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Higgs Boson Physics
This chapter provides an overview of the current theoretical and experimental knowledge on the Higgs boson. After motivating the importance of the...
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Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons
A search for CP violation in the decay kinematics and vector-boson fusion production of the Higgs boson is performed in the H → ZZ * → 4 ℓ ( ℓ = e, μ )...
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The Beauty and the Boost: A Higgs Boson Tale Measurements of Higgs Boson Production at High Energy in Decays to Bottom Quarks and Their Interpretations with the ATLAS Experiment at the LHC
Precision measurements of the Higgs boson’s properties are a powerful tool to look for deviations from the predictions of the Standard Model (SM) of...
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Measurement of the Higgs boson width and evidence of its off-shell contributions to ZZ production
Since the discovery of the Higgs boson in 2012, detailed studies of its properties have been ongoing. Besides its mass, its width—related to its...
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A Beauty-ful Boson Search for the Higgs Boson Produced in Association with a Vector Boson and Decaying into a Pair of b-quarks Using Large-R Jets with the ATLAS Detector
The analysis described in this thesis is the search for the Higgs boson, decaying into bbpair, in the associated production with a vector boson, in...
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Measurement of Higgs Boson Production at High Transverse Momentum in the VH, H \(\boldsymbol{\rightarrow b\bar{b}}\) Channel
This chapter presents a novel measurement of Higgs boson production at high $$p_{\text...
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Combination of Measurements of Higgs Boson Decays to Heavy-Flavour Quarks
This chapter presents two combinations of measurements of Higgs boson decays to heavy-flavour quarks. The first combines the novel...
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Refining the GENEVA method for Higgs boson production via gluon fusion
We describe a number of improvements to the Geneva method for matching NNLO calculations to parton shower programs. In particular, we detail changes...
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Explanation of the hints for a 95 GeV Higgs boson within a 2-Higgs Doublet Model
We suggest an explanation for and explore the consequences of the excess around 95 GeV in the di-photon and di-tau invariant mass distributions...
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Measuring hadronic Higgs boson branching ratios at future lepton colliders
We present a novel strategy for the simultaneous measurement of Higgs-boson branching ratios into gluons and light quarks at a future lepton collider...
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The Higgs Boson and the Standard Model of Particle Physics
The Standard Model of particle physics (SM) [1] is the pillar on which the current understanding of the subatomic world is based. It describes the...
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The Higgs Boson and its physics: an overview
The Higgs boson plays a central role in the Standard Model, as well as in theories which go beyond it. This article is therefore divided into two...
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Search for a charged Higgs boson decaying into a heavy neutral Higgs boson and a W boson in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
A search for a charged Higgs boson H ± decaying into a heavy neutral Higgs boson H and a W boson is presented. The analysis targets the H decay into a...
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From Atoms to the Higgs Boson
Secondary science education is vital, not only for students considering careers in science and technology-based fields, but for everyone. Its...
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Measurement of the \(W\) Boson Mass
This chapter describes the completed measurement of the W boson mass using LHCb's 2016 dataset.
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Application of Machine Learning for the Analysis of Higgs Boson Production in Association with Single Top-Quark
AbstractThis work describes results of application of a neural network for the classification of the Higgs boson in association with a single top...
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Measurements of the Higgs boson production cross section and couplings in the W boson pair decay channel in proton-proton collisions at \(\sqrt{s}=13\,\text {Te\hspace{-.08em}V} \)
Production cross sections of the standard model Higgs boson decaying to a pair of W bosons are measured in proton-proton collisions at a...
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Probing the interactions of axion-like particles with electroweak bosons and the Higgs boson in the high energy regime at LHC
We study the interactions of axion-like particles (ALPs) with the Standard Model particles, aiming to probe their phenomenology via non-resonant...
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QCD corrections to the Golden decay channel of the Higgs boson
Future colliders aim to provide highly precise experimental measurements of the properties of the Higgs boson. In order to benefit from these...
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Inelastic dark matter from dark Higgs boson decays at FASER
We consider inelastic dark matter scenarios with dark photon mediator and a dark Higgs boson. The dark Higgs boson spontaneously breaks the gauge...