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Optimizing Geant4 Hadronic Models
/ Genser, Krzysztof (Fermilab) ; Jun, Soon Yung (Fermilab) ; Ribon, Alberto (CERN) ; Uzhinsky, Vladimir (Dubna, JINR) ; Yarba, Julia (Fermilab)
Geant4, the leading detector simulation toolkit used in high energy physics, employs a set of physics models to simulate interactions of particles with matter across a wide range of energies. These models, especially the hadronic ones, rely largely on directly measured cross-sections and inclusive characteristics, and use physically motivated parameters. [...]
arXiv:2309.12407; FERMILAB-CONF-23-436-CSAID.-
2024 - 7 p.
- Published in : EPJ Web Conf.: 295 (2024) , pp. 03026
Fulltext: 2309.12407 - PDF; Publication - PDF; FERMILAB-CONF-23-436-CSAID - PDF; External link: Fermilab Library Server
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.03026
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Software Aspects of the Geant4 Validation Repository
/ Dotti, Andrea (SLAC) ; Wenzel, Hans (Fermilab) ; Elvira, Daniel (Fermilab) ; Genser, Krzysztof (Fermilab) ; Yarba, Julia (Fermilab) ; Carminati, Federico (CERN) ; Folger, Gunter (CERN) ; Konstantinov, Dmitri (CERN ; Serpukhov, IHEP) ; Pokorski, Witold (CERN) ; Ribon, Alberto (CERN)
The Geant4, GeantV and GENIE collaborations regularly perform validation and regression tests for simulation results. DoSSiER (Database of Scientic Simulation and Experimental Results) is being developed as a central repository to store the simulation results as well as the experimental data used for validation. [...]
FERMILAB-CONF-17-044-CD.-
2016 - 8 p.
- Published in : 10.1088/1742-6596/898/4/042030
Fulltext: PDF; External link: FERMILABCONF
In : 38th International Conference on High Energy Physics, Chicago, IL, USA, 03 - 10 Aug 2016
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DoSSiER: Database of Scientific Simulation and Experimental Results
/ Wenzel, Hans (Fermilab) ; Yarba, Julia (Fermilab) ; Genser, Krzysztof (Fermilab) ; Elvira, Daniel (Fermilab) ; Pokorski, Witold (CERN) ; Carminati, Federico (CERN) ; Konstantinov, Dmitri (CERN) ; Ribon, Alberto (CERN) ; Folger, Gunter (CERN) ; Dotti, Andrea (SLAC)
The Geant4, GeantV and GENIE collaborations regularly perform validation and regression tests for simulation results. [...]
FERMILAB-CONF-16-508-CD.
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SISSA, 2017. - 6 p.
FERMILABCONF - Fulltext - Fulltext
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Recent developments in G$_{EANT}$4
/ Allison, J (Geant4 Assoc. ; Manchester U.) ; Apostolakis, J (CERN) ; Lee, S B (Korea Elect. Res. Inst., Changwon) ; Amako, K (KEK, Tsukuba ; Geant4 Assoc.) ; Chauvie, S (PRATO, Italy) ; Mantero, A (Genoa U.) ; Shin, J I (Korea Elect. Res. Inst., Changwon) ; Toshito, T (KMI, Nagoya) ; Truscott, P R (QinetiQ) ; Yamashita, T (JAERI-RIKEN, Hyogo) et al.
G eant 4 is a software toolkit for the simulation of the passage of particles through matter. It is used by a large number of experiments and projects in a variety of application domains, including high energy physics, astrophysics and space science, medical physics and radiation protection. [...]
FERMILAB-PUB-16-447-CD.-
2016 - 40 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 835 (2016) 186-225
Fulltext: 10.1016_j.nima.2016.06.125 - PDF; openaccess_1-s2.0-S0168900216306957-main - PDF;
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GEANT4 Parameter Tuning Using Professor
/ Elvira, V. (Fermilab) ; Fields, L. (Fermilab) ; Genser, K.L. (Fermilab) ; Hatcher, R. (Fermilab) ; Ivanchenko, V. (CERN ; Tomsk State U.) ; Kelsey, M. (SLAC) ; Koi, T. (SLAC) ; Perdue, G.N. (Fermilab) ; Ribon, A. (CERN) ; Uzhinsky, V. (CERN) et al.
The Geant4 toolkit is used extensively in high energy physics to simulate the passage of particles through matter and to predict effects such as detector efficiencies and smearing. Geant4 uses many underlying models to predict particle interaction kinematics, and uncertainty in these models leads to uncertainty in high energy physics measurements. [...]
arXiv:1910.06417; FERMILAB-PUB-19-526-SCD.-
2020-02-27 - 45 p.
- Published in : JINST 15 (2020) P02025
Fulltext: 1910.06417 - PDF; fermilab-pub-19-526-scd - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
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Geant4 Computing Performance Benchmarking and Monitoring
/ Dotti, Andrea (SLAC) ; Elvira, V Daniel (Fermilab) ; Folger, Gunter (CERN) ; Genser, Krzysztof (Fermilab) ; Jun, Soon Yung (Fermilab) ; Kowalkowski, James B (Fermilab) ; Paterno, Marc (Fermilab)
Performance evaluation and analysis of large scale computing applications is essential for optimal use of resources. As detector simulation is one of the most compute intensive tasks and Geant4 is the simulation toolkit most widely used in contemporary high energy physics (HEP) experiments, it is important to monitor Geant4 through its development cycle for changes in computing performance and to identify problems and opportunities for code improvements. [...]
FERMILAB-CONF-15-599-CD.-
2015 - 8 p.
- Published in : J. Phys.: Conf. Ser. 664 (2015) 062021
IOP Open Access article: PDF;
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015, pp.062021
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Recent progress with the top to bottom approach to vectorization in GeantV
/ Amadio, Guilherme (CERN) ; Ananya ; Apostolakis, John (CERN) ; Bandieramonte, Marilena (CERN ; U. Pittsburgh (main)) ; Behera, Shiba (Bhabha Atomic Res. Ctr.) ; Bhattacharyya, Abhijit (Bhabha Atomic Res. Ctr.) ; Brun, René (CERN) ; Canal, Philippe (Fermilab) ; Carminati, Federico (CERN) ; Cosmo, Gabriele (CERN) et al.
SIMD acceleration can potentially boost by factors the application throughput. Achieving efficient SIMD vectorization for scalar code with complex data flow and branching logic, goes however way beyond breaking some loop dependencies and relying on the compiler. [...]
2019 - 8 p.
- Published in : EPJ Web Conf. 214 (2019) 02007
Fulltext from publisher: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.02007
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Electromagnetic physics vectorization in the GeantV transport framework
/ Amadio, Guilherme (CERN) ; Ananya (CERN) ; Apostolakis, John (CERN) ; Bandieramonte, Marilena (CERN ; U. Pittsburgh (main)) ; Behera, S P (Bhabha Atomic Res. Ctr.) ; Bhattacharyya, Abhijit (Bhabha Atomic Res. Ctr.) ; Brun, Rene (CERN) ; Canal, Philippe (Fermilab) ; Carminati, Federico (CERN) ; Cosmo, Gabriele (CERN) et al.
The development of the GeantV Electromagnetic (EM) physics package has evolved following two necessary paths towards code modernization. A first phase required the revision of the main electromagnetic physics models and their implementation. [...]
2019 - 11 p.
- Published in : EPJ Web Conf. 214 (2019) 02031
Fulltext from publisher: PDF;
In : 23rd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2018, Sofia, Bulgaria, 9 - 13 Jul 2018, pp.02031
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