Measurement of the top quark Yukawa coupling from t¯t kinematic distributions in the dilepton final state in proton-proton collisions at √s=13 TeV; Physical Review D; Vol. 102, iss. 9
| Parent link: | Physical Review D: particles, fields, gravitation, and cosmology.— , 1970- Vol. 102, iss. 9.— 2020.— [092013, 29 p.] |
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| Corporate Author: | |
| Other Authors: | , , , , , , , |
| Summary: | Title screen A 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 t¯t final states containing ee, μμ, or eμ pairs. Variations of the Yukawa coupling strength lead to modified distributions for t¯t production. In particular, the distributions of the mass of the t¯t 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+0.24−0.35, bounding Yt<1.54 at a 95% confidence level. Режим доступа: по договору с организацией-держателем ресурса |
| Language: | English |
| Published: |
2020
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| Subjects: | |
| Online Access: | https://doi.org/10.1103/PhysRevD.102.092013 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664673 |
MARC
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| 200 | 1 | |a Measurement of the top quark Yukawa coupling from t¯t kinematic distributions in the dilepton final state in proton-proton collisions at √s=13 TeV |f A. M. Sirunyan, A. R. Tumasyan, W. Adam [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
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| 330 | |a A 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 t¯t final states containing ee, μμ, or eμ pairs. Variations of the Yukawa coupling strength lead to modified distributions for t¯t production. In particular, the distributions of the mass of the t¯t 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+0.24−0.35, bounding Yt<1.54 at a 95% confidence level. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Physical Review D |o particles, fields, gravitation, and cosmology |d 1970- | ||
| 463 | |t Vol. 102, iss. 9 |v [092013, 29 p.] |d 2020 | ||
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