Measurement of forward top pair production in the dilepton channel in pp collisions at √ s =13 TeV; Journal of High Energy Physics; № 8

Measurement of forward top pair production in the dilepton channel in pp collisions at √ s =13 TeV; Journal of High Energy Physics; № 8

Dettagli Bibliografici
Parent link:	Journal of High Energy Physics № 8.— 2018.— [174, 18 p.]
Enti autori:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Инженерная школа информационных технологий и робототехники Отделение автоматизации и робототехники (ОАР)
Altri autori:	Aaij R. Roel, Adeva B. Bernardo, Adinolfi M. Marco, Panshin G. L. Gennady Leonidovich, Strokov S. A. Sergey Aleksandrovich, Vagner A. R. Aleksandr Rudolfovich
Riassunto:	Title screen Forward top quark pair production is studied in pp collisions in the μeb final state using a data sample corresponding to an integrated luminosity of 1.93 fb−1 collected with the LHCb experiment at a centre-of-mass energy of 13 TeV. The cross-section is measured in a fiducial region where both leptons have a transverse momentum greater than 20 GeV and a pseudorapidity between 2.0 and 4.5. The quadrature sum of the azimuthal separation and the difference in pseudorapidities, denoted ΔR, between the two leptons must be larger than 0.1. The b-jet axis is required to be separated from both leptons by a ΔR of 0.5, and to have a transverse momentum in excess of 20 GeV and a pseudorapidity between 2.2 and 4.2. The cross-section is measured to beσtt¯=126±19(stat)±16(syst)±5(lumi)fbσtt¯=126±19(stat)±16(syst)±5(lumi)fbwhere the first uncertainty is statistical, the second is systematic, and the third is due to the luminosity determination. The measurement is compatible with the Standard Model prediction.
Lingua:	inglese
Pubblicazione:	2018
Soggetti:	электронный ресурс труды учёных ТПУ физика адронное взаимодействие рассеяние
Accesso online:	http://earchive.tpu.ru/handle/11683/57719 https://doi.org/10.1007/JHEP08(2018)174
Natura:	Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658838

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