Article ; Online: J/ψ polarization in pp collisions at √s=7 TeV.
2012 Volume 108, Issue 8, Page(s) 82001
Abstract: The ALICE Collaboration has studied J/ψ production in pp collisions at √s=7 TeV at the LHC ... results on the J/ψ polarization parameters λ(θ) and λ(φ) were obtained. The study was performed ...
Abstract | 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 λ(θ) and λ(φ) were obtained. The study was performed in the kinematic region 2.5<y<4, 2<p(t)<8 GeV/c, in the helicity and Collins-Soper reference frames. In both frames, the polarization parameters are compatible with zero, within uncertainties.<br /> |
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Language | English |
Publishing date | 2012-02-24 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 208853-8 |
ISSN | 1079-7114 ; 0031-9007 |
ISSN (online) | 1079-7114 |
ISSN | 0031-9007 |
DOI | 10.1103/PhysRevLett.108.082001 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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