ϒ(nS) polarizations versus particle multiplicity in pp collisions at √ s = 7 TeV
The polarizations of the ϒ(1S), ϒ(2S), and ϒ(3S) mesons are measured as a function of the charged particle multiplicity in proton-proton collisions at s=7 TeV. The measurements are performed with a dimuon data sample collected in 2011 by the CMS experiment, corresponding to an integrated luminosity...
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| Format: | Article |
| Language: | English |
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Elsevier BV,
2020-04-22T19:47:12Z.
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| Online Access: | Get fulltext |