Sharpening the shape analysis for higher-dimensional operator searches

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dc.contributor.authorFichet, Sylvain [UNESP]
dc.contributor.authorTonero, Alberto [UNESP]
dc.contributor.authorTeles, Patricia Rebello
dc.contributor.institutionICTP SAIFR
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCBPF
dc.contributor.institutionCERN
dc.date.accessioned2018-11-26T17:40:03Z
dc.date.available2018-11-26T17:40:03Z
dc.date.issued2017-08-03
dc.description.abstractWhen the Standard Model is interpreted as the renormalizable sector of a low-energy effective theory, the effects of new physics are encoded into a set of higher-dimensional operators. These operators potentially deform the shapes of Standard Model differential distributions of final states observable at colliders. We describe a simple and systematic method to obtain optimal estimations of these deformations when using numerical tools, like Monte Carlo simulations. A crucial aspect of this method is minimization of the estimation uncertainty: We demonstrate how the operator coefficients have to be set in the simulations in order to get optimal results. The uncertainty on the interference term turns out to be the most difficult to control and grows very quickly when the interference is suppressed. We exemplify our method by computing the deformations induced by the O-3W operator in W+W- production at the LHC, and by deriving a bound on O-3W using 8 TeV CMS data.en
dc.description.affiliationICTP SAIFR, R Dr Bento Teobaldo Ferraz 271, Sao Paulo, Brazil
dc.description.affiliationIFT UNESP, R Dr Bento Teobaldo Ferraz 271, Sao Paulo, Brazil
dc.description.affiliationCBPF, R Dr Xavier Sigaud 150, Rio De Janeiro, Brazil
dc.description.affiliationCERN, CH-1211 Geneva 23, Switzerland
dc.description.affiliationUnespIFT UNESP, R Dr Bento Teobaldo Ferraz 271, Sao Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipIdFAPESP: 2011/11973-4
dc.description.sponsorshipIdFAPESP: 2013/02404-1
dc.description.sponsorshipIdFAPESP: 2014/21477-2
dc.description.sponsorshipIdCAPES: BEX 11767-13-8
dc.format.extent13
dc.identifierhttp://dx.doi.org/10.1103/PhysRevD.96.036003
dc.identifier.citationPhysical Review D. College Pk: Amer Physical Soc, v. 96, n. 3, 13 p., 2017.
dc.identifier.doi10.1103/PhysRevD.96.036003
dc.identifier.fileWOS000406862900004.pdf
dc.identifier.issn2470-0010
dc.identifier.urihttp://hdl.handle.net/11449/163095
dc.identifier.wosWOS:000406862900004
dc.language.isoeng
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review D
dc.relation.ispartofsjr1,801
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titleSharpening the shape analysis for higher-dimensional operator searchesen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmer Physical Soc

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