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Various Li compounds are commonly used at neutron facilities as neutron absorbers. These compounds provide one of the highest ratios of neutron attenuation to $\gamma$-ray production. Unfortunately, the usage of these compounds can also…

Instrumentation and Detectors · Physics 2016-11-03 Valentina Santoro , Douglas D. Di Julio , Phillip M. Bentley

The gas transport through non-volatile random porous media is investigated numerically. We extend our previous research of the transport of molecules inside the uppermost layer of a cometary surface (Skorov and Rickmann, 1995; Skorov et al.…

Earth and Planetary Astrophysics · Physics 2015-05-27 Yu. Skorov , R. van Lieshout , J. Blum , H. U. Keller

We present the package for the simulation of DM (Dark Matter) particles in fixed target experiments. The most convenient way of this simulation (and the only possible way in the case of beam-dump) is to simulate it in the framework of the…

High Energy Physics - Phenomenology · Physics 2021-08-18 M. Bondi , A. Celentano , R. R. Dusaev , D. V. Kirpichnikov , M. M. Kirsanov , N. V. Krasnikov , L. Marsicano , D. Shchukin

An investigation is in progress to evaluate extensively and quantitatively the possible benefits and drawbacks of new programming paradigms in a Monte Carlo simulation environment, namely in the domain of physics modeling. The prototype…

CLLBC(Ce) and TLYC(Ce) are novel scintillation materials capable of measuring mixed gamma ray and neutron radiation fields that have gained significant interest in the areas of space and nuclear safety/security science. To date Geant4, the…

Instrumentation and Detectors · Physics 2023-03-20 Jeremy M. C. Brown , Lachlan Chartier , David Boardman , John Barnes , Alison Flynn

Monte Carlo simulations are increasingly used in scintigraphic imaging to model imaging systems and to develop and assess tomographic reconstruction algorithms and correction methods for improved image quantitation. GATE (GEANT 4…

Instrumentation and Detectors · Physics 2009-11-10 D. Lazaro , I. Buvat , G. Loudos , D. Strul , G. Santin , N. Giokaris , D. Donnarieix , L. Maigne , V. Spanoudaki , S. Styliaris , S. Staelens , V. Breton

This paper presents the simulation of the GLAST high energy gamma-ray telescope. The simulation package, written in C++, is based on the Geant4 toolkit, and it is integrated into a general framework used to process events. A detailed…

From the beginning the Geant4 Visualisation System was designed to support several simultaneous graphics systems written to common abstract interfaces. Today it has matured into a powerful diagnostic and presentational tool. It comes with a…

Graphics · Computer Science 2013-01-01 John Allison , Laurent Garnier , Akinori Kimura , Joseph Perl

Modern precision experiments trapping low-energy particles require detailed simulations of particle trajectories and spin precession to determine systematic measurement limitations and apparatus deficiencies. We developed PENTrack, a tool…

Instrumentation and Detectors · Physics 2017-05-24 Wolfgang Schreyer , Tatsuya Kikawa , Martin J. Losekamm , Stephan Paul , Rüdiger Picker

A simulation workflow has been developed to study dark current (DC) radiation effects using ACE3P and Geant4. The integrated workflow interfaces particle data transfer and geometry between the electromagnetic (EM) cavity simulation code…

Ultracold atoms confined by engineered magnetic or optical potentials are ideal systems for studying phenomena otherwise difficult to realize or probe in the solid state because their atomic interaction strength, number of species, density,…

Quantum Gases · Physics 2016-01-20 Chih-Chun Chien , Sebastiano Peotta , Massimiliano Di Ventra

The engineering design of a particle detector is usually performed in a Computer Aided Design (CAD) program, and simulation of the detector's performance can be done with a Geant4-based program. However, transferring the detector design…

Instrumentation and Detectors · Physics 2019-08-14 Carl Vuosalo , Duncan Carlsmith , Sridhara Dasu , Kimberly Palladino

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

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…

The plain text geometry description syntax in Geant4 has been extended to incorporate optical properties for bulk materials and surface interfaces. This extension enables users to configure and execute comprehensive optical simulations…

High Energy Physics - Experiment · Physics 2026-05-07 Ariestotle Raj Maharjan , Jianchen Li , Jing Liu

The performance of a large-scale water Cherenkov neutrino telescope relies heavily on the transparency of the surrounding water, quantified by its level of light absorption and scattering. A pathfinder experiment was carried out to measure…

Instrumentation and Methods for Astrophysics · Physics 2023-06-28 Fan Hu , Zhenyu Wei , Wei Tian , Ziping Ye , Fuyudi Zhang , Zhengyang Sun , Wei Zhi , Qichao Chang , Qiao Xue , Zhuo Li , Donglian Xu

A proton pencil beam is associated with a surrounding low-dose envelope, originating from nuclear interactions. It is important for treatment planning systems to accurately model this envelope when performing dose calculations for pencil…

Medical Physics · Physics 2015-11-30 David C. Hall , Anastasia Makarova , Harald Paganetti , Bernard Gottschalk

Simourg is a software based on the Geant4 toolkit and provides the Monte Carlo simulation of nuclear spectrometric setups with simple geometries for such applications as nuclear decay research, radiation safety, and nuclear medicine. With…

Instrumentation and Detectors · Physics 2026-01-07 D. S. Kovalenko , V. V. Kobychev , L. M. Kobycheva , O. V. Zueva

Kwant is a Python package for numerical quantum transport calculations. It aims to be an user-friendly, universal, and high-performance toolbox for the simulation of physical systems of any dimensionality and geometry that can be described…

Mesoscale and Nanoscale Physics · Physics 2015-10-12 Christoph W. Groth , Michael Wimmer , Anton R. Akhmerov , Xavier Waintal

A Geant4-based simulation framework for rare event searching experiments with germanium detectors named SAGE is presented with details. It is designed for simulating, assessing background distribution, and investigating the response of the…

Instrumentation and Detectors · Physics 2021-10-27 Ze She , Hao Ma , Weihe Zeng , Wenhan Dai , Xinping Geng , Ofoq Normahmedov , Jingzhe Yang , Zhi Zeng , Qian Yue , Jianping Cheng , Junli Li