Inclusive $D^{*+-}$ production in two photon collisions at LEP

Inclusive D ∗± production in two-photon collisions is studied with the L3 detector at LEP, using 683 pb −1 of data collected at centre-of-mass energies from 183 to 209 GeV. Differential cross sections are determined as functions of the transverse momentum and pseudorapidity of the D ∗± mesons in the kinematic region 1 GeV< P T <12 GeV and | η |<1.4. The cross sections σ( e + e − →e + e − D ∗± X ) in this kinematical region is measured and the σ( e + e − →e + e − c c ̄ X ) cross section is derived. The measurements are compared with next-to-leading order perturbative QCD calculations.

electron positron: colliding beams
exchange: two-photon
photon photon: inclusive reaction
D*(2010): photoproduction
D*(2010): hadronic decay
quark: charm
quark: pair production
differential cross section: transverse momentum
rapidity dependence
quantum chromodynamics: perturbation theory

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Inclusive D∗+−D^{*+-}D∗+− production in two photon collisions at LEP

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Inclusive $D^{*+-}$ production in two photon collisions at LEP