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The differential production cross section of the ? (1020) meson in vs=7 TeV pp collisions measured with the ATLAS detector

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posted on 2023-06-09, 06:04 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, C A Chavez Barajas, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, I Santoyo Castillo, K Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, et al. The ATLAS Collaboration
A measurement is presented of the ?×BR(??K+K-) production cross section at vs=7 TeV using pp collision data corresponding to an integrated luminosity of 383 µb-1, collected with the ATLAS experiment at the LHC. Selection of ? (1020) mesons is based on the identification of charged kaons by their energy loss in the pixel detector. The differential cross section is measured as a function of the transverse momentum, pT,?, and rapidity, y?, of the ? (1020) meson in the fiducial region 500 230 MeV and kaon momentum pK<800 MeV. The integrated ?(1020)-meson production cross section in this fiducial range is measured to be s?×BR(??K+K-) = 570 ± 8 (stat) ± 66 (syst) ± 20 (lumi) µb.

Funding

ATLAS; G0275; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/I006048/1

History

Publication status

  • Published

File Version

  • Published version

Journal

European Physical Journal C

ISSN

1434-6044

Publisher

Springer Verlag

Issue

2895

Volume

74

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-05-03

First Open Access (FOA) Date

2017-05-03

First Compliant Deposit (FCD) Date

2017-05-03

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