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Development and validation of HERWIG 7 tunes from CMS underlying-event measurements

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dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAmbrogi, F.
dc.contributor.authorMatveev, V.
dc.contributor.authorChadeeva, M.
dc.contributor.authorOskin, A.
dc.contributor.authorParygin, P.
dc.contributor.authorPolikarpov, S.
dc.contributor.authorZhemchugov, E.
dc.contributor.authorМатвеев, Виктор Анатольевич
dc.contributor.authorЧадеева, Марина Валентиновна
dc.contributor.authorПоликарпов, Сергей Михайлович
dc.date.accessioned2024-11-29T13:13:07Z
dc.date.available2024-11-29T13:13:07Z
dc.date.issued2021
dc.description.abstract© 2021, CERN for the benefit of the CMS collaboration.This paper presents new sets of parameters (“tunes”) for the underlying-event model of the HERWIG7 event generator. These parameters control the description of multiple-parton interactions (MPI) and colour reconnection in HERWIG7, and are obtained from a fit to minimum-bias data collected by the CMS experiment at s=0.9, 7, and 13Te. The tunes are based on the NNPDF 3.1 next-to-next-to-leading-order parton distribution function (PDF) set for the parton shower, and either a leading-order or next-to-next-to-leading-order PDF set for the simulation of MPI and the beam remnants. Predictions utilizing the tunes are produced for event shape observables in electron-positron collisions, and for minimum-bias, inclusive jet, top quark pair, and Z and W boson events in proton-proton collisions, and are compared with data. Each of the new tunes describes the data at a reasonable level, and the tunes using a leading-order PDF for the simulation of MPI provide the best description of the data.
dc.identifier.citationDevelopment and validation of HERWIG 7 tunes from CMS underlying-event measurements / Sirunyan, A.M. [et al.] // European Physical Journal C. - 2021. - 81. - № 4. - 10.1140/epjc/s10052-021-08949-5
dc.identifier.doi10.1140/epjc/s10052-021-08949-5
dc.identifier.urihttps://www.doi.org/10.1140/epjc/s10052-021-08949-5
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dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23897
dc.relation.ispartofEuropean Physical Journal C
dc.titleDevelopment and validation of HERWIG 7 tunes from CMS underlying-event measurements
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue4
oaire.citation.volume81
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