Publication:
Study of Z boson plus jets events using variables sensitive to double-parton scattering in pp collisions at 13 TeV

Дата
2021
Авторы
Tumasyan, A.
Adam, W.
Andrejkovic, J. W.
Bergauer, T.
Chadeeva, M.
Oskin, A.
Parygin, P.
Popova, E.
Rusinov, V.
Matveev, 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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Аннотация
Double-parton scattering is investigated using events with a Z boson and jets. The Z boson is reconstructed using only the dimuon channel. The measurements are performed with proton-proton collision data recorded by the CMS experiment at the LHC at root s = 13TeV, corresponding to an integrated luminosity of 35.9 fb(-1) collected in the year 2016. Differential cross sections of Z+ >= 1 jet and Z+ >= 2 jets are measured with transverse momentum of the jets above 20 GeV and pseudorapidity vertical bar eta vertical bar < 2.4. Several distributions with sensitivity to double-parton scattering effects are measured as functions of the angle and the transverse momentum imbalance between the Z boson and the jets. The measured distributions are compared with predictions from several event generators with different hadronization models and different parameter settings for multiparton interactions. The measured distributions show a dependence on the hadronization and multiparton interaction simulation parameters, and are important input for future improvements of the simulations.
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Study of Z boson plus jets events using variables sensitive to double-parton scattering in pp collisions at 13 TeV / Tumasyan, A [et al.] // Journal of High Energy Physics. - 2021. - № 10. - 10.1007/JHEP10(2021)176
URI
https://www.doi.org/10.1007/JHEP10(2021)176
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85118439141&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000711436000002
 https://openrepository.mephi.ru/handle/123456789/24866
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