Observation of t¯tH Production; Physical Review Letters; Vol. 120, iss. 23

Observation of t¯tH Production; Physical Review Letters; Vol. 120, iss. 23

Bibliografiset tiedot
Parent link:	Physical Review Letters: Scientific Journal.— , 1958- Vol. 120, iss. 23.— 2018.— [231801, 17 p.]
Yhteisötekijät:	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"
Muut tekijät:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich
Yhteenveto:	Title screen The observation of Higgs boson production in association with a top quark-antiquark pair is reported, based on a combined analysis of proton-proton collision data at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to integrated luminosities of up to 5.1, 19.7, and 35.9 fb−1, respectively. The data were collected with the CMS detector at the CERN LHC. The results of statistically independent searches for Higgs bosons produced in conjunction with a top quark-antiquark pair and decaying to pairs of W bosons, Z bosons, photons, τ leptons, or bottom quark jets are combined to maximize sensitivity. An excess of events is observed, with a significance of 5.2 standard deviations, over the expectation from the background-only hypothesis. The corresponding expected significance from the standard model for a Higgs boson mass of 125.09 GeV is 4.2 standard deviations. The combined best fit signal strength normalized to the standard model prediction is 1.26+0.31−0.26. Режим доступа: по договору с организацией-держателем ресурса
Kieli:	englanti
Julkaistu:	2018
Aiheet:	электронный ресурс труды учёных ТПУ бозоны протоны
Linkit:	https://doi.org/10.1103/PhysRevLett.120.231801
Aineistotyyppi:	Elektroninen Kirjan osa
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658855

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