of ψ(2 S) meson production in proton-proton collisions at s=13TeV are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of 275pb-1. The production cross-sections for prompt ψ...

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Main Author: Williams, Michael
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:English
Published: Springer Science and Business Media LLC 2022
Online Access:https://hdl.handle.net/1721.1/142438
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author Williams, Michael
author2 Massachusetts Institute of Technology. Department of Physics
author_facet Massachusetts Institute of Technology. Department of Physics
Williams, Michael
author_sort Williams, Michael
collection MIT
description © 2020, CERN for the benefit of the LHCb Collaboration. The cross-sections of ψ(2 S) meson production in proton-proton collisions at s=13TeV are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of 275pb-1. The production cross-sections for prompt ψ(2 S) mesons and those for ψ(2 S) mesons from b-hadron decays (ψ(2S)-from-b) are determined as functions of the transverse momentum, pT, and the rapidity, y, of the ψ(2 S) meson in the kinematic range 2<pT<20GeV/c and 2.0 < y< 4.5. The production cross-sections integrated over this kinematic region are σ(promptψ(2S),13TeV)=1.430±0.005(stat)±0.099(syst)μb,σ(ψ(2S)-from-b,13TeV)=0.426±0.002(stat)±0.030(syst)μb.A new measurement of ψ(2 S) production cross-sections in pp collisions at s=7TeV is also performed using data collected in 2011, corresponding to an integrated luminosity of 614pb-1. The integrated production cross-sections in the kinematic range 3.5<pT<14GeV/c and 2.0 < y< 4.5 are σ(promptψ(2S),7TeV)=0.471±0.001(stat)±0.025(syst)μb,σ(ψ(2S)-from-b,7TeV)=0.126±0.001(stat)±0.008(syst)μb.All results show reasonable agreement with theoretical calculations.
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spelling mit-1721.1/1424382023-12-08T17:31:56Z Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV Williams, Michael Massachusetts Institute of Technology. Department of Physics © 2020, CERN for the benefit of the LHCb Collaboration. The cross-sections of ψ(2 S) meson production in proton-proton collisions at s=13TeV are measured with a data sample collected by the LHCb detector corresponding to an integrated luminosity of 275pb-1. The production cross-sections for prompt ψ(2 S) mesons and those for ψ(2 S) mesons from b-hadron decays (ψ(2S)-from-b) are determined as functions of the transverse momentum, pT, and the rapidity, y, of the ψ(2 S) meson in the kinematic range 2<pT<20GeV/c and 2.0 < y< 4.5. The production cross-sections integrated over this kinematic region are σ(promptψ(2S),13TeV)=1.430±0.005(stat)±0.099(syst)μb,σ(ψ(2S)-from-b,13TeV)=0.426±0.002(stat)±0.030(syst)μb.A new measurement of ψ(2 S) production cross-sections in pp collisions at s=7TeV is also performed using data collected in 2011, corresponding to an integrated luminosity of 614pb-1. The integrated production cross-sections in the kinematic range 3.5<pT<14GeV/c and 2.0 < y< 4.5 are σ(promptψ(2S),7TeV)=0.471±0.001(stat)±0.025(syst)μb,σ(ψ(2S)-from-b,7TeV)=0.126±0.001(stat)±0.008(syst)μb.All results show reasonable agreement with theoretical calculations. 2022-05-10T13:29:47Z 2022-05-10T13:29:47Z 2020 2022-05-10T13:26:00Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/142438 Williams, Michael. 2020. "Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV." The European Physical Journal C - Particles and Fields, 80 (3). en 10.1140/EPJC/S10052-020-7638-Y The European Physical Journal C - Particles and Fields Creative Commons Attribution 4.0 International License https://creativecommons.org/licenses/by/4.0 application/pdf Springer Science and Business Media LLC Springer
spellingShingle Williams, Michael
Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV
title Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV
title_full Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV
title_fullStr Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV
title_full_unstemmed Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV
title_short Measurement of ψ (2S) production cross-sections in proton-proton collisions at √s =7 and 13 TeV
title_sort measurement of ψ 2s production cross sections in proton proton collisions at √s 7 and 13 tev
url https://hdl.handle.net/1721.1/142438
work_keys_str_mv AT williamsmichael measurementofps2sproductioncrosssectionsinprotonprotoncollisionsats7and13tev