“…These signatures include generic quark and gluon jets, as well as jets originating from b-quarks or the decay of massive particles (such as electroweak bosons or top quarks). Additionally, missing transverse momentum from non-interacting particles provides an interesting probe in the search for new physics beyond the Standard Model.

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“…These signatures include generic quark and gluon jets, as well as jets originating from b-quarks or the decay of massive particles (such as electroweak bosons or top quarks). Additionally, missing transverse momentum from non-interacting particles provides an interesting probe in the search for new physics beyond the Standard Model. …”
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“…These signatures include generic quark and gluon jets, as well as jets originating from $b$-quarks or the decay of massive particles (such as electroweak bosons or top quarks). Additionally, missing transverse momentum from non-interacting particles provides an interesting probe in the search for new physics beyond the Standard Model. …”
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“…A multiclassification algorithm, the ``boosted event shape tagger'', is deployed to label candidate jets as originating from top quarks, W, Z, or Higgs bosons. Candidate events are categorized according to the multiplicities of heavy objects observed in the final state, and the scalar sum of all observed jet momenta is used to discriminate signal events from the QCD multijet background. …”
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“…Pair-production of superpartners of electroweak ($W/Z$) and higgs bosons in the supersymmetry (SUSY) models, collectively referred to as electroweakinos, or pair-production of superpartners of charged leptons (sleptons) are one of such search areas that can profit from this large amount of dataset in order to gain the sensitivity. …”
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“…An observation of the combined production of three massive vector bosons ($\mathrm{VVV}$ with $\mathrm{V} = \mathrm{W},\mathrm{Z}$) in proton-proton collisions at a center-of-mass energy of $13~\mathrm{TeV}$ is reported. …”
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“…We demonstrate, for the first time, that top quark decay products (leptonically decaying W bosons and bottom quarks) can be identified, irrespective of any possible final-state interactions with the quark-gluon plasma.…”
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“…This thesis presents such a machine learning based analysis measuring the production of Standard Model Higgs bosons in the decay to two tau leptons at the CMS experiment and discusses the possibilities and challenges of machine learning at this stage of an analysis. …”
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“…The peculiarity, though, is that this heavier state would couple to longitudinal vector bosons with the same typical strength of the low-mass state and thus represent a relatively narrow resonance. …”
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“…In particular, it introduces at least one extra fermionic triplet field with zero hypercharge in the adjoint representation of $SU(2)_L$ which couples to electroweak gauge bosons. These new charged and neutral heavy leptons could be produced via EW processes at the Large Hadron Collider (LHC).This search is performed using data collected by the ATLAS detector at $\sqrt{s}$ = 13 TeV with an integrated luminosity of 139 $fb^-1$ corresponding to the full Run-2 dataset recorded in LHC Run 2 (2015-2018). …”
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“…In particular, it introduces at least one extra fermionic triplet field with zero hypercharge in the adjoint representation of $SU(2)_L$ which couples to the electroweak gauge bosons. These new charged and neutral heavy leptons could be produced via EW processes at the Large Hadron Collider (LHC). …”
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“…Here we thus demonstrate, for the first time, that top quark decay products (leptonically decaying W bosons and bottom quarks) are identified, irrespective of any possible final-state interactions with the quark-gluon plasma.…”
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“…Itis also found that the reduced version of the MSSM is ruled out by the LHC searches forheavy neutral MSSM Higgs bosons for the allowed parameter space.…”
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“…In this talk, total and differential measurements of top-quark production in association with additional bosons are shown using data taken with the ATLAS experiment at a center-of-mass-energy of 13 TeV. …”
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“…In the search for new heavy gauge bosons $\mathrm{Z}^{\prime}$, the expected exclusion limit at $95\%$ CL will be improved by about 300$\,\mathrm{GeV}$ with the combination of the Run 2 and Run 3 datasets, and by about $1.7\,\mathrm{TeV}$ with the HL-LHC dataset. …”
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“…Identified flow measurements (e.g., that of light and heavy flavor quarks, or Z bosons, etc) provide an important insight into the nature of collective phenomena in different collision systems.…”
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“…On the other hand, the Reduced Minimal Supersymmetric Standard Model (Reduced MSSM) is found to be ruled out by LHC searches for heavy neutral MSSM Higgs bosons.…”
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“…In this thesis, the scattering of two like-charge W-bosons with the final state $l^{\pm} \nu l^{\pm} \nu j j$ is studied for proton-proton collisions at $8 \mathrm{TeV}$ and $13 \mathrm{TeV}$ centre-of-mass energy. …”
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“…In this bachelor thesis Monte Carlo data of the transverse mass $M_T$ (𝑊𝑍), the transverse momentum $M_T$ (𝑍) and the numb er of jets in the electroweak scattering of W - and Z -bosons are unfolded. The unfolding process is studied at different integrated luminosities which can b e partially reached in the Run 2 of the LHC. …”
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“…The observation of associated production of top quarks has provided the first direct measurement of the top quark EW couplings with neutral gauge bosons and the first access to the four-top-quark interaction vertex. …”
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