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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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Including Calorimeter Test Beams in Geant-val—The Physics Validation Testing Suite of Geant4
/ Pezzotti, Lorenzo (CERN) ; Kiryunin, Andrey (Munich, Max Planck Inst.) ; Konstantinov, Dmitri (Serpukhov, IHEP) ; Ribon, Alberto (CERN) ; Strizenec, Pavol (Kosice, IEF)
/Geant4 Collaboration
The Geant4 simulation toolkit is currently adopted by many particle physics experiments, including those at the Large Hadron Collider and the ones proposed for future lepton and hadron colliders. In the present era of precision tests for the Standard Model and increasingly detailed detectors proposed for the future colliders scenario, Geant4 plays a key role. [...]
2022 - 12 p.
- Published in : Instruments 6 (2022) 41
Fulltext: PDF;
In : 19th International Conference on Calorimetry in Particle Physics, Brighton, United Kingdom, 16 - 20 May 2022, pp.41
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Geant4 detector simulations for future HEP experiments
/ Hariri, Farah (CERN) ; Novak, Mihaly (CERN) ; Ivanchenko, Vladimir (CERN ; Tomsk State U.) ; Ribon, Alberto (CERN)
/Geant4 Collaboration
The experimental programmes planned for the next decade are driving developments in the simulation domain: these include the High Luminosity LHC project (HL-LHC), neutrino experiments (LBNF/DUNE), and studies towards future facilities such as Linear Collider (ILC/CLIC) and Future Circular Collider (FCC). The complex detectors of the future, with different module- or cell-level shapes, finer segmentation, and novel materials and detection techniques, require additional features in geometry tools and bring new demands on physics coverage and accuracy within the constraints of the available computing resources. [...]
SISSA, 2019 - 4 p.
- Published in : PoS ICHEP2018 (2019) 268
Fulltext from publisher: PDF;
In : XXXIX International Conference on High Energy Physics, Seoul, Korea, 4 - 11 Jul 2018, pp.268
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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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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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Geant-val: a web application for validation of detector simulations
/ Freyermuth, Luc (EISTI, Cergy) ; Konstantinov, Dmitri (CERN ; Serpukhov, IHEP) ; Latyshev, Grigorii (Serpukhov, IHEP) ; Razumov, Ivan (Serpukhov, IHEP ; CERN) ; Pokorski, Witold (CERN) ; Ribon, Alberto (CERN)
One of the key factors for the successful development of Monte-Carlo programs for physics simulations is to properly organize regression testing and validation. Geant4, the world-standard toolkit for HEP detector simulation, heavily relies on this activity. [...]
2019 - 6 p.
- Published in : EPJ Web Conf. 214 (2019) 05002
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.05002
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Simulation of neutron production in hadron-nucleus and nucleus-nucleus interactions in Geant4
/ Galoyan, Aida (Dubna, JINR) ; Ribon, Alberto (CERN) ; Uzhinsky, Vladimir (Dubna, JINR ; CERN)
Studying experimental data obtained at ITEP [1] on neutron production in interactions of protons with various nuclei in the energy range from 747 MeV up to 8.1 GeV, we have found that slow neutron spectra have scaling and asymptotic properties [2]. The spectra weakly depend on the collision energy at momenta of projectile protons larger than 5 - 6 GeV/c. [...]
arXiv:1811.03896.-
2019 - 7 p.
- Published in : EPJ Web Conf. 204 (2019) 03004
Fulltext: PDF;
In : 24th International Baldin Seminar on High Energy Physics Problems : Relativistic Nuclear Physics and Quantum Chromodynamics, Dubna, Russia, 17 - 22 Sep 2018, pp.03004
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