Observation of the Z → ψl + l − Decay in pp Collisions at ffiffi s p = 13 TeV

Observation of the Z → ψl + l − Decay in pp Collisions at ffiffi s p = 13 TeV

© 2018 CERN, for the CMS Collaboration. This Letter presents the observation of the rare Z boson decay Z→ψ + -. Here, ψ represents contributions from direct J/ψ and ψ(2S)→J/ψX, + - is a pair of electrons or muons, and the J/ψ meson is detected via its decay to μ+μ-. The sample of proton-proton colli...

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Main Authors: The CMS Collaboration (Author), Abercrombie, Daniel Robert (Author), Allen, Branden (Author), Azzolini, Virginia (Author), Baty, Austin Alan (Author), Bauer, Gerry P (Author), Bi, Ran (Author), Brandt, Stephanie Akemi (Author), Busza, Wit (Author), Cali, Ivan Amos (Author), D'Alfonso, Mariarosaria (Author), Demiragli, Zeynep (Author), Gomez-Ceballos, Guillelmo (Author), Goncharov, Maxim (Author), Harris, Philip Coleman (Author), Hsu, David (Author), Hu, Miao (Author), Iiyama, Yutaro (Author), Innocenti, Gian Michele (Author), Klute, Markus (Author), Kovalskyi, Dmytro (Author), Lee, Y.S (Author), Luckey Jr, P David (Author), Maier, Benedikt (Author), Marini, Andrea Carlo (Author), McGinn, Christopher Francis (Author), Mironov, Camelia Maria (Author), Narayanan, S. (Author), Niu, Xinmei (Author), Paus, Christoph M. E. (Author), Roland, Christof (Author), Roland, Gunther M (Author), Stephans, George S. F. (Author), Sumorok, Konstanty C (Author), Velicanu, Dragos Alexandru (Author), Wang, J. (Author), Wang, T.W (Author), Wyslouch, Boleslaw (Author), Zhaozhong, S. (Author)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), Massachusetts Institute of Technology. Laboratory for Nuclear Science (Contributor)
Format: Article
Language:English
Published: 2022-08-18T16:27:39Z.
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