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arXiv · hep-ex/0101025

Measurement of the Charm Production Cross Section in gamma gamma Collisions at LEP

L3 Collaboration
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Abstract

Open charm production in gamma-gamma 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 sigma(gamma gamma ---> c c~ X) 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. 2001-01-18. Measurement of the Charm Production Cross Section in gamma gamma Collisions at LEP. https://doi.org/10.1016/s0370-2693(01)00374-4

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