Results 71 to 80 of about 54,226 (221)

Extending Geant4 Parallelism with External Libraries (MPI, TBB) and Its Use on HPC Resources

open access: yes, 2015
With Geant4 Version 10.0, released in December 2013, one of the most widely used Monte-Carlo codes has been ported to take full advantage of multi- and many-core CPUs thanks to the introduction of event-level parallelism via multithreading. In this paper
Asai, Makoto   +4 more
core   +3 more sources

A model for the interaction of high-energy particles in straight and bent crystals implemented in Geant4 [PDF]

open access: yes, 2014
A model for the simulation of orientational effects in straight and bent periodic atomic structures is presented. The continuum potential approximation has been adopted.The model allows the manipulation of particle trajectories by means of straight and ...
Asai, M.   +5 more
core   +2 more sources

Vitess 3.8: a modernized framework for Monte Carlo neutron tracing simulations

open access: yesJournal of Applied Crystallography, Volume 59, Issue 2, Page 678-686, April 2026.
VITESS 3.8 introduces modernized neutron‐source modeling with new artificial‐intelligence‐based and KDSource modules, plus expanded component support including a prism module and NCrystal‐integrated sample module. It also delivers major upgrades to existing modules and multiple new features, advancing the simulation framework.VITESS is a modular Monte ...
José Ignacio Robledo   +5 more
wiley   +1 more source

GEANT4 application for the simulation of the head of a siemens primus linac [PDF]

open access: yes, 2010
The Monte Carlo simulation of the head of a Siemens Primus Linac used at Virgen Macarena Hospital (Sevilla, Spain) has been performed using the code GEANT4 [1-2], version 9.2.
Cortés Giraldo, Miguel Antonio   +2 more
core   +1 more source

Model calculations for cosmogenic nuclides in meteorites and the lunar surface. 1. Long‐lived radionuclides

open access: yesMeteoritics &Planetary Science, Volume 61, Issue 4, Page 600-620, April 2026.
Abstract Production rates for the cosmogenic radionuclides 10Be, 14C, 26Al, 36Cl, 41Ca, 53Mn, and 60Fe in a large variety of meteorites, that is, ordinary chondrites (H, L, LL), carbonaceous chondrites, HED meteorites, ureilites, Martian meteorites, and iron meteorites and in the uppermost ~2 m of the lunar surface are modeled.
Ingo Leya
wiley   +1 more source

The Geant4 Bertini Cascade [PDF]

open access: yesNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2015
One of the medium energy hadron–nucleus interaction models in the Geant4 simulation toolkit is based partly on the Bertini intranuclear cascade model. Since its initial appearance in the toolkit, this model has been largely re-written in order to extend its physics capabilities and to reduce its memory footprint. Physics improvements include extensions
Wright, D.H., Kelsey, M.H.
openaire   +1 more source

Performance of Geant4 in simulating semiconductor particle detector response in the energy range below 1 MeV

open access: yes, 2013
Geant4 simulations play a crucial role in the analysis and interpretation of experiments providing low energy precision tests of the Standard Model.
Breitenfeldt, M.   +8 more
core   +1 more source

Determination of the cosmic-ray-induced neutron flux and ambient dose equivalent at flight altitude [PDF]

open access: yes, 2015
Journal of Physics: Conference Series, Volumen 630There is interest in modeling the atmosphere in the South Atlantic Magnetic Anomaly in order to obtain information about the cosmic-ray induced neutron spectrum and angular distribution as functions of ...
Carlson, Brett Vern   +5 more
core   +1 more source

Generalizability of deep learning–based dose conversion model in proton beam therapy

open access: yesJournal of Applied Clinical Medical Physics, Volume 27, Issue 3, March 2026.
Abstract Background In proton beam therapy (PBT), the analytical pencil beam (PB) algorithm involves dose uncertainties in inhomogeneous regions, making accurate Monte Carlo (MC) dose calculation desirable but time‐consuming. Deep learning, converting the dose calculated by the PB algorithm into an MC‐equivalent dose distribution, can resolve the trade‐
Ryohei Kato   +6 more
wiley   +1 more source

Experimental and computational characterisation of the secondary fragment field in clinical proton therapy beams using microdosimetry

open access: yes
Precision Radiation Oncology, EarlyView.
Gabriele Parisi   +7 more
wiley   +1 more source

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