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Measurement of J/psi and psi(2S) polarization in pp collisions at sqrt[s] = 1.8 TeV |
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| Authors: | Affolder T Akimoto H Akopian A Albrow M G Amaral P Amendolia S R Amidei D Anikeev K Antos J Apollinari G Arisawa T Asakawa T Ashmanskas W Atac M Azfar F Azzi-Bacchetta P Bacchetta N Bailey M W Bailey S de Barbaro P Barbaro-Galtieri A Barnes V E Barnett B A Barone M Bauer G Bedeschi F Belforte S Bellettini G Bellinger J Benjamin D Bensinger J Beretvas A Berge J P Berryhill J Bevensee B Bhatti A Binkley M Bisello D Blair R E Blocker C Bloom K Blumenfeld B Blusk S R Bocci A Bodek A Bokhari W Bolla G Bonushkin Y Bortoletto D Boudreau J Brandl A van den Brink S Bromberg C Brozovic M Bruner N |
| Institution: | Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA. |
| Abstract: | We have measured the polarization of J/psi and psi(2S) mesons produced in pp collisions at sqrts] = 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] |
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