Observation of the Z →ψ + - decay in pp collisions at s =13 TeV
This Letter presents the observation of the rare Z boson decay Z → ψlþl−. Here, ψ represents contributions from direct J=ψ and ψð2SÞ → J=ψX, lþl− is a pair of electrons or muons, and the J=ψ meson is detected via its decay to μþμ−. The sample of proton-proton collision data, collected by the CMS...
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Main Authors: | , , , , , |
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Format: | Article |
Language: | English English |
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American Physical Society
2018
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Online Access: | http://irep.iium.edu.my/70337/1/70337_Observation%20of%20the%20Z%20%E2%86%92%20%CF%88l%2Bl%E2%88%92%20Decay%20in%20pp%20Collisions_article.pdf http://irep.iium.edu.my/70337/2/70337_Observation%20of%20the%20Z%20%E2%86%92%20%CF%88l%2Bl%E2%88%92%20Decay%20in%20pp%20Collisions_scopus.pdf http://irep.iium.edu.my/70337/ https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.121.141801 |
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http://irep.iium.edu.my/70337/1/70337_Observation%20of%20the%20Z%20%E2%86%92%20%CF%88l%2Bl%E2%88%92%20Decay%20in%20pp%20Collisions_article.pdfhttp://irep.iium.edu.my/70337/2/70337_Observation%20of%20the%20Z%20%E2%86%92%20%CF%88l%2Bl%E2%88%92%20Decay%20in%20pp%20Collisions_scopus.pdf
http://irep.iium.edu.my/70337/
https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.121.141801