Search for exotic Higgs boson decays to four leptons with the ATLAS detector
Cai, Huacheng
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https://hdl.handle.net/2142/107860
Description
Title
Search for exotic Higgs boson decays to four leptons with the ATLAS detector
Author(s)
Cai, Huacheng
Issue Date
2020-03-19
Director of Research (if dissertation) or Advisor (if thesis)
Martinez Outschoorn, Verena Ingrid
Doctoral Committee Chair(s)
Pitts, Kevin
Committee Member(s)
Peng, Jen-Chieh
Shelton, Jessie
Coelho Lopes de Sa, Rafael
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
high energy physics experiments
Higgs physics
beyond Standard Model physics
LHC physics
ATLAS detector
Abstract
Searches for exotic Higgs boson decays are well motivated by various theoretical models, as well as the constraints from Higgs boson measurement results. The focus is on exotic Higgs boson decays to a pair of beyond-the-Standard-Model spin-0 particles $a$. This dissertation conducts two analyses for exotic Higgs bosons decaying into leptons, which are $H\rightarrow2a\rightarrow4\mu$ and $H\rightarrow2a\rightarrow4\tau$, and target the mass ranges of $1
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