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Probing Neutral Triple Gauge Couplings via $\boldsymbol{Z\gamma\,(\ell^+\ell^-\gamma)}$ Production at $\boldsymbol{e^+e^...
Neutral triple gauge couplings (nTGCs) are absent in the Standard Model (SM) and at the dimension-6 level in the Standard Model Effective Field Theory (SMEFT), arising first from dimension-8 operators. As such, they provide a unique window for probing new physics beyond the SM. These dimension-8 operators can be mapped to nTGC form factors whose st...
Laurent Polynomials in Mirror Symmetry
Mirror Symmetry is one of the most exciting ideas in mathematics to emerge in the last two decades. It was introduced in physics as a duality between superconformal field theories. This book discusses this rapidly developing aspect of string theory. / Mirror symmetry is one of the most exciting ideas in mathematics to emerge in the last two decades...
Characterization of nuclear break-up as a function of hard-scattering kinematics using dijets in $p$+Pb collisions at $\...
This note presents the first study of the sensitivity of event geometry estimators to the initial state kinematics of the hard scattering in proton-lead collisions. The data used in the analysis were recorded by the ATLAS detector at a center-of-mass energy of 8.16 TeV and correspond to a luminosity of 56~nb$^{-1}$. This analysis uses dijets as pro...
RF manipulations to improve SPS spill quality in the MHz range
The Super Proton Synchrotron (SPS) at CERN will be used to deliver beams of protons for the new Search for Hidden Particles (SHiP) experiment. SHiP is a proposed fixed target experiment that aims to search for new particles beyond the Standard Model of particle physics, as predicted by various models. During its nominal operation, SHiP will require...
Transformer networks for constituent-based 𝒃-jet calibration with the ATLAS detector: Poster
The precise measurement of a jet’s kinematics is a critical component of the physics program based on proton–proton collision data recorded by the ATLAS detector at the Large Hadron Collider. The determination of the energy and mass of jets containing bottom quarks $b$-jets is particularly difficult as, for example, they have different radiation pa...
A Top Friendship: Measurement of $t \mkern+1.0mu \bar{\mkern-1mu t} H$ production in the $H$($bb$) decay channel at ATLA...
The exploration of the Higgs boson's properties and its interactions with top quarks constitutes a pivotal aspect of the post-Higgs discovery era. Among these, the measurement of the associated production of a Higgs boson with a pair of top quarks ($t\mkern+1.0mu \bar{\mkern-1mu t} H$) offers a unique window into the Yukawa coupling between the Hig...
Updated projection of the sensitivity of searches for Higgs boson pair production in the $b\bar{b}\tau^{+}\tau^{-}$ fina...
An updated projection of the sensitivity to non-resonant Higgs boson pair production in the $b\bar{b}\tau^{+}\tau^{-}$ final state from LHC Run 2 to the High Luminosity LHC with the ATLAS detector is presented. Sensitivites are projected assuming a centre-of-mass energy of $14\,\text{TeV}$ for a variety of integrated luminosities ranging from $1000...
Higgs boson pair production in ATLAS
In the Standard Model, the ground state of the Higgs field is not found at zero but instead corresponds to one of the degenerate solutions minimising the Higgs potential. In turn, this spontaneous electroweak symmetry breaking provides a mechanism for the mass generation of nearly all fundamental particles. The Standard Model makes a definite predi...
Extension of the ATLAS Level-1 Trigger Menu Testing Framework
The ATLAS experiment requires a complex and adaptable Level-1 Trigger configuration in order to meet its diverse scientific goals. Trigger decisions are formed based on the Level-1 Trigger Menu, which refers to the physics configuration of the trigger and needs to be tested every time it is updated. The test is performed using a Python based framew...
