Diab, Batoul and Anderson, D. and Bornheim, A. and Lawhorn, J. M. and Newman, H. B. and Nguyen, T. Q. and Spiropulu, M. and Vlimant, J. R. and Wilkinson, R. and Xie, S. and Zhang, Z. and Zhu, R. Y. (2019) Fragmentation of J/ψ in jets in pp collisions at √s = 5.02 TeV. Nuclear Physics A, 982 . pp. 186-188. ISSN 0375-9474. doi:10.1016/j.nuclphysa.2018.09.049. https://resolver.caltech.edu/CaltechAUTHORS:20190228-093141150
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Abstract
The fragmentation of jets containing a J/ψ meson is studied in √s = 5.02 TeV pp data using an integrated luminosity of L = 27.39pb^(−1). The fraction of the jet transverse momentum p_(T,jet) carried by the J/ψ is measured for prompt J/ψ and J/ψcoming 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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| Additional Information: | © 2018 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Available online 22 January 2019. | ||||||||||||||||||
| Group: | CMS@Caltech | ||||||||||||||||||
| Subject Keywords: | CMS; J/ψ; Jets; pp collision | ||||||||||||||||||
| DOI: | 10.1016/j.nuclphysa.2018.09.049 | ||||||||||||||||||
| Record Number: | CaltechAUTHORS:20190228-093141150 | ||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190228-093141150 | ||||||||||||||||||
| Official Citation: | Batoul Diab, Fragmentation of J/ψ in jets in pp collisions at s=5.02TeV, Nuclear Physics A, Volume 982, 2019, Pages 186-188, ISSN 0375-9474, https://doi.org/10.1016/j.nuclphysa.2018.09.049. (http://www.sciencedirect.com/science/article/pii/S0375947418302379) | ||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||
| ID Code: | 93332 | ||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||
| Deposited On: | 28 Feb 2019 17:45 | ||||||||||||||||||
| Last Modified: | 16 Nov 2021 16:56 |
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