Publication:
Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at √s = 13 TeV

Дата
2021
Авторы
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Matveev, V.
Bychkova, O.
Chadeeva, M.
Philippov, D.
Popova, E.
Rusinov, V.
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Организационная единица
Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
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© 2021, The Author(s).Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z boson and the closest jet. The analysis is based on pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 35.9 fb−1 recorded by the CMS experiment at the LHC. The results, corrected for detector effects, are compared with various theoretical predictions. In general, the predictions at higher orders in perturbation theory show better agreement with the measurements. This work provides the first measurement of the ratio of the differential cross sections of Z + jets and γ + jets production at 13 TeV, as well as the first direct measurement of Z bosons emitted collinearly with a jet. [Figure not available: see fulltext.]
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Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at √s = 13 TeV / Sirunyan, A.M. [et al.] // Journal of High Energy Physics. - 2021. - 2021. - № 5. - 10.1007/JHEP05(2021)285
URI
https://www.doi.org/10.1007/JHEP05(2021)285
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85107340228&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000657745000001
 https://openrepository.mephi.ru/handle/123456789/25549
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