Measurement of the D± production asymmetry in 7 TeV pp collisions

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The asymmetry in the production cross-section σ of D± mesons,AP=σ(D+)-σ(D-)σ(D+)+σ(D-), 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+→KS0π+ 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




Aaij, R., Abellan Beteta, C., Adametz, A., Adeva, B., Adinolfi, M., Adrover, C., … Zvyagin, A. (2013). Measurement of the D± production asymmetry in 7 TeV pp collisions. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 718(3), 902–909.

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