J. Schaarschmidt
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View article: Optimizing the throughput of the ATLAS Geant4 detector simulation
Optimizing the throughput of the ATLAS Geant4 detector simulation Open
For Run 3 at the Large Hadron Collider the Monte Carlo Detector Simulation performed with Geant4 (Full Simulation) within the ATLAS experiment has undergone significant improvements to enhance its computational performance and overall effi…
View article: Non-resonant searches at the TeV scale
Non-resonant searches at the TeV scale Open
Extensions of the Standard Model are very well motivated despite the lack of new physics observations thus far. New fundamental symmetries such as supersymmetry or leptoquarks as well as extra dimensions offer elegant solutions to open que…
View article: AtlFast3: Fast Simulation in ATLAS for LHC Run 3 and Beyond
AtlFast3: Fast Simulation in ATLAS for LHC Run 3 and Beyond Open
As we are approaching the high-luminosity era of the LHC, the computational requirements of the ATLAS experiment are expected to increase significantly in the coming years. Notably, simulation of Monte Carlo (MC) events is immensely comput…
View article: PHYSLITE - A new reduced common data format for ATLAS
PHYSLITE - A new reduced common data format for ATLAS Open
The High Luminosity LHC (HL-LHC) era brings unprecedented computing challenges that call for novel approaches to reduce the amount of real and Monte Carlo-simulated data that is stored, while continuing to support the rich physics program …
View article: Second Analysis Ecosystem Workshop Report
Second Analysis Ecosystem Workshop Report Open
The second workshop on the HEP Analysis Ecosystem took place 23-25 May 2022 at IJCLab in Orsay, to look at progress and continuing challenges in scaling up HEP analysis to meet the needs of HL-LHC and DUNE, as well as the very pressing nee…
View article: HSF IRIS-HEP Second Analysis Ecosystem Workshop Report
HSF IRIS-HEP Second Analysis Ecosystem Workshop Report Open
The second workshop on the HEP Analysis Ecosystem took place 23-25 May 2022 at IJCLab in Orsay, to look at progress and continuing challenges in scaling up HEP analysis to meet the needs of HL-LHC and DUNE, as well as the very pressing nee…
View article: HSF IRIS-HEP Second Analysis Ecosystem Workshop Report
HSF IRIS-HEP Second Analysis Ecosystem Workshop Report Open
<p>The second workshop on the <a href="https://indico.cern.ch/e/aew2">HEP Analysis Ecosystem</a> took place 23-25 May 2022 at IJCLab in Orsay, to look at progress and continuing challenges in scaling up HEP analysis to me…
View article: Fast simulation methods in ATLAS: from classical to generative models
Fast simulation methods in ATLAS: from classical to generative models Open
The ATLAS physics program relies on very large samples of G eant 4 simulated events, which provide a highly detailed and accurate simulation of the ATLAS detector. However, this accuracy comes with a high price in CPU, and the sensitivity …
View article: Higgs Boson Pair Production at Colliders: Status and Perspectives
Higgs Boson Pair Production at Colliders: Status and Perspectives Open
This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson self-coupling, with the wish to serve as a useful guide for t…
View article: ATLAS Searches for Resonances Decaying to Boson Pairs
ATLAS Searches for Resonances Decaying to Boson Pairs Open
Many extensions to the Standard Model predict new particles decaying into two bosons (W, Z, photon, or Higgs bosons) making these important signatures in the search for new physics. Searches for such diboson resonances have been performed …
View article: Deep Generative Models for Fast Shower Simulation in ATLAS
Deep Generative Models for Fast Shower Simulation in ATLAS Open
Detectors of High Energy Physics experiments, such as the ATLAS dectector [1] at the Large Hadron Collider [2], serve as cameras that take pictures of the particles produced in the collision events. One of the key detector technologies use…
View article: Upgrading the Fast Calorimeter Simulation in ATLAS
Upgrading the Fast Calorimeter Simulation in ATLAS Open
The tremendous need for simulated samples now and even more so in the future, encourages the development of fast simulation techniques. The Fast Calorimeter Simulation is a faster though less accurate alternative to the full calorimeter si…
View article: New approaches using machine learning for fast shower simulation in ATLAS
New approaches using machine learning for fast shower simulation in ATLAS Open
Modeling the detector response to collisions is one of the most CPU expensive and time-consuming aspects in the LHC. The current ATLAS baseline, GEANT4, is highly CPU intensive. With the large collision dataset expected in the future, CPU …
View article: Search for Heavy Higgs Bosons with the ATLAS Detector
Search for Heavy Higgs Bosons with the ATLAS Detector Open
The ATLAS experiment at the Large Hadron Collider performed searches for heavy Higgs bosons, whose presence would establish the existance of new physics. Searches for charged and neutral Higgs bosons are carried out using 8 or 13 TeV data …
View article: The new ATLAS Fast Calorimeter Simulation
The new ATLAS Fast Calorimeter Simulation Open
Current and future need for large scale simulated samples motivate the development of reliable fast simulation techniques. The new Fast Calorimeter Simulation is an improved parameterized response of single particles in the ATLAS calorimet…
View article: Fast Calorimeter Simulation in ATLAS
Fast Calorimeter Simulation in ATLAS Open
Producing the very large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. Fast simulation tools are a useful way of redu…
View article: The Resistive-Plate WELL with Argon mixtures – A robust gaseous radiation detector
The Resistive-Plate WELL with Argon mixtures – A robust gaseous radiation detector Open