Daiki Yamaguchi Search for New Phenomena in Top-Antitop Quarks Final States with Additional Heavy-Flavour Jets with the ATLAS Detector 9789811509315

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Автор: Daiki Yamaguchi
Название: Search for New Phenomena in Top-Antitop Quarks Final States with Additional Heavy-Flavour Jets with the ATLAS Detector
ISBN: 9789811509315
Издательство: Springer
Классификация:

Атомная и молекулярная физика

Физика элементарных частиц и высоких энергий

ISBN-10: 981150931X
Обложка/Формат: Hardcover
Страницы: 279
Вес: 0.62 кг.
Дата издания: 2019
Серия: Springer Theses
Язык: English
Издание: 1st ed. 2019
Иллюстрации: 709 tables, color; 200 illustrations, color; 7 illustrations, black and white; xviii, 279 p. 207 illus., 200 illus. in color.
Размер: 234 x 156 x 18
Читательская аудитория: Professional & vocational
Основная тема: Physics
Ссылка на Издательство: Link
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Поставляется из: Германии
Описание: This book reports on the search for a new heavy particle, the Vector-Like Top quark (VLT), in the Large Hadron Collider (LHC) at CERN. The signal process is the pair production of VLT decaying into a Higgs boson and top quark (TT?Ht+X, X=Ht, Wb, Zt). The signal events result in top–antitop quarks final states with additional heavy flavour jets.The book summarises the analysis of the data collected with the ATLAS detector in 2015 and 2016. In order to better differentiate between signals and backgrounds, exclusive taggers of top quark and Higgs boson were developed and optimised for VLT signals. These efforts improved the sensitivity by roughly 30%, compared to the previous analysis. The analysis outcomes yield the strongest constraints on parameter space in various BSM theoretical models.In addition, the book addresses detector operation and the evaluation of tracking performance. These efforts are essential to properly collecting dense events and improving the accuracy of the reconstructed objects that are used for particle identification. As such, they represent a valuable contribution to data analysis in extremely dense environments.
Дополнительное описание: Introduction.- The ATLAS Experiment at the Large Hadron Collider.- Reconstruction of physics objects.- Data and Event simulations.- Signal and background modeling.- Optimisations of heavy object tagging and event categorisation.- Analysis strategy.- Syste

Search for New Phenomena in Top-Antitop Quarks Final States with Additional Heavy-Flavour Jets with the ATLAS Detector, Daiki Yamaguchi