Search for tt̄H Production in the H → bb̅ Decay Channel, 1st ed. 2021 Using Deep Learning Techniques with the CMS Experiment Springer Theses Series
Auteur : Rieger Marcel
In 1964, a mechanism explaining the origin of particle masses was proposed by Robert Brout, François Englert, and Peter W. Higgs. 48 years later, in 2012, the so-called Higgs boson was discovered in proton-proton collisions recorded by experiments at the LHC. Since then, its ability to interact with quarks remained experimentally unconfirmed.
This book presents a search for Higgs bosons produced in association with top quarks tt?H in data recorded with the CMS detector in 2016. It focuses on Higgs boson decays into bottom quarks H ? bb? and top quark pair decays involving at least one lepton. In this analysis, a multiclass classification approach using deep learning techniques was applied for the first time. In light of the dominant background contribution from tt? production, the developed method proved to achieve superior sensitivity with respect to existing techniques. In combination with searches in different decay channels, the presented work contributed to the first observations of tt?H production and H ? bb? decays.
Nominated as an outstanding Ph.D. thesis by the RWTH Aachen University, Aachen, Germany
Received PhD Thesis Award 2019 of the CMS collaboration
Contributed to first observation of Higgs bosons in association with top quarks
Date de parution : 02-2022
Ouvrage de 217 p.
15.5x23.5 cm
Disponible chez l'éditeur (délai d'approvisionnement : 15 jours).
Prix indicatif 105,49 €
Ajouter au panierDate de parution : 02-2021
Ouvrage de 217 p.
15.5x23.5 cm
Disponible chez l'éditeur (délai d'approvisionnement : 15 jours).
Prix indicatif 105,49 €
Ajouter au panier