J/[psi] polarization in collisions at √s=7 TeV
The ALICE Collaboration has studied J/ψ production in pp collisions at √s=7 TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/ψ polarization parameters λθ and λϕ were obtained. The study was performed in the...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
23 February 2012
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| In: |
Physical review letters
Year: 2012, Jahrgang: 108, Heft: 8 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.108.082001 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.108.082001 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.108.082001 
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| Verfasserangaben: | B. Abelev et al.* (ALICE Collaboration) |
MARC
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| 246 | 3 | 3 | |a J/psi polarization in collisions at square root s = 7 TeV |
| 264 | 1 | |c 23 February 2012 | |
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| 500 | |a B. Abelev, V. Anguelov, O. Busch, P. Glässel, R. Grajcarek, N. Herrmann, T. Krawutschke, M.J. Kweon, D. Lohner, X.-G. Lu, J. Mercado Pérez, K. Oyama, Y. Pachmayer, S. Radomski, K. Reygers, R. Schicker, K. Schweda, J. Stachel, J. Ulrich, S. Vallero, Y. Wang, J. Wiechula, A. Zimmermann [und weitere] (ALICE Collaboration) | ||
| 500 | |a Im Titel wird "psi" als griechischer Buchstabe dargestellt | ||
| 500 | |a Gesehen am 13.11.2018 | ||
| 520 | |a The ALICE Collaboration has studied J/ψ production in pp collisions at √s=7 TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/ψ polarization parameters λθ and λϕ were obtained. The study was performed in the kinematic region 2.5<y<4, 2<pt<8 GeV/c, in the helicity and Collins-Soper reference frames. In both frames, the polarization parameters are compatible with zero, within uncertainties. | ||
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