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Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV rangeстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 15 июля 2015 г.
- Авторы: Belyaev A.V., Boos E., Dubinin M., Dudko L., Ershov A., Gribushin A., Katkov I., Klyukhin V., Kodolova O., Lokhtin I., Obraztsov S., Petrushanko S., Popov A.A., Savrin V., Snigirev A., Zhukov V., CMS Collaboration
- Журнал: European Physical Journal C
- Том: 75
- Номер: 5
- Год издания: 2015
- Издательство: Springer Verlag
- Местоположение издательства: Germany
- Первая страница: 186
- DOI: 10.1140/epjc/s10052-015-3376-y
- Аннотация: This paper presents a measurement of the inclusive 3-jet production differential cross section at a proton-proton centre-of-mass energy of 7 TeV using data corresponding to an integrated luminosity of 5 inverse femtobarns collected with the CMS detector. The analysis is based on the three jets with the highest transverse momenta. The cross section is measured as a function of the invariant mass of the three jets in a range of 445-3270 GeV and in two bins of the maximum rapidity of the jets up to a value of 2. A comparison between the measurement and the prediction from perturbative QCD at next-to-leading order is performed. Within uncertainties, data and theory are in agreement. The sensitivity of the observable to the strong coupling constant alpha[S] is studied. A fit to all data points with 3-jet masses larger than 664 GeV gives a value of the strong coupling constant of alpha[S](MZ) = 0.1171 +/- 0.0013 (exp) +0.0073/-0.0047 (theo).
- Добавил в систему: Лохтин Игорь Петрович