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Observation of the Higgs boson decay to a pair of $\tau$ leptons with the CMS detector

dc.contributor.authorCMS collaboration (2235 authors)
dc.contributor.authorNayak, Aruna
dc.contributor.authorBargassa, Pedrame
dc.contributor.authorBeirão Da Cruz E Silva, Cristóvão
dc.contributor.authorDi Francesco, Agostino
dc.contributor.authorFaccioli, Pietro
dc.contributor.authorGalinhas, Bruno
dc.contributor.authorGallinaro, Michele
dc.contributor.authorHollar, Jonathan
dc.contributor.authorLeonardo, Nuno
dc.contributor.authorLloret Iglesias, Lara
dc.contributor.authorSeixas, Joao
dc.contributor.authorStrong, Giles
dc.contributor.authorToldaiev, Oleksii
dc.contributor.authorVadruccio, Daniele
dc.contributor.authorVarela, Joao
dc.contributor.authorVischia, Pietro
dc.contributor.authorDavid Tinoco Mendes, Andre
dc.contributor.authorSilva, Pedro
dc.contributor.authorMusella, Pasquale
dc.date.accessioned2019-02-04T13:36:35Z
dc.date.available2019-02-04T13:36:35Z
dc.date.issued2018-04-10
dc.date.updated2019-02-04T13:36:35Z
dc.description.abstractA measurement of the H→ττ signal strength is performed using events recorded in proton–proton collisions by the CMS experiment at the LHC in 2016 at a center-of-mass energy of 13TeV . The data set corresponds to an integrated luminosity of 35.9fb−1 . The H→ττ signal is established with a significance of 4.9 standard deviations, to be compared to an expected significance of 4.7 standard deviations. The best fit of the product of the observed H→ττ signal production cross section and branching fraction is 1.09−0.26+0.27 times the standard model expectation. The combination with the corresponding measurement performed with data collected by the CMS experiment at center-of-mass energies of 7 and 8TeV leads to an observed significance of 5.9 standard deviations, equal to the expected significance. This is the first observation of Higgs boson decays to τ leptons by a single experiment.
dc.description.sponsorshipAMVA4NewPhysics
dc.description.versionPeer Reviewed
dc.identifierPhys.Lett. B779 (2018) 283-316; DOI 10.1016/j.physletb.2018.02.004
dc.identifier.urihttp://dx.doi.org/10.1016/j.physletb.2018.02.004
dc.identifier.urihttp://hdl.handle.net/10400.26/27405
dc.language.isoeng
dc.titleObservation of the Higgs boson decay to a pair of $\tau$ leptons with the CMS detector
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspt
rcaap.typearticle

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