Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at √s=8 TeV

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DOI Доступ к ресурсу на сайте издателя				10.1007/JHEP11(2017)062

Title: Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at √s=8 TeV
Creator: Aad, G.
Creator: Abbott, B.
Creator: Chelkov, G. A.
Creator: Khodinov, A.
Creator: Vaniachine, A.
Creator: Aaboud, M.
Subject: ATLAS, детектор
Большой адронный коллайдер
протон-протонные столкновения
Date: 2017
DOI: 10.1007/JHEP11(2017)062
Description: A measurement of b-hadron pair production is presented, based on a data set corresponding to an integrated luminosity of 11.4 fb−1 of proton-proton collisions recorded at s√=8 TeV with the ATLAS detector at the LHC. Events are selected in which a b-hadron is reconstructed in a decay channel containing J/ψ → μμ, and a second b-hadron is reconstructed in a decay channel containing a muon. Results are presented in a fiducial volume defined by kinematic requirements on three muons based on those used in the analysis. The fiducial cross section is measured to be 17.7 ± 0.1(stat.) ± 2.0(syst.) nb. A number of normalised differential cross sections are also measured, and compared to predictions from the Pythia8, Herwig++, MadGraph5_aMC@NLO+Pythia8 and Sherpa event generators, providing new constraints on heavy flavour production.

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collection(s): Радиофизический факультет
Физический факультет
Научное управление
Identifier: vtls:000635879
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000635879
Type: статьи в журналах
Source: Journal of high energy physics. 2017. № 11. P. 062 (1-50)
Language: eng

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Физический факультет Measurement of b-hadron pair production with the ATLAS detector in proton-proton collisions at √s=8 TeV