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Inclusive π0 and KS0 production in two-photon collisions at LEP

ContributorsL3 Collaboration
Published inPhysics letters. B, vol. 524, no. 3-4, p. 44-54
Publication date2002
Abstract

The reactions e+e−→e+e−π0 X and e+e−→e+e−KS0 X are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 202 GeV. Inclusive differential cross sections are measured as a function of the particle transverse momentum pt and the pseudo-rapidity. For pt⩽1.5 GeV, the π0 and KS0 differential cross sections are described by an exponential, typical of soft hadronic processes. For pt⩾1.5 GeV, the cross sections show the presence of perturbative QCD processes, described by a power-law. The data are compared to Monte Carlo predictions and to NLO QCD calculations.

Citation (ISO format)
L3 Collaboration. Inclusive π0 and KS0 production in two-photon collisions at LEP. In: Physics letters. B, 2002, vol. 524, n° 3-4, p. 44–54. doi: 10.1016/S0370-2693(01)01269-2
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Journal ISSN0370-2693
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