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D_s meson production at central rapidity in proton--proton collisions at sqrt(s) = 7 TeV

Abstract : The pt-differential inclusive production cross section of the prompt charm-strange meson D_s in the rapidity range |y|<0.5 was measured in proton--proton collisions at sqrt(s)=7 TeV at the LHC using the ALICE detector. The analysis was performed on a data sample of 2.98 10^8 events collected with a minimum-bias trigger. The corresponding integrated luminosity is L_int=4.8 nb^-1. Reconstructing the decay D_s -.> phi pi, with phi -> KK, and its charge conjugate, about 480 D_s mesons were counted, after selection cuts, in the transverse momentum range 2
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http://hal.in2p3.fr/in2p3-00723482
Contributor : Emmanuelle Vernay <>
Submitted on : Friday, August 10, 2012 - 9:29:43 AM
Last modification on : Monday, July 20, 2020 - 9:18:25 AM

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B. Abelev, N. Arbor, G. Conesa Balbastre, J. Faivre, C. Furget, et al.. D_s meson production at central rapidity in proton--proton collisions at sqrt(s) = 7 TeV. Physics Letters B, Elsevier, 2012, 718, pp.279-294. ⟨10.1016/j.physletb.2012.10.049⟩. ⟨in2p3-00723482⟩

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