Results 21 to 30 of about 3,943 (183)

Dosimetry calculations of 166Dy/166Ho –Chitosan in vivo generator using GEANT4 and MCNPX [PDF]

مجله علوم و فنون هسته‌ای, 2021
The Holmium-166 radionuclide is one of the most effective radionuclides used to treat bone marrow cancer and rheumatoid arthritis. Among the recommended radionuclides used in radiation synovectomy, 166Ho has got much attention due to suitable decay ...
N. Salek, S. Vosoughi, A. Bahrami Samani
doaj   +1 more source

Lighting up FLASH and beyond: TLD response across four orders of magnitude in proton dose rate. [PDF]

Med Phys
ABSTRACT Background Thermoluminescent dosimeters (TLDs) are widely used for proton therapy dosimetry and remote audits. Yet their response under pulsed delivery and the ultrahigh dose rates relevant to proton FLASH remains incompletely characterized.
Guan F, Tang J, Brookner A, Scott H, Vazquez I, Campelo S, Liu D, Mathew J, Bronk L, Li Y, Taylor P.   +10 more
europepmc   +2 more sources

Status of the Geant4 models for nuclear de-excitation [PDF]

EPJ Web of Conferences
The Geant4 hadronic physics sub-library includes an extended set of models for highand low-energy hadronic interactions. We report on recent developments in the Geant4 nuclear de-excitation module, which is used by many Geant4 models to simulate the de ...
Chalyi Nikita, Diederichs Severin, Ivantchenko Vladimir   +2 more
doaj   +1 more source

Geant4—a simulation toolkit [PDF]

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2003
Abstract G eant 4 is a toolkit for simulating the passage of particles through matter. It includes a complete range of functionality including tracking, geometry, physics models and hits. The physics processes offered cover a comprehensive range, including electromagnetic, hadronic and optical processes, a large set of long-lived particles, materials
S. Agostinelli, J. Allison, K. Amako, J. Apostolakis, H. Araujo, P. Arce, M. Asai, D. Axen, S. Banerjee, G. Barrand, F. Behner, L. Bellagamba, J. Boudreau, L. Broglia, A. Brunengo, H. Burkhardt, S. Chauvie, J. Chuma, R. Chytracek, G. Cooperman, G. Cosmo, P. Degtyarenko, A. dell'Acqua, G. Depaola, D. Dietrich, R. Enami, A. Feliciello, C. Ferguson, H. Fesefeldt, G. Folger, F. Foppiano, A. Forti, S. Garelli, S. Giani, R. Giannitrapani, D. Gibin, J. J. Gomez, I. Gonzalez, G. . Abril, G. Greeniaus, W. Greiner, V. Grichine, A. Grossheim, S. Guatelli, P. Gumplinger, R. Hamatsu, K. Hashimoto, H. Hasui, A. Heikkinen, A. Howard, V. Ivanchenko, A. Johnson, F. W. Jones, J. Kallenbach, N. Kanaya, M. Kawabata, Y. Kawabata, M. Kawaguti, S. Kelner, P. Kent, A. Kimura, T. Kodama, R. Kokoulin, M. Kossov, H. Kurashige, E. Lamanna, T. Lampen, V. Lara, V. Lefebure, F. Lei, M. Liendl, W. Lockman, LONGO, FRANCESCO, S. Magni, M. Maire, E. Medernach, K. Minamimoto, P. . de, Y. Morita, K. Murakami, M. Nagamatu, R. Nartallo, P. Nieminen, T. Nishimura, K. Ohtsubo, M. Okamura, S. O'Neale, Y. Oohata, K. Paech, J. Perl, A. Pfeiffer, M. G. Pia, F. Ranjard, A. Rybin, S. Sadilov, E. . Salvo, G. Santin, T. Sasaki, N. Savvas, Y. Sawada, S. Scherer, S. Sei, V. Sirotenko, D. Smith, N. Starkov, H. Stoecker, J. Sulkimo, M. Takahata, S. Tanaka, E. Tcherniaev, E. . Tehrani, M. Tropeano, P. Truscott, H. Uno, L. Urban, P. Urban, M. Verderi, A. Walkden, W. Wander, H. Weber, J. P. Wellisch, T. Wenaus, D. C. Williams, D. Wright, T. Yamada, H. Yoshida, D. Zschiesche   +126 more
openaire   +4 more sources

Experimental and computational characterisation of the secondary fragment field in clinical proton therapy beams using microdosimetry [PDF]

Precis Radiat Oncol
Precision Radiation Oncology, EarlyView.
Parisi G, Missiaggia M, Pierobon E, Cordoni F, Verroi E, Verona C, Schettino G, La Tessa C.   +7 more
europepmc   +2 more sources

Validating Geant4 and its FLUKA.CERN interface against calorimeters beam tests [PDF]

EPJ Web of Conferences
The Geant4 Collaboration is leading a long-term validation program to port calorimeter test-beam simulations and results into geant-val, the Geant4 validation and testing suite.
Pezzotti Lorenzo, Hugo Gabrielle, Konstantinov Dmitri, Ribon Alberto   +3 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

Estimated equivalent radiation dose at different altitudes in Earth’s atmosphere

Solar-Terrestrial Physics, 2022
The paper reports the results of simulation of cosmic ray proton transport through Earth’s atmosphere. The main objective of this work is to obtain characteristics of secondary particle fluxes at different altitudes and to convert them to equivalent dose
Maurchev E. A., Mikhalko E. A., Balabin Y. V., Germanenko A. V., Gvozdevsky B. B.   +4 more
doaj   +1 more source

Design and Optimisation of a Three Layers Thermal Neutron, Fast Neutron and Gamma-Ray Imaging System [PDF]

EPJ Web of Conferences, 2020
The design and configuration of a multi-layered imaging system with the ability to detect thermal neutrons, fast neutrons and gamma rays has been developed and its efficacy demonstrated.
Al Hamrashdi H., Monk S. D., Cheneler D.
doaj   +1 more source

Cálculo de Coeficientes de Fluência de Nêutrons para Equivalente de Dose Individual Utilizando o Geant4

Brazilian Journal of Radiation Sciences, 2015
Fluence to dose equivalent conversion coefficients provide the basis for the calculation of area and personal monitors.  Recently, the ICRP has started a revision of these coefficients, including new Monte Carlo codes for benchmarking.
Rosane Moreira Ribeiro, Denison de Souza Santos, Pedro Pacheco de Queiróz Filho, Claudia L. P. Mauricio, Livia Kelli da Silva, Paula Rocha Pessanha   +5 more
doaj   +1 more source