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Fragmentation of jets containing a prompt J/? meson in PbPb and pp collisions at s =5.02TeV

Abstract: Jets containing a prompt meson are studied in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02?TeV, using the CMS detector at the LHC. Jets are selected to be in the transverse momentum range of . The yield in these jets is evaluated as a function of the jet fragmentation variable z, the ratio of the to the jet . The nuclear modification factor, , is then derived by comparing the yield in lead-lead collisions to the corresponding expectation based on proton-proton data, at the same nucleon-nucleon center-of-mass energy. The suppression of the yield shows a dependence on z, indicating that the interaction of the with the quark-gluon plasma formed in heavy ion collisions depends on the fragmentation that gives rise to the meson.

Autoría: Tumasyan A., Adam W., Bergauer T., Dragicevic M., Erö J., Escalante Del Valle A., Frühwirth R., Jeitler M., Krammer N., Lechner L., Liko D., Madlener T., Mikulec I., Pitters F.M., Rad N., Schieck J., Schöfbeck R., Spanring M., Templ S., Waltenberger W., Wulz C.E., Zarucki M., Chekhovsky V., Litomin A., Makarenko V., Suarez Gonzalez J., Darwish M.R., De Wolf E.A., Di Croce D., Janssen X., Kello T., Lelek A., Pieters M., Rejeb Sfar

Fuente: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2022, 825, 136842

Editorial: Elsevier

Año de publicación: 2022

Nº de páginas: 25

Tipo de publicación: Artículo de Revista

DOI: 10.1016/j.physletb.2021.136842

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2021.136842

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