The LHCb collaboration (2013) Measurement of the D± production asymmetry in 7 TeV pp collisions. Physics Letters B, 718 (3). pp. 902-909. ISSN 0370-2693
Abstract
The asymmetry in the production cross-section σ of D± mesons, Ap = [σ(D+)− σ(D−)] / [σ(D+)+ σ(D−)] (for equation formatting, see published paper) is measured in bins of pseudorapidity η and transverse momentum pT within the acceptance of the LHCb detector. The result is obtained with a sample of D+ → K0 Sπ+ decays corresponding to an integrated luminosity of 1.0 fb−1, collected in pp collisions at a centre of mass energy of 7 TeV at the Large Hadron Collider. When integrated over the kinematic range 2.0 < pT < 18.0 GeV/c and 2.20 < η < 4.75, the production asymmetry is AP = (−0.96 ± 0.26 ± 0.18)%. The uncertainties quoted are statistical and systematic, respectively. The result assumes that any direct CP violation in the D+ → K0 Sπ+ decay is negligible. No significant dependence on η or pT is observed.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2012 CERN. Published by Elsevier B.V. Open access under CC BY-NC-ND license https://creativecommons.org/licenses/by-nc-nd/4.0/ |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Earth and Environment (Leeds) > Inst for Climate & Atmos Science (ICAS) (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 13 May 2019 10:11 |
Last Modified: | 13 May 2019 10:13 |
Status: | Published |
Publisher: | Elsevier |
Identification Number: | 10.1016/j.physletb.2012.11.038 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:109784 |