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Measurement of J/psi and psi(2S) polarization in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T; Akimoto, H; Akopian, A; Albrow, MG; Amaral, P; Amendolia, SR; Amidei, D; ... CDF Collaboration, The; + view all (2000) Measurement of J/psi and psi(2S) polarization in p(p)over-bar collisions at root s=1.8 TeV. Physical Review Letters , 85 (14) 2886 - 2891. 10.1103/PhysRevLett.85.2886. Green open access

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Abstract

We have measured the polarization of J/psi and psi(2S) mesons produced in p (p) over bar collisions at root s = 1.8 TeV. using data collected at the Collider Detector at Fermilab during 1992-1995. The polarization of promptly produced J/psi [psi(2S)] mesons is isolated from those produced in B-hadron decay, and measured over the kinematic range 4 [5.5] < P-T < 20 GeV/c and \y\ < 0.6. For P-T greater than or similar to 12 GeV/c we do not observe significant polarization in the prompt component.

Type: Article
Title: Measurement of J/psi and psi(2S) polarization in p(p)over-bar collisions at root s=1.8 TeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.85.2886
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.85.2886
Additional information: © 2000 The American Physical Society
Keywords: CHARMONIUM PRODUCTION, FERMILAB-TEVATRON, FRAGMENTATION
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/131934
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