AtlFast3: The Next Generation of Fast Simulation in ATLAS
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Fecha
2022-12
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Facultad/escuela
Idioma
en
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Springer Nature
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Licencia CC
Resumen
The ATLAS experiment at the Large Hadron Collider has a broad physics programme ranging from precision measurements to direct searches for new particles and new interactions, requiring ever larger and ever more accurate datasets of simulated Monte Carlo events. Detector simulation with Geant4 is accurate but requires significant CPU resources. Over the past decade, ATLAS has developed and utilized tools that replace the most CPU-intensive component of the simulation—the calorimeter shower simulation—with faster simulation methods. Here, AtlFast3, the next generation of high-accuracy fast simulation in ATLAS, is introduced. AtlFast3 combines parameterized approaches with machine-learning techniques and is deployed to meet current and future computing challenges, and simulation needs of the ATLAS experiment. With highly accurate performance and significantly improved modelling of substructure within jets, AtlFast3 can simulate large numbers of events for a wide range of physics processes. © 2022, Springer Nature Switzerland AG.
Notas
Indexación Scopus
Palabras clave
Partons, Higgs Bosons
Citación
Computing and Software for Big Science; Volume 6, Issue 1 December 2022 Article number 7
DOI
10.1007/s41781-021-00079-7