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Title

Λ and Σ0 pair 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, Sonia / Pohl, Martin
Published in Physics Letters. B. 2002, vol. 536, no. 1-2, p. 24-33
Abstract Strange baryon pair production in two-photon collisions is studied with the L3 detector at LEP. The analysis is based on data collected at e+e− centre-of-mass energies from 91 GeV to 208 GeV, corresponding to an integrated luminosity of 844 pb−1. The processes γγ→ΛΛ and γγ→Σ0Σ0are identified. Their cross sections as a function of the γγ centre-of-mass energy are measured and results are compared to predictions of the quark–diquark model.
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L3 COLLABORATION. Λ and Σ0 pair production in two-photon collisions at LEP. In: Physics Letters. B, 2002, vol. 536, n° 1-2, p. 24-33. https://archive-ouverte.unige.ch/unige:43267

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Deposited on : 2014-12-12

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