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 prot...

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Bibliographic Details
Main Authors: Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Bergauer, T., Dragicevic, M., Erö, J., Escalante Del Valle, A., Flechl, M., Frühwirth, R., Jeitler, M., Krammer, N., Krätschmer, I., Liko, D., Madlener, T., Mikulec, I.
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:English
Published: Springer Berlin Heidelberg 2021
Online Access:https://hdl.handle.net/1721.1/132009

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