Inclusive production of D∗± mesons in two-photon collisions was measured by the L3 experiment at LEP. The data were collected at a centre-of-mass energy s√=189 GeV with an integrated luminosity of 176.4pb−1. Differential cross sections of the process e+e−→D∗±X are determined as functions of the transverse momentum and pseudorapidity of the D∗± mesons in the kinematic region 1 GeV <pD∗T<5 GeV and |ηD∗|<1.4. The cross section integrated over this phase space domain is measured to be 132±22(stat.)±26(syst.) pb. The differential cross sections are compared with next-to-leading order perturbative QCD calculations
Measurement of inclusive D*+- production in two photon collisions at LEP
BATTISTON, Roberto;BERTUCCI, Bruna;AMBROSI, Giovanni;BURGER, WILLIAM J.;FIANDRINI, Emanuele;CECCHI, Claudia;PAULUZZI, Michele;
1999
Abstract
Inclusive production of D∗± mesons in two-photon collisions was measured by the L3 experiment at LEP. The data were collected at a centre-of-mass energy s√=189 GeV with an integrated luminosity of 176.4pb−1. Differential cross sections of the process e+e−→D∗±X are determined as functions of the transverse momentum and pseudorapidity of the D∗± mesons in the kinematic region 1 GeVFile in questo prodotto:
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