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As simulation system, the variety of physics processes implemented is one of the most important functionalities. In that sense, Geant4 is one of the most powerful simulation toolkits. Its flexibility and expansibility brought by…

Computational Physics · Physics 2007-05-23 K. Murakami , K. Amako , H. Hirayama , Y. Namito , T. Sasaki , M. Asai , T. Koi

Ants3 is a toolkit that serves as a front-end for particle simulations in Geant4 and offers a custom simulator for optical photons. It features a fully interactive Graphical User Interface and an extensive scripting system based on…

Instrumentation and Detectors · Physics 2025-06-10 A. Morozov , L. M. S. Margato , G. Canezin , J. Gonzalez

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…

Computational Physics · Physics 2014-10-02 E. Bagli , M. Asai , D. Brandt , A. Dotti , V. Guidi , D. H. Wright

A Monte Carlo framework, MaGe, has been developed based on the Geant4 simulation toolkit. Its purpose is to simulate physics processes in low-energy and low-background radiation detectors, specifically for the Majorana and Gerda $^{76}$Ge…

An accurate description of interactions between thermal neutrons (below 4 eV) and materials is key to simulate the transport of neutrons in a wide range of applications such as criticality-safety, reactor physics, compact accelerator-driven…

Computational Physics · Physics 2022-01-26 Loic Thulliez , Cédric Jouanne , Eric Dumonteil

Experiments measuring fission observables encounter false coincidences arising from timing overlap of separate fission product decays. Simulations of both fission observables and particles in detector systems exist, but have not yet been…

Instrumentation and Detectors · Physics 2025-06-10 Liam Walker , Jack Shire , Jacob Jaffe , Payton Sprando , Jack Olinger , Alexander Chemey

A linear Breit-Wheeler module for the code Geant4 has been developed. This allows signal-to-noise ratio calculations of linear Breit-Wheeler detection experiments to be performed within a single framework. The interaction between two photon…

Plasma Physics · Physics 2023-05-31 R. A. Watt , S. J. Rose , B. Kettle , S. P. D. Mangles

A recent experiment showed that a Cherenkov radiation spectrum from thin radiators possessing frequency dispersion could transform into quasi-monochromatic spectral lines. Simulations based on the standard Geant4 toolkit could not correctly…

Accelerator Physics · Physics 2025-02-21 B. Đurnić , A. Potylitsyn , A. Bogdanov , S. Gogolev

In this paper we simulate the emission by charged particles in complex structures with help of Geant4. We take into account Cherenkov radiation, transition radiation, bremsstrahlung, pair production and other accompanying processes. As an…

Accelerator Physics · Physics 2017-06-28 A. A. Savchenko , A. A. Tishchenko , S. B. Dabagov , A. Anastasi , G. Venanzoni , M. N. Strikhanov

We present a novel Python tool for the analysis of Geant4 simulations that enhances our understanding of coherent phenomena occurring during the interaction of charged particles with crystal planes. This tool compares the total energy of…

The Geant4 toolkit offers a rich variety of electromagnetic physics models; so far the evaluation of this Geant4 domain has been mostly focused on its physics functionality, while the features of its design and their impact on simulation…

Radiation detection is vital for space, medical imaging, homeland security, and environmental monitoring applications. In the past, the Monte Carlo radiation transport toolkit, Geant4, has been employed to enable the effective development…

Instrumentation and Detectors · Physics 2024-10-14 Lysander Miller , Airlie Chapman , Katie Auchettl , Jeremy M. C. Brown

De-excitation $\gamma$ cascades from neutron captures form a dominant background to MeV-scale signals. The Geant4 Monte Carlo simulation toolkit is widely used to model backgrounds in nuclear and particle physics experiments. While its…

Computational Physics · Physics 2025-05-12 Leo Weimer , Emma Ellingwood , Otis Fischer , Michela Lai , Shawn Westerdale

A set of physics models for nanodosimetry simulation is being re-engineered for use in Geant4-based simulations. This extension of Geant4 capabilities is part of a larger scale R&D project for multi-scale simulation involving adaptable,…

Computational Physics · Physics 2009-12-10 E. Gargioni , V. Grichine , M. G. Pia

We describe an extension to the Geant4 software package that allows it to be used as a general purpose X-ray tracing package. We demonstrate its use by building a model of the X-ray optics of the XMM-Newton, calculating its effective area,…

Data Analysis, Statistics and Probability · Physics 2009-02-02 Ernst-Jan Buis , Giuseppe Vacanti

The simulation of radioactive decays is a common task in Monte-Carlo systems such as Geant4. Usually, a system either uses an approach focusing on the simulations of every individual decay or an approach which simulates a large number of…

Backscattering is a sensitive probe of the accuracy of electron scattering algorithms implemented in Monte Carlo codes. The capability of the Geant4 toolkit to describe realistically the fraction of electrons backscattered from a target…

Galactic cosmic rays undergo complex nuclear interactions with nuclei within planetary bodies that have little to no atmosphere. Radiation transport simulations are a key tool used in understanding the neutron and gamma-ray albedo coming…

Instrumentation and Methods for Astrophysics · Physics 2019-01-11 K. E. Mesick , W. C. Feldman , D. D. S. Coupland , L. C. Stonehill

The ELIMED (MEDical and multidisciplinary application at ELI Beamlines) beam line is being developed at INFN-LNS with the aim of transporting and selecting in energy proton and ion beams accelerated by laser-matter interaction at ELI…

This paper reports the development of TOUCANS, a new Monte Carlo neutron transport code fully written using the Geant4 toolkit. It aims at modeling complex systems easily and rapidly, thanks to a simple key-value input file. While its main…

Accelerator Physics · Physics 2023-04-10 L. Thulliez , B. Mom , E. Dumonteil