Fragmentation of J/psi in jets in pp collisions at root s=5.02 TeV Batoul Diab for the CMS collaboration
The fragmentation of jets containing a J/ψ meson is studied in √s = 5.02 TeV pp data using an integrated luminosity of L = 27.39 pb−1. The fraction of the jet transverse momentum pT,jet carried by the J/ψ is measured for prompt J/ψ and J/ψ coming from b hadron decays, named nonprompt. Whereas the...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English English English |
| Published: |
Elsevier B.V.
2019
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/71849/1/71849_Fragmentation%20of%20Jpsi%20in%20jets%20in%20pp%20collisions_article.pdf http://irep.iium.edu.my/71849/2/71849_Fragmentation%20of%20Jpsi%20in%20jets%20in%20pp%20collisions_wos.pdf http://irep.iium.edu.my/71849/3/71849_Fragmentation%20of%20Jpsi%20in%20jets%20in%20pp%20collisions_scopus.pdf http://irep.iium.edu.my/71849/ https://reader.elsevier.com/reader/sd/pii/S0375947418302379?token=FE19B04F1428CD1C53BEDCA8298FD481E44090F91B09E4D596597AC3A40D85E48C30CD3DDD47CDCCD5790741B3E44685 |
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| Summary: | The fragmentation of jets containing a J/ψ meson is studied in √s = 5.02 TeV pp data using an integrated luminosity
of L = 27.39 pb−1. The fraction of the jet transverse momentum pT,jet carried by the J/ψ is measured for prompt J/ψ
and J/ψ coming from b hadron decays, named nonprompt. Whereas the fragmentation function of nonprompt J/ψ is
well-modeled by simulations using a Monte Carlo generator, the prompt J/ψ are found to be accompanied by a larger
level of jet activity. The fraction of J/ψ mesons that are produced inside a jet is also reported, and found to be larger in
data than in simulation, for both prompt and nonprompt J/ψ. |
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