Inclusive pi0 and K0s in gamma-gamma at L3

Details Inclusive pi0 and K0s in gamma-gamma at L3 Inclusive pi0 and K0s in gamma-gamma at L3

2000-10-12

arxiv.org/abs/hep-ex/0010024v1

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, to appear in the proceedings of PHOTON'2000 (Ambleside, England)

Scientific paper

The ee -> ee+pi0+X and ee -> ee+K0s+X reactions are studied at LEP using data collected with the L3 detector at sqrt{s}=189-202 GeV. Preliminary results for the differential cross section dsigma/dpt in the transverse momentum range 0.2 GeV < pt < 7.5 GeV at central values of pseudo-rapidity, |eta| < 0.5 or |eta| < 1.5, and the differential cross section dsigma/d|eta| for different values of pt are presented. For pt le 1 GeV, the pt -dependence of the data are well described by an exponential fit. For pt > 1 GeV the cross sections are compared to NLO QCD calculations and to LO Monte Carlo predictions.

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