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Observation of double charm production involving open charm in pp collisions at $\sqrt{s}$=7 TeV

Abstract : The production of $J/\psi$ mesons accompanied by open charm, and of pairs of open charm hadrons are observed in pp collisions at a centre-of-mass energy of 7 TeV using an integrated luminosity of $355pb^{-1}$ collected with the LHCb detector. Model independent measurements of absolute cross-sections are given together with ratios to the measured $J/\psi$ and open charm cross-sections. The properties of these events are studied and compared to theoretical predictions.
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Contributor : Claudine Bombar <>
Submitted on : Monday, May 14, 2012 - 4:39:57 PM
Last modification on : Tuesday, April 20, 2021 - 12:00:13 PM

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R. Aaij, I. de Bonis, D. Decamp, Ph. Ghez, P. Hopchev, et al.. Observation of double charm production involving open charm in pp collisions at $\sqrt{s}$=7 TeV. Journal of High Energy Physics, Springer, 2012, 6, pp.141. ⟨10.1007/JHEP06(2012)141⟩. ⟨in2p3-00697167⟩

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