Results 71 to 80 of about 25,558 (262)

Status and Extension of the Geant4-DNA Dielectric Models for Application to Electron Transport

Frontiers of Physics, 2022
The development of accurate physics models that enable track structure simulations of electrons in liquid water medium over a wide energy range, from the eV to the MeV scale, is a subject of continuous efforts due to its importance (among other things ...
I. Kyriakou, D. Emfietzoglou, S. Incerti
semanticscholar   +1 more source

Synergistic Evaluation of Ionizing Radiation Shielding in Novel Lead-Free Alloys Using Geant4 MC toolkit

International Journal of Applied Sciences and Radiation Research
In this study, three lead-free alloys, CrSbSe3, HfSnS3, and ZrSnS3 were selected to investigate their photon shielding properties using Geant4 MC toolkit.
M. Kh, Hamad
semanticscholar   +1 more source

Dead layer estimation of an HPGe detector using MCNP6 and Geant4.

Applied Radiation and Isotopes, 2022
In this study, Monte Carlo simulations were used to calculate the full-energy peak efficiency of a p-type coaxial high-purity germanium (HPGe) detector.
Hyeonmin Lee, Sihyeong Sung, Seung Hun Shin, H. Kim   +3 more
semanticscholar   +1 more source

Range Different of Mono-Energetic 290 MeV/u Carbon Ion Across Geant4 Version with Variation of I-values

JPFT (Jurnal Pendidikan Fisika dan Teknologi)
The mean ionization potential (I-value) is a primary determinant of the position of the heavy ion Bragg peak. To minimize their impact on beam range errors and quantify their uncertainties, the currently used I-values in Geant4 material database are ...
M. Arif Efendi, Sitti Yani
doaj   +1 more source

Sensitive Volume Modeling in Calculation of Space Radiation-Induced SEU Cross Section [PDF]

فصلنامه علوم و فناوری فضایی, 2014
Shape and size of sensitive volume are the most important parameters to model electronic devices for calculation of the SEU rate from space radiations. So far different models have been proposed for estimation of the sensitive volume.
S. Boorboor, S. A. H. Feghhi, H. Jafari
doaj  

Investigating the Role of Bismuth Oxide and Gadolinium Oxide as an Enhancer of the Gamma Shielding Ability of Polymer Compounds Based on Unsaturated Resin Using the Monte Carlo Simulation Geant4 Tool [PDF]

Journal of Advanced Materials in Engineering
The presence of lead as the first radiation shielding with a series of good features such as high density and having some flexibility and a series of inappropriate features such as toxicity, low physical and chemical stability, and high weight, has long ...
M. Rahmani Vareki, Mahdi Eshghi, M.R. Alipoor   +2 more
doaj   +1 more source

Monte Carlo Simulation of γ-γ Correlation Functions

Atoms, 2020
γ - γ correlation functions are mathematical expressions that describe the angular distribution of cascade γ -rays emitted from an atomic nucleus.
Mohamed Omer, Mahmoud Bakr
doaj   +1 more source

Results of a Geant4 benchmarking study for bio‐medical applications, performed with the G4‐Med system

Medical Physics (Lancaster)
Geant4, a Monte Carlo Simulation Toolkit extensively used in bio‐medical physics, is in continuous evolution to include newest research findings to improve its accuracy and to respond to the evolving needs of a very diverse user community.
P. Arce, J. Archer, L. Arsini, Alexander Bagulya, D. Bolst, J. M. Brown, B. Caccia, Andrew Chacon, G. Cirrone, M. Cortés-Giraldo, D. Cutajar, G. Cuttone, P. Dondero, Andrea Dotti, B. Faddegon, S. Fattori, C. Fedon, S. Guatelli, Akihiro Haga, S. Incerti, V. Ivanchenko, D. Konstantinov, I. Kyriakou, A. Le, Zhuxin Li, Michel Maire, Alessandra Malaroda, C. Mancini-Terracciano, A. Mantero, C. Michelet, G. Milluzzo, Francesca Nicolanti, Mihaly Novak, C. Omachi, L. Pandola, J. Pensavalle, Á. Perales, Y. Perrot, G. Petringa, S. Pozzi, J. Quesada, J. Ramos-Mendez, Francesco Romano, A. Rosenfeld, M. Safavi-Naeini, D. Sakata, L. G. Sarmiento, T. Sasaki, Yoshi-hide Sato, Alberto Sciuto, Ioannis Sechopoulos, Edward C Simpson, R. Stanzani, Alessandra Tomal, Toshiyuki Toshito, H. N. Tran, C. White, D. Wright   +57 more
semanticscholar   +1 more source

A Geant4-DNA Evaluation of Radiation-Induced DNA Damage on a Human Fibroblast

Cancers, 2021
Simple Summary DNA damage caused by ionizing radiation in a human fibroblast cell evaluated by the Geant4-DNA Monte Carlo toolkit is presented. A validation study using a computational geometric human DNA model was then carried out, and the calculated ...
W. Shin, D. Sakata, Nathanael Lampe, O. Belov, N. Tran, I. Petrović, A. Ristic-Fira, M. Dordevic, M. Bernal, M. Bordage, Z. Francis, I. Kyriakou, Y. Perrot, Takashi Sasaki, C. Villagrasa, S. Guatelli, V. Breton, D. Emfietzoglou, S. Incerti   +18 more
semanticscholar   +1 more source

Review of chemical models and applications in Geant4-DNA: Report from the ESA BioRad III Project

Medical Physics (Lancaster)
A chemistry module has been implemented in Geant4‐DNA since Geant4 version 10.1 to simulate the radiolysis of water after irradiation. It has been used in a number of applications, including the calculation of G‐values and early DNA damage, allowing the ...
H. N. Tran, J. Archer, G. Baldacchino, J. M. Brown, F. Chappuis, G. Cirrone, L. Desorgher, Naoki Dominguez, S. Fattori, S. Guatelli, V. Ivantchenko, J. Méndez, Petteri Nieminen, Yann Perrot, D. Sakata, G. Santin, Wook-Geun Shin, C. Villagrasa, Sara A. Zein, S. Incerti   +19 more
semanticscholar   +1 more source