Search for Higgs Boson Pair Production in the bb̅ τ+ τ- Decay Channel
with the CMS detector at the LHC
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Beschreibung
This thesis presents innovative contributions to the CMS experiment in the new trigger system for the restart of the LHC collisions in Run II, as well as original analysis methods and important results that led to official publications of the Collaboration.
The author's novel reconstruction algorithms, deployed on the Field-Programmable Gate Arrays of the new CMS trigger architecture, have brought a gain of over a factor 2 in efficiency for the identification of tau leptons, with a very significant impact on important H boson measurements, such as its decays to tau lepton pairs and the search for H boson pair production.
He also describes a novel analysis of HH → bb tautau, a high priority physics topic in a difficult channel. The original strategy, optimisation of event categories, and the control of the background have made the result one of the most sensitive concerning the self-coupling of the Higgs boson among all possible channels at the LHC.
This thesis presents innovative contributions to the CMS experiment in the new trigger system for the restart of the LHC collisions in Run II, as well as original analysis methods and important results that led to official publications of the Collaboration.
The author's novel reconstruction algorithms, deployed on the Field-Programmable Gate Arrays of the new CMS trigger architecture, have brought a gain of over a factor 2 in efficiency for the identification of tau leptons, with a very significant impact on important H boson measurements, such as its decays to tau lepton pairs and the search for H boson pair production.
He also describes a novel analysis of HH → bb tautau, a high priority physics topic in a difficult channel. The original strategy, optimisation of event categories, and the control of the background have made the result one of the most sensitive concerning the self-coupling of the Higgs boson among all possible channels at the LHC.
Nominated as an outstanding Ph.D thesis by the CMS collaboration at CERN Comprehensively describes the development of a reconstruction algorithm for the hardware trigger, from its initial definition to the implementation and commissioning Gives details of the motivation, challenges and development of a data analysis at the LHC Provides an overview of Higgs boson pair production at the LHC: from the motivations in the standard model and beyond, to the LHC Run II status and prospects
Autor*in
Luca Cadamuro
Themen in »Search for Higgs Boson Pair Production in the bb̅ τ+ τ- Decay Channel«
Electroweak Symmetry Breaking Higgs Boson Pair Production Trilinear Coupling Self Coupling Trigger Tau Lepton Decay to Hadrons Dynamic Energy Clustering Technique