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Prompt psi(2S) polarization in pp collisions at 7 TeV
The polarization of prompt $\psi$(2S) mesons is measured in proton-proton collisions at $\sqrt{s} = 7\,$TeV, using a data sample of $\psi\mathrm{(2S)} \rightarrow \mu^+\mu^-$ decays collected by the CMS experiment, corresponding to an integrated luminosity of 4.9$\,$fb$^{-1}$. The dimuon decay angul...
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2013
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| Acceso en línea: | http://cds.cern.ch/record/1550329 |