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Заглавие документа: | A measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 pp-collision data with the ATLAS detector |
Авторы: | Hrynevich, A. ATLAS Collaboration |
Тема: | ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика |
Дата публикации: | 2017 |
Издатель: | Springer New York LLC |
Библиографическое описание источника: | Eur Phys J C 2017;77(1). |
Аннотация: | A measurement of the calorimeter response to isolated charged hadrons in the ATLAS detector at the LHC is presented. This measurement is performed with 3.2 nb- 1 of proton–proton collision data at s=7 TeV from 2010 and 0.1 nb- 1 of data at s=8 TeV from 2012. A number of aspects of the calorimeter response to isolated hadrons are explored. After accounting for energy deposited by neutral particles, there is a 5% discrepancy in the modelling, using various sets of Geant4 hadronic physics models, of the calorimeter response to isolated charged hadrons in the central calorimeter region. The description of the response to anti-protons at low momenta is found to be improved with respect to previous analyses. The electromagnetic and hadronic calorimeters are also examined separately, and the detector simulation is found to describe the response in the hadronic calorimeter well. The jet energy scale uncertainty and correlations in scale between jets of different momenta and pseudorapidity are derived based on these studies. The uncertainty is 2–5% for jets with transverse momenta above 2 TeV, where this method provides the jet energy scale uncertainty for ATLAS. |
URI документа: | https://elib.bsu.by/handle/123456789/258927 |
DOI документа: | 10.1140/epjc/s10052-016-4580-0 |
Scopus идентификатор документа: | 85011292141 |
Финансовая поддержка: | National Science Foundation (NSF), 1119200; Seventh Framework Programme (FP7), 246806; Science and Technology Facilities Council (STFC), ST/I005846/1,ST/J004804/1,ST/J005533/1,ST/K001329/1,ST/K001361/1,ST/K003666/1,ST/L000997/1,ST/L001144/1,ST/L003449/1,ST/L005662/1,ST/L006162/1,ST/M000753/1,ST/M001431/1,ST/M006417/1,ST/N000234/1,ST/N000277/1,ST/N000307/1; Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (SNF), 163402. |
Располагается в коллекциях: | Статьи НИУ «Институт ядерных проблем» |
Полный текст документа:
Файл | Описание | Размер | Формат | |
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Aaboud2017_Article_AMeasurementOfTheCalorimeterRe.pdf | 4,09 MB | Adobe PDF | Открыть |
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