Azimuthal correlations in Z + jets events in proton-proton collisions at √s = 13 TeV

Belyaev, A.V.; Boos, E.; Dubinin, M.; Dudko, L.; Gribushin, A.; Klyukhin, V.; Kodolova, O.; Lukina, O.; Obraztsov, S.; Petrushanko, S.V.; Savrin, V.; Snigirev, A.; CMS, C.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 20 февраля 2024 г.

Авторы: Belyaev A.V., Boos E., Dubinin M., Dudko L., Gribushin A., Klyukhin V., Kodolova O., Lukina O., Obraztsov S., Petrushanko S.V., Savrin V., Snigirev A., CMS Collaboration
Журнал: European Physical Journal C
Том: 83
Год издания: 2023
Издательство: Springer Verlag
Местоположение издательства: Germany
Первая страница: 722
DOI: 10.1140/epjc/s10052-023-11833-z
Аннотация: The production of Z bosons associated with jets is measured in pp collisions at √s = 13 TeV with data recorded with the CMS experiment at the LHC corresponding to an integrated luminosity of 36.3 fb−1. The multiplicity of jets with transverse momentum p_T > 30 GeV is measured for different regions of the Z boson’s p_T(Z), from lower than 10 GeV to higher than 100 GeV. The azimuthal correlation Δφ between the Z boson and the leading jet, as well as the correlations between the two leading jets are measured in three regions of pT(Z). The measurements are compared with several predictions at leading and next-to-leading orders, interfaced with parton showers. Predictions based on transverse-momentum dependent parton distributions and corresponding parton showers give a good description of the measurement in the regions where multiple parton interactions and higher jet multiplicities are not important. The effects of multiple parton interactions are shown to be important to correctly describe the measured spectra in the low pT(Z) regions.
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Azimuthal correlations in Z + jets events in proton-proton collisions at √s = 13 TeVстатья Исследовательская статья

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