Investigation into the event-activity dependence of ϒ(nS) relative production in proton-proton collisions at s $$ \sqrt{s} $$ = 7 TeV

Investigation into the event-activity dependence of ϒ(nS) relative production in proton-proton collisions at s $$ \sqrt{s} $$ = 7 TeV

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Abstract The ratios of the production cross sections between the excited ϒ(2S) and ϒ(3S) mesons and the ϒ(1S) ground state, detected via their decay into two muons, are studied as a function of the number of charged particles in the event. The data are from proton-proton collisions at s $$ \sqrt{s}...

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Main Authors: Sirunyan, A. M. (Author), Tumasyan, A. (Author), Adam, W. (Author), Ambrogi, F. (Author), Bergauer, T. (Author), Dragicevic, M. (Author), Erö, J. (Author), Escalante Del Valle, A. (Author), Flechl, M. (Author), Frühwirth, R. (Author), Jeitler, M. (Author), Krammer, N. (Author), Krätschmer, I. (Author), Liko, D. (Author), Madlener, T. (Author), Mikulec, I. (Author)
Format: Article
Language:English
Published: Springer Berlin Heidelberg, 2021-09-20T17:41:24Z.
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