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

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Search for New Phenomena in Top-Antitop Quarks Final States with Additional Heavy-Flavour Jets with the ATLAS Detector/ by Daiki Yamaguchi.
Author:	Yamaguchi, Daiki.
Description:	XVIII, 279 p. 207 illus., 200 illus. in color.online resource. :
Contained By:	Springer Nature eBook
Subject:	Particle acceleration. -
Online resource:	https://doi.org/10.1007/978-981-15-0932-2
ISBN:	9789811509322

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

Search for New Phenomena in Top-Antitop Quarks Final States with Additional Heavy-Flavour Jets with the ATLAS Detector[electronic resource] /by Daiki Yamaguchi. - 1st ed. 2019. - XVIII, 279 p. 207 illus., 200 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

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 -- Systematic uncertainties -- Statistical analysis -- Results -- Discussion -- Prospect -- Conclusion.

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.

ISBN: 9789811509322

Standard No.: 10.1007/978-981-15-0932-2doiSubjects--Topical Terms:

681844
Particle acceleration.

LC Class. No.: QC770-798

Dewey Class. No.: 539.73

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