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New discovery modes for a light charged Higgs boson at the LHC
At the Large Hadron Collider (LHC), both the ATLAS and CMS Collaborations have been searching for light charged Higgs bosons via top (anti)quark...
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Benchmarking di-Higgs production in various extended Higgs sector models
We present a comprehensive study on Higgs pair production in various archetypical extended Higgs sectors such as the real and the complex...
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A Search for Exotic Higgs Decays Or: How I Learned to Stop Worrying and Love Long-Lived Particles
The absence of new physics at the TeV scale observed thus far at the Large Hadron Collider (LHC) motivates an increasing focus on searches for...
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Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV
A search for a heavy Higgs boson H decaying into the observed Higgs boson h with a mass of 125 GeV and another Higgs boson h S is presented. The h and...
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Sensitivity to triple Higgs couplings via di-Higgs production in the 2HDM at the (HL-)LHC
An important task of the LHC is the investigation of the Higgs-boson sector. Of particular interest is the reconstruction of the Higgs potential,...
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Anomalous couplings in Higgs-boson pair production at approximate NNLO QCD
We combine NLO predictions with full top-quark mass dependence with approximate NNLO predictions for Higgs-boson pair production in gluon fusion,...
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Search for the Standard Model Higgs Boson and a Heavy Resonance in the WW(*) → (еνеν + μνμν) Decay Channel in the ATLAS Experiment
AbstractThe authors as part of the HWW team of the ATLAS experiment at the LHC have studied events with two opposite-sign muons and two electrons in...
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Dilaton at the LHC: complementary probe of composite Higgs
The dilaton is predicted in various extensions of the standard model containing sectors with an approximate spontaneously-broken conformal...
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A new LHC search for dark matter produced via heavy Higgs bosons using simplified models
Searches for dark matter produced via scalar resonances in final states consisting of Standard Model (SM) particles and missing transverse momentum...
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A three Higgs doublet model with symmetry-suppressed flavour changing neutral currents
We construct a three-Higgs doublet model with a flavour non-universal U(1) × ℤ 2 symmetry. That symmetry induces suppressed flavour-changing...
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Probing dark QCD sector through the Higgs portal with machine learning at the LHC
The QCD-like dark sector with GeV-scale dark hadrons has the potential to generate new signatures at the Large Hadron Collider (LHC). In this paper,...
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Search for Higgs boson decays to a Z boson and a photon in proton-proton collisions at \( \sqrt{s} \) = 13 TeV
Results are presented from a search for the Higgs boson decay H → Zγ, where Z → ℓ + ℓ − with ℓ = e or μ. The search is performed using a sample of...
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Charged Higgs induced 5 and 6 lepton signatures from heavy neutrinos at the LHC
We propose an anomaly free gauged U(1) extension of the SM where three right handed heavy neutrinos, being charged under the general U(1) gauge...
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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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Search for a new heavy scalar particle decaying into a Higgs boson and a new scalar singlet in final states with one or two light leptons and a pair of τ-leptons with the ATLAS detector
A search for a new heavy scalar particle X decaying into a Standard Model (SM) Higgs boson and a new singlet scalar particle S is presented. The...
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Three-loop master integrals for the Higgs boson self-energy with internal top-quarks and W-bosons
We consider the full set of master integrals with internal top-and W -propagators contributing to the three-loop Higgs self-energy diagrams of order
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Addressing six standard model problems with Technically Natural Higgs models
We aim to study the potential of the recently proposed model framework, called Technically Natural Higgs (TNH), in addressing six fundamental...
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Search for dark matter produced in association with a Higgs boson decaying to tau leptons at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying τ -leptons and missing transverse...
