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Title

Measurement of J/ψ and ψ(2S) Polarization in pp Collisions at √s=1.8TeV

CollaborationWith : Clark, Allan Geoffrey / Kambara, Hisanori / Speer, Thomas / Strumia Michelini, Federica
Published in Physical Review Letters. 2000, vol. 85, no. 14, p. 2886-2891
Abstract We have measured the polarization of J/ψ and ψ(2S) mesons produced in pp¯ collisions at s√=1.8TeV, using data collected at the Collider Detector at Fermilab during 1992–1995. The polarization of promptly produced J/ψ [ψ(2S)] mesons is isolated from those produced in B-hadron decay, and measured over the kinematic range 4 [5.5]<PT<20GeV/c and |y|<0.6. For PT≳12GeV/c we do not observe significant polarization in the prompt component.
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CDF COLLABORATION. Measurement of J/ψ and ψ(2S) Polarization in pp Collisions at √s=1.8TeV. In: Physical Review Letters, 2000, vol. 85, n° 14, p. 2886-2891. https://archive-ouverte.unige.ch/unige:37899

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Deposited on : 2014-06-17

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