ATLAS Measurements of the Higgs Boson Coupling to the Top Quark in the Higgs to Diphoton Decay Channel (Paperback, 1st ed. 2021)

During Run 2 of the Large Hadron Collider, the ATLAS experiment recorded proton-proton collision events at 13 TeV, the highest energy ever achieved in a collider. Analysis of this dataset has provided new opportunities for precision measurements of the Higgs boson, including its interaction with the top quark. The Higgs-top coupling can be directly probed through the production of a Higgs boson in association with a top-antitop quark pair (ttH). The Higgs to diphoton decay channel is among the most sensitive for ttH measurements due to the excellent diphoton mass resolution of the ATLAS detector and the clean signature of this decay. Event selection criteria were developed using novel Machine Learning techniques to target ttH events, yielding a precise measurement of the ttH cross section in the diphoton channel and a 6.3 $\sigma$ observation of the ttH process in combination with other decay channels, as well as stringent limits on CP violation in the Higgs-top coupling.

General

Imprint:	Springer Nature Switzerland AG
Country of origin:	Switzerland
Series:	Springer Theses
Release date:	November 2022
First published:	2021
Authors:	Jennet Elizabeth Dickinson
Dimensions:	235 x 155mm (L x W)
Format:	Paperback
Pages:	223
Edition:	1st ed. 2021
ISBN-13:	978-3-03-086370-8
Categories:	Books > Science & Mathematics > Physics > Particle & high-energy physics Books > Science & Mathematics > Physics > Quantum physics (quantum mechanics) > General Books > Computing & IT > Applications of computing > Artificial intelligence > Machine learning
LSN:	3-03-086370-0
Barcode:	9783030863708

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