Journal article

Studies of QCD in e e- → hadrons at Ecm = 130 and 136 GeV

D Buskulic, I De Bonis, D Decamp, P Ghez, C Goy, JP Lees, A Lucotte, MN Minard, P Odier, B Pietrzyk, MP Casado, M Chmeissani, JM Crespo, M Delfino, I Efthymiopoulos, E Fernandez, M Fernandez-Bosnian, L Garrido, A Juste, M Martinez Show all

Zeitschrift fur Physik C-Particles and Fields | Published : 1997


An analysis of the properties of hadronic final states produced in electron-positron annihilation at centre-of-mass energies of 130 and 136GeV is presented. The measurements are based on a data sample of 5.7 pb-1 collected in November 1995 with the ALEPH detector at LEP. Inclusive charged particle distributions, jet rates and event-shape distributions are measured and the results are compared with the predictions of QCD-based models. From the measured distributions quantities are determined for which the dependence on the centre-of-mass energy can be predicted by QCD, including the mean multiplicity of charged particles, the peak position of the inclusive distribution of ξ = -In xp (xp = p/p..

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