Browsing by Subject "Qcd Medium Effects"

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Upsilon (nS) polarizations versus particle multiplicity in pp collisions at root s=7 TeV

Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Elsevier, 2016)

The polarizations of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) mesons are measured as a function of the charged particle multiplicity in proton-proton collisions at root s = 7 TeV. The measurements are performed with ...