“…The proponents then aimed to analyze a SUSY signal, the pair production of the top squark, decaying into a chargino, $\tilde{\chi}^{\pm}_1$, and a bottom quark against the most prominent background which is the multijet. …”
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“…This project produces a measurement of the strength of interaction between the top quark and Higgs boson, obtaining a Yukawa coupling of Yt = 1.16+0.24-0.35 relative to the standard model value.…”
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“…The production of a Higgs boson in association with a single top quark is a strongly suppressed process in the Standard Model (SM). …”
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“…This measurement quantifies the strength of interaction between the top quark and Higgs boson, obtaining a Yukawa coupling 0.24 value of $Y$$_{t}$ = 1.16$_{-0.36}^{+0.24}$ relative to the standard model.…”
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“…Searches are presented for new heavy resonances decaying into leptonically decaying weak gauge bosons and Higgs bosons decaying into a bottom quark pair using 139 fb^{−1} of proton collision data of the ATLAS detector of the LHC at 13 TeV center-of-mass energy. …”
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“…In these cases, the mass of the charm quark allows for perturbative QCD computations addressing the phenomena of saturation and nuclear shadowing, thus the study of such collisions provides information about the initial state of hadrons. …”
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“…The top quark pair production cross section is measured in proton-proton collisions at a centre-of-mass energy of 5.02 TeV. …”
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“…Prospects for the measurement of top quark-antiquark associated Higgs boson ($\text{t}\bar{\text{t}}\text{H}$) production in the HL-LHC era are presented. …”
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“…The F4 and F5 structure functions, never measured so far, will be also extracted and charm physics studies will be realised with improved accuracy with respect to the past, thus improving the sensitivity to the s quark distribution in the nucleon.This paper will focus on the neutrino physics potential of the SHiP experiment, including its sensitivity to Heavy Neutral Leptons searches.…”
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“…Some observables are infrared and collinear safe and thus easily comparable to first-principles calculations, while others offer direct insight into specific physical phenomena such as the quark-gluon plasma formed in heavy-ion collisions. …”
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“…In this thesis, we improve the cross-section limit for pair production of third-generation scalar Leptoquark decaying into a top quark and a tau-lepton and design a method to predict its mass. …”
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“…This poster presents the results of a search for new scalar particles featuring flavour-violating couplings in the quark sector, in the multi-lepton and multi-b-jet final state. …”
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“…The main goal of the ALICE experiment is to study the physics of strongly interacting matter, including the properties of the quark-gluon plasma (QGP). The relative production of strange hadrons with respect to non-strange hadrons in heavy-ion collisions was historically considered as one of the signatures of QGP formation. …”
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“…The production of a top quark-antiquark pair in association with a Higgs pair (ttHH) plays a special role in this context because, even if much rarer than the gluon fusion or Vector boson fusion production modes, is very sensitive to new physics effects and has implications both on the top and on the Higgs sectors. …”
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“…Presented measurements of muon pairs produced via two-photon scattering processes in hadronic Pb+Pb collisions provide a novel test of strong-field QED by exploiting correlations between the lepton pair and second-order event-plane, which can potentially be a sensitive electromagnetic probe of the quark-gluon plasma. Results are compared with recent theory calculations.…”
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“…The effects of this mismodelling on discrimination against quark and gluon jets are reduced by introducing domain adaptation into the training workflow. …”
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“…Presented measurements of muon pairs produced via two-photon scattering processes in hadronic Pb+Pb collisions provide a novel test of strong-field QED by exploiting correlations between the lepton pair and second-order event-plane, which can potentially be a sensitive electromagnetic probe of the quark-gluon plasma. Results are compared with recent theory calculations.…”
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“…These include measurements of $v_n-[p_\mathrm{T}]$ correlations in Xe+Xe and Pb+Pb, which carry important information about the initial-state geometry of the Quark-Gluon Plasma and can potentially shed light on any quadrupole deformation in the Xe nucleus; measurements of flow decorrelations differential in rapidity, which probe the longitudinal structure of the colliding system; and measurements of the sensitivity of collective behavior in $pp$ collisions to the presence of jets, which seek to distinguish the role that semi-hard processes play in the origin of these phenomena in small systems. …”
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“…Upper limits on 𝜎𝑅 × 𝐵𝑅(𝑅 → 𝑊𝑊) are obtained as a function of the resonance mass ranging from 300 GeV to 4 TeV for five different models: a Higgs-like narrow width scalar, a Higgs boson in the Georgi–Machacek model, a radion particle arising in the bulk Randall-Sundrum model, a spin-1 heavy vector triplet, and a spin-2 graviton, all with the resonance produced through either gluon-gluon fusion, quark-antiquark annihilation, or vector-boson fusion.…”
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“…In particular, I will focus on optimal observables in top-quark pair and Higgs+$Z$ production at the LHC, demonstrate their impact on the SMEFT parameter space as compared to binned measurements, and present the improved constraints associated to multivariate inputs. …”
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