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dc.date.accessioned2022-05-01T01:54:42Z
dc.date.accessioned2022-12-20T03:36:03Z
dc.date.available2022-05-01T01:54:42Z
dc.date.available2022-12-20T03:36:03Z
dc.date.created2022-05-01T01:54:42Z
dc.date.issued2020-11-30
dc.identifierPhysical Review D, v. 102, n. 9, 2020.
dc.identifier2470-0029
dc.identifier2470-0010
dc.identifierhttp://hdl.handle.net/11449/233063
dc.identifier10.1103/PhysRevD.102.092013
dc.identifier2-s2.0-85097184545
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/5413162
dc.description.abstractA measurement of the Higgs boson Yukawa coupling to the top quark is presented using proton-proton collision data at s=13 TeV, corresponding to an integrated luminosity of 137 fb-1, recorded with the CMS detector. The coupling strength with respect to the standard model value, Yt, is determined from kinematic distributions in tt¯ final states containing ee, μμ, or eμ pairs. Variations of the Yukawa coupling strength lead to modified distributions for tt¯ production. In particular, the distributions of the mass of the tt¯ system and the rapidity difference of the top quark and antiquark are sensitive to the value of Yt. The measurement yields a best fit value of Yt=1.16-0.35+0.24, bounding Yt<1.54 at a 95% confidence level.
dc.languageeng
dc.relationPhysical Review D
dc.sourceScopus
dc.titleMeasurement of the top quark Yukawa coupling from tt¯ kinematic distributions in the dilepton final state in proton-proton collisions at s=13  TeV
dc.typeArtículos de revistas


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