Observation of Higgs Boson Decay to Bottom Quarks

Observation of Higgs Boson Decay to Bottom Quarks

Manylion Llyfryddiaeth
Parent link:	Physical Review Letters: Scientific Journal.— , 1958- Vol. 121, iss. 12.— 2018.— [121801, 20 p.]
Awduron Corfforaethol:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Научно-производственная лаборатория "Импульсно-пучковых, электроразрядных и плазменных технологий"
Awduron Eraill:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich
Crynodeb:	Title screen The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3 fb−1 of proton-proton collisions at √s=13 TeV, are described. When combined with previous VH measurements using data collected at √s=7, 8, and 13 TeV, an excess of events is observed at mH=125 GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→b¯b in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20. Режим доступа: по договору с организацией-держателем ресурса
Iaith:	Saesneg
Cyhoeddwyd:	2018
Pynciau:	электронный ресурс труды учёных ТПУ кварки бозоны измерения
Mynediad Ar-lein:	https://doi.org/10.1103/PhysRevLett.121.121801
Fformat:	Electronig Pennod Llyfr
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658866

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