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Measurement of the charm production cross section in γγ collisions at LEP

CollaborationWith : Achard, Pablo / Ambrosi, Giovanni / Bourquin, Maurice / Braccini, Saverio / Chamizo Llatas, Maria / Deglon, Patrick / Delmeire, Evelyne / Extermann, Pierre / Field, John / Kienzle, Maria-Novella / Malgeri, Luca / Pohl, Martin
Published in Physics Letters. B. 2001, vol. 514, no. 1-2, p. 19-28
Abstract Open charm production in γγ collisions is studied with data collected at e+e− centre-of-mass energies from 189 GeV to 202 GeV corresponding to a total integrated luminosity of 410 pb−1. The charm cross section σ(γγ→ccX)) is measured for the first time as a function of the two-photon centre-of-mass energy in the interval from 5 GeV to 70 GeV and is compared to NLO QCD calculations.
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L3 COLLABORATION. Measurement of the charm production cross section in γγ collisions at LEP. In: Physics Letters. B, 2001, vol. 514, n° 1-2, p. 19-28. https://archive-ouverte.unige.ch/unige:44047

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Deposited on : 2014-12-19

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