activity
20182026
most citedATLAS data quality operations and performance for 2015-2018 data-taking

337 citations · 1.9k across the 36 of their papers we have counts for

collaborators

38 papers

hep-ph2026

LLM-Based FORM Code Generation with Verification-Driven Fine-Tuning

Bakar Chargeishvili

FORM is a domain-specific symbolic manipulation language widely used in particle physics for processing the very large algebraic expressions arising from multi-loop Feynman diagram…

hep-ph2026

Higgs boson pair production in SMEFT: shape and truncation studies

Manosch Bär, Bakar Chargeishvili, Ramona Gröber +2

We present a comparative study of the influence of Wilson coefficients on Higgs boson pair production cross sections in SMEFT up to dimension-6, also including loop-suppressed oper…

hep-ex2025

Search for emerging jets in collisions at TeV with the ATLAS experiment

ATLAS Collaboration

A search is presented for emerging jets using 140 fb of proton-proton collision data at TeV, collected by the ATLAS experiment between 2015 and 2018. The sea…

hep-ex2024★ 4 cited

Precision calibration of calorimeter signals in the ATLAS experiment using an uncertainty-aware neural network

ATLAS Collaboration

The ATLAS experiment at the Large Hadron Collider explores the use of modern neural networks for a multi-dimensional calibration of its calorimeter signal defined by clusters of to…

hep-ex2024★ 1 cited

Search for supersymmetry in final states with missing transverse momentum and charm-tagged jets using 139 fb of proton-proton collisions at 13 TeV with the ATLAS detector

ATLAS Collaboration

The paper presents a search for supersymmetric particles produced in proton-proton collisions at 13 TeV and decaying into final states with missing transverse momentum…

hep-ex2024

Search for a light CP-odd Higgs boson decaying into a pair of -leptons in proton-proton collisions at TeV with the ATLAS detector

ATLAS Collaboration

This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fb$^{-1}…

hep-ph2024

Analysis of and -parton contributions for computing QCD jet cross sections in the local analytic subtraction scheme

Bakar Chargeishvili, Giuseppe Bevilacqua, Adam Kardos +2

We analyze and implement the Local Analytic Sector Subtraction (LASS) scheme for handling infrared singularities in next-to-next-to-leading order (NNLO) calculations in perturbativ…

hep-ph2024

LASS, the numerics

Adam Kardos, Giuseppe Bevilacqua, Bakar Chargeishvili +2

We summarize our efforts to create a numerical implementation of the Local Analytical Subtraction Scheme (LASS) for obtaining NNLO QCD predictions in electron-positron collisions.…

hep-ex2024★ 3 cited

Search for the associated production of charm quarks and a Higgs boson decaying into a photon pair with the ATLAS detector

ATLAS Collaboration

A search for the production of a Higgs boson and one or more charm quarks, in which the Higgs boson decays into a photon pair, is presented. This search uses proton-proton collisio…

hep-ex2024★ 3 cited

Combination of searches for Higgs boson decays into a photon and a massless dark photon using collisions at TeV with the ATLAS detector

ATLAS Collaboration

A combination of searches for Higgs boson decaying into a visible photon and a massless dark photon () is presented using 139 fb of proton--proton collisi…

cs.SC2024

LinApart: optimizing the univariate partial fraction decomposition

Bakar Chargeishvili, Levente Fekésházy, Gábor Somogyi +1

We present LinApart, a routine designed for efficiently performing the univariate partial fraction decomposition of large symbolic expressions. Our method is based on an explicit c…

hep-ph2024

Automatic generation of orthogonal multiplet bases in color space

Bakar Chargeishvili

We present a software that automatically generates a multiplet color basis for general processes in quantum chromodynamics (QCD). The construction process is guided by th…

hep-ex2024★ 6 cited

Measurements of electroweak boson pair production in association with two jets in collisions at TeV with the ATLAS detector

ATLAS Collaboration

Measurements of integrated and differential cross-sections for electroweak production in association with two jets () in protonproton collisions are prese…

hep-ex2023★ 2 cited

Search for quantum black hole production in lepton+jet final states using proton-proton collisions at = 13 TeV with the ATLAS detector

ATLAS Collaboration

A search for quantum black holes in electron+jet and muon+jet invariant mass spectra is performed with 140 fb of data collected by the ATLAS detector in proton-proton collis…

hep-ex2023★ 9 cited

Search for lepton-flavour violation in high-mass dilepton final states using 139 of collisions at TeV with the ATLAS detector

ATLAS Collaboration

A search is performed for a heavy particle decaying into different-flavour, dilepton final states, using 139 of proton-proton collision data at TeV…

hep-ex2023★ 10 cited

Measurements of multijet event isotropies using optimal transport with the ATLAS detector

ATLAS Collaboration

A measurement of novel event shapes quantifying the isotropy of collider events is performed in 140 fb of proton-proton collisions with TeV centre-of-mass energ…

hep-ex2023★ 11 cited

Model-independent search for the presence of new physics in events including with = 13 TeV pp data recorded by the ATLAS detector at the LHC

ATLAS Collaboration

A model-independent search for new physics leading to final states containing decays is performed with 139 fb of = 13 TeV pp collision data recor…

hep-ph2022

One-loop soft anomalous dimension matrices for hadroproduction

Bakar Chargeishvili, Maria Vittoria Garzelli, Sven-Olaf Moch

We calculate the one-loop corrections to the soft anomalous dimension matrices for the production of a top-antitop quark pair in association with a jet at hadron colliders. This is…

hep-ex2020★ 41 cited

Search for resonances in fully hadronic final states in collisions at TeV with the ATLAS detector

ATLAS Collaboration

This paper presents a search for new heavy particles decaying into a pair of top quarks using 139 fb of proton--proton collision data recorded at a centre-of-mass energy of…

hep-ex2020★ 101 cited

Properties of Higgs Boson Interactions with Top Quarks in the and Processes Using with the ATLAS Detector

ATLAS Collaboration

A study of the properties of the interaction between the Higgs boson and top quarks is presented. Higgs bosons are identified via the diphoton decay channel ($H \rightarrow γγ…

physics.ins-det2019★ 337 cited

ATLAS data quality operations and performance for 2015-2018 data-taking

ATLAS Collaboration

The ATLAS detector at the Large Hadron Collider reads out particle collision data from over 100 million electronic channels at a rate of approximately kHz, with a recording r…

hep-ex2019★ 54 cited

Search for magnetic monopoles and stable high-electric-charge objects in 13 TeV proton-proton collisions with the ATLAS detector

ATLAS Collaboration

A search for magnetic monopoles and high-electric-charge objects is presented using 34.4 fb of 13 TeV collision data collected by the ATLAS detector at the LHC during 2…

hep-ex2019★ 189 cited

Combination of searches for invisible Higgs boson decays with the ATLAS experiment

ATLAS Collaboration

Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. This Letter presents a statistical combination of searches for …

hep-ex2019★ 44 cited

Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector

ATLAS Collaboration

A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb of proton-proton collisions at …