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A newly developed code, implemented as a part of the \MBNExplorer package \cite{MBN_ExplorerPaper,MBN_ExplorerSite} to simulate trajectories of an ultra-relativistic projectile in a crystalline medium, is presented. The motion of a…

We present the development of a full simulation model for crystal-based beam extraction utilizing the BDSim toolkit in conjunction with the Geant4 G4ChannelingFastSimModel and G4BaierKatkov frameworks. A novel accelerator component - a bent…

Accelerator Physics · Physics 2024-12-19 A. Sytov , G. Kube , L. Bandiera , V. Guidi , A. Mazzolari , G. Paternò , K. Wittenburg , S. Strokov

The research investigates coherent interactions between sub-GeV electrons and oriented scintillator crystals, leading to enhanced electromagnetic (EM) radiation. Experiments at Mainz Mikrotron (MAMI) involved PWO, BGO, and CsI crystals…

Geant4 simulations play a crucial role in the analysis and interpretation of experiments providing low energy precision tests of the Standard Model. This paper focuses on the accuracy of the description of the electron processes in the…

Instrumentation and Detectors · Physics 2013-08-23 G. Soti , F. Wauters , M. Breitenfeldt , P. Finlay , I. S. Kraev , A. Knecht , T. Porobic , D. Zákoucký , N. Severijns

Particles passing through a crystal under planar channeling experience transverse oscillations in their motion. As channeled particles approach the atomic planes of a crystal, they are likely to be dechanneled. This effect was used in…

Accelerator Physics · Physics 2016-03-23 A. I. Sytov , V. Guidi , V. V. Tikhomirov , E. Bagli , L. Bandiera , G. Germogli , A. Mazzolari

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

We present a GPU-accelerated method for muon transport based on histogram sampling that delivers orders of magnitude faster performance than CPU-based Geant4 simulation. Our method employs precomputed histograms of momentum loss and…

Computational Physics · Physics 2025-12-12 Luis Felipe P. Cattelan , Shah Rukh Qasim , Patrick H. Owen , Nicola Serra

Field emitted electrons can seriously affect the operation of high-field, high-duty factor electron accelerators. Accelerated field emission can result in high average power beams which can radiation damage beamline components. In addition,…

Accelerator Physics · Physics 2022-12-16 David H. Dowell , Munther Hindi , S. B. van der Geer , M. J. de Loos

The method of relativistic molecular dynamics is applied for accurate computational modelling and numerical analysis of the channelling phenomena for 855 MeV electrons in bent oriented silicon (111) crystal. Special attention is devoted to…

Geant4 low energy extensions have been used to simulate the X-ray spectra of industrial X-ray tubes with filters for removing the uncertain low energy part of the spectrum in a controlled way. The results are compared with precisely…

Instrumentation and Detectors · Physics 2015-06-05 M. Guthoff , O. Brovchenko , W. de Boer , A. Dierlamm , T. Müller , A. Ritter , M. Schmanau , H. -J. Simonis

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

The Monte Carlo program CATCH (Capture And Transport of CHarged particles in a crystal) for the simulation of planar channelling in bent crystals is presented. The program tracks a charged particle through the distorted-crystal lattice with…

High Energy Physics - Experiment · Physics 2007-05-23 Valery M. Biryukov

G4CMP simulates phonon and charge transport in cryogenic semiconductor crystals using the Geant4 toolkit. The transport code is capable of simulating the propagation of acoustic phonons as well as electron and hole charge carriers.…

Adequate description of electro and gamma nuclear physics is of utmost importance in studies of electron beam-dumps and intense electron beam accelerators. I also is mandatory to describe neutron backgrounds and activation in linear…

Nuclear Theory · Physics 2014-11-18 J. P. Wellisch , M. Kossov , P. Degtyarenko

Simulations of particle showers in calorimeters are computationally time-consuming, as they have to reproduce both energy depositions and their considerable fluctuations. A new approach to ultra-fast simulations are generative models where…

Instrumentation and Detectors · Physics 2020-02-05 Martin Erdmann , Jonas Glombitza , Thorben Quast

Crystal lattice can trap and channel particle beams along major crystallographic directions. In a bent crystal, the channelled particles follow the bend. This makes a basis for an elegant technique of beam steering by means of bent…

Accelerator Physics · Physics 2014-11-18 V. M. Biryukov

Methodology is developed that incorporates the radiation reaction force into the relativistic molecular dynamics framework implemented in the MBN Explorer software package. The force leads to a gradual decrease in the projectile's energy E…

Accelerator Physics · Physics 2023-01-04 Gennady B. Sushko , Andrei V. Korol , Andrey V. Solov'yov

A version of Geant4 has been developed to treat high-energy proton radiography. This article presents the results of calculations simulating the effects of nuclear elastic scattering for various test step wedges. Comparisons with…

Instrumentation and Detectors · Physics 2014-09-19 Xu Haibo , Zheng Na

Plastic scintillators are widely used as particle detectors in many fields, mainly, medicine, particle physics and astrophysics. Traditionally, they are coupled to a photo-multplier (PMT) but now silicon photo-multipliers (SiPM) are…

Instrumentation and Methods for Astrophysics · Physics 2018-09-28 G. Ros , G. Sáez-Cano , G. A. Medina-Tanco , A. D. Supanitsky

Accurate simulation of detector responses to hadrons is paramount for all physics programs at the Large Hadron Collider (LHC). Central to this simulation is the modeling of hadronic interactions. Unfortunately, the absence of…

High Energy Physics - Phenomenology · Physics 2023-10-12 Tuan Minh Pham , Xiangyang Ju