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Inclusive Lambda production in two-photon collisions at LEP

CollaborationWith : Achard, Pablo / Bourquin, Maurice / Braccini, Saverio / Chamizo Llatas, Maria / Deglon, Patrick / Delmeire, Evelyne / Echenard, Bertrand / Extermann, Pierre / Field, John / Kienzle, Maria-Novella / Malgeri, Luca / Natale, Maria / Pohl, Martin / Straessner, Arno
Published in Physics Letters. B. 2004, vol. 586, no. 3-4, p. 140-150
Abstract The reactions e+e−→e+e−ΛX and e+e−→e+e−ΛX are studied using data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. Inclusive differential cross sections are measured as a function of the lambda transverse momentum, pt, and pseudo-rapidity, η, in the ranges 0.4 GeV<pt<2.5 GeV and |η|<1.2. The data are compared to Monte Carlo predictions. The differential cross section as a function of pt is well described by an exponential of the form Aexp(−pt/〈pt〉).
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L3 COLLABORATION. Inclusive Lambda production in two-photon collisions at LEP. In: Physics Letters. B, 2004, vol. 586, n° 3-4, p. 140-150. https://archive-ouverte.unige.ch/unige:42591

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Deposited on : 2014-12-05

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