Development and validation of HERWIG 7 tunes from CMS underlying-event measurements
dc.contributor.author | Sirunyan, A. M. | pt_BR |
dc.contributor.author | Silveira, Gustavo Gil da | pt_BR |
dc.contributor.author | CMS Collaboration | pt_BR |
dc.date.accessioned | 2021-06-29T04:19:12Z | pt_BR |
dc.date.issued | 2021 | pt_BR |
dc.identifier.issn | 1434-6044 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/222913 | pt_BR |
dc.description.abstract | This paper presents new sets of parameters (“tunes”) for the underlying-event model of the herwig 7 event generator. These parameters control the description of multiple-parton interactions (MPI) and colour reconnection in herwig 7, and are obtained from a fit to minimum-bias data collected by the CMS experiment at √s = 0.9, 7, and 13 TeV. The tunes are based on the NNPDF 3.1 next-to-nextto-leading-order parton distribution function (PDF) set for the parton shower, and either a leading-order or next-to-nextto-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. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | The European physical journal. C, Particles and fields. Berlin. Vol. 81, no. 4 (Apr. 2021), 312, 47 p. | pt_BR |
dc.rights | Open Access | en |
dc.subject | Aceleradores de partículas | pt_BR |
dc.subject | Colisões proton-proton | pt_BR |
dc.subject | Bosons W | pt_BR |
dc.title | Development and validation of HERWIG 7 tunes from CMS underlying-event measurements | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 001126253 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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