Results 61 to 70 of about 16,734 (227)

Measurement of out of field doses in brain proton therapy with GATE simulations

Cumhuriyet Science Journal, 2021
Proton therapy as one of the radiotherapy applications, aims to treat the tumor by using the accelerated proton particle. High radiation dose distributions delivered to the tumor tissue, is characterized with Bragg curves, while the radiation in the ...
Melisa Sönmez, Sinan Kuday
doaj   +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

Simulation by Geant4 of hadrontherapy beam line

Cumhuriyet Science Journal, 2018
Hadrontherapy represents a pioneer technique, and only few centersworldwide can provide this advanced and specialized cancer treatment. Geant4(GEometry ANd Tracking 4) is a C++, free and open toolkit that used to simulatethe interaction of particles in ...
Fatima Zohra Chemınguı, Fatima Benrachı   +1 more
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

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

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, W. Shin, C. Villagrasa, Sara A. Zein, S. Incerti   +19 more
semanticscholar   +1 more source

Development of High-Efficiency Multisensor Detection System for Gamma Emission Tomography in Spent Nuclear Fuel Inspection [PDF]

Journal of Radiation Protection and Research
Background Gamma emission tomography (GET) is one of the most reliable methods for detection of partial-defects within spent nuclear fuel (SNF). In our previous study, we developed and proposed the scintillation crystal-based GET instrument named Yonsei ...
Hyung-Joo Choi, Hyun Joon Choi, Hyun Cheol Lee, Yong Hyun Chung, Chul Hee Min   +4 more
doaj   +1 more source

Extension of the Discrete Electron Transport Capabilities of the Geant4-DNA Toolkit to MeV Energies

Applied Sciences
The discrete physics models available in the Geant4-DNA Monte Carlo toolkit are a subject of continuous evolution and improvement in order to meet the needs of state-of-the-art radiobiological research for medical and space applications.
I. Kyriakou, H. N. Tran, L. Desorgher, V. Ivantchenko, S. Guatelli, G. Santin, Petteri Nieminen, S. Incerti, D. Emfietzoglou   +8 more
semanticscholar   +1 more source