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Measurement of exclusive ρ0ρ0 production in two-photon collisions at high Q2 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 / Straessner, Arno
Published in Physics Letters. B. 2003, vol. 568, no. 1-2, p. 11-22
Abstract Exclusive ρ0ρ0 production in two-photon collisions involving a single highly virtual photon is studied with data collected at LEP at centre-of-mass energies 89 GeV < √s < 209 GeV with a total integrated luminosity of 854.7 pb−1. The cross section of the process γγ∗→ρ0ρ0 is determined as a function of the photon virtuality, Q2, and the two-photon centre-of-mass energy, Wγγ, in the kinematic region: 1.2 GeV2 < Q2 < 30 GeV2 and 1.1 GeV < Wγγ < 3 GeV.
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L3 COLLABORATION. Measurement of exclusive ρ0ρ0 production in two-photon collisions at high Q2 at LEP. In: Physics Letters. B, 2003, vol. 568, n° 1-2, p. 11-22. https://archive-ouverte.unige.ch/unige:42651

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Deposited on : 2014-12-05

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