Publications

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Physics Object Localization with Point Cloud Segmentation Networks

Performing semantic segmentation on low-level ATLAS detector simulation using Point Cloud and Graph Neural Networks. 
March 2021

Link to Paper
Link to Public Dataset
HL-LHC Computing Review Stage-2, Common Software Projects: Event Generators

This paper has been prepared by the HEP Software Foundation (HSF) Physics Event Generator Working Group (WG), as an input to the second phase of the LHCC review of High-Luminosity LHC (HL-LHC) computing, which is due to take place in November 2021.
September 2021
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​Link to Paper

The Department of Energy: AI For Science Report

Report that envisions the DOE Artificial Intelligence research landscape for the next 10-20 years.
March 2020
Link to Report

​Balsam: Near Real-Time Experimental Data Analysis on Supercomputers

Supercomputing 2019:  Workshop on Large-scale Experiment-in-the-Loop Computing (XLOOP)
Link to Paper

​Balsam: Automated Scheduling and Execution of Dynamic, Data-Intensive HPC Workflows

Supercomputing 2018: PyHPC Workshop
arXiv:1909.08704
​​Link to Paper

​Building and Using Containers on HPCs for the ATLAS Experiment

Intl. Conf. on Computing in High Energy and Nuclear Physics (CHEP)
July 2018, ​Sofia, Bulgaria
​Link to Paper

An Edge Service for Managing HPC Workflows

Fourth International Workshop on HPC User Support Tools
November 2017, Denver, USA
Link to Paper
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​Challenges in scaling NLO generators to leadership computers
Journal of Physics: Conference Series (Volueme 898)
22nd International Conference on Computing in High Energy and Nuclear Physics (CHEP2016)
10–14 October 2016, San Francisco, USA
Link to Paper
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Precision searches in dijets at the HL-LHC and HE-LHC​
Journal of Instrumentation (Volume 13)
​May 2018
​Link to Paper
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Developments in Architectures and Services for using High Performance Computing in Energy Frontier Experiments
Proceedings of Science (Volume 178)
38th International Conference on High Energy Physics
3-10 August 2016, Chicago, USA
​Link to Paper
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Adapting the serial Alpgen parton-interaction generator to simulate LHC collisions on millions of parallel threads
​Computer Physics Communications
Volume 210, January 2017
Link to Paper
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Simulation of LHC events on a millions threads
Journal of Physics: Conference Series (Volume 664)​
21st International Conference on Computing in High Energy and Nuclear Physics (CHEP2015)
13-17 April 2015, Okinawa, Japan
Link to Paper
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Achieving production-level use of HEP software at the Argonne Leadership Computing Facility
​Journal of Physics: Conference Series (Volume 664)​
21st International Conference on Computing in High Energy and Nuclear Physics (CHEP2015)
13-17 April 2015, Okinawa, Japan
​Link to Paper
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Measurements of normalized differential cross-sections for ttbar production in pp collisions at sqrt(s) = 7TeV using the ATLAS detector
Phys. Rev. D 90, 072004
​Published 13 October 2014
​Link to Paper
  1.   ​“ATLAS Level-1 Calorimeter Trigger: PreProcessor Implementation and Performance,” J.T. Childers, et al., JInst. 7 P12008, 2012
  2.  “Performance of the Electron and Photon Trigger in p-p Collisions at sqrt(s) = 7 TeV,” J.T. Childers and A. Tricoli (for ATLAS Collaboration), ATLAS-CONF-2011-114, 2011
  3. “ATLAS level-1 calorimeter trigger hardware: initial timing and energy calibration,” J.T. Childers (for ATLAS Collaboration), J. Phys.: Conf. Ser. 293, 2011
  4. “ATLAS Level-1 Calorimeter Trigger: Timing Calibration with 2009 LHC Beam Splashes,” J.T. Childers (for ATLAS Collaboration), ATL-DAQ-PUB-2010-001, 2010
  5. “Expected boron to carbon at TeV energies,” J.T. Childers and M.A. DuVernois, Proc. 30th Int. Cosmic Ray Conf., Merida, Vol. 2, pgs. 183-186, 2008
  6. “Timing charge and position analysis from the first CREAM flight,” J.T. Childers, Proc. 30th Int. Cosmic​ Ray Conf., Merida, Vol. 2, pgs. 373-376, 2008