نتایج جستجو برای: egsnrc
تعداد نتایج: 222 فیلتر نتایج به سال:
A prototype for positron emission mammography is under development within a collaboration of the Italian Universities of Pisa, Ferrara, Bologna and Roma. The device is composed of two stationary detection heads, each with an active area of 6 cm × 6 cm, made of 30×30 YAP:Ce finger crystals of 2 mm × 2 mm × 30 mm. The EGSnrc Monte Carlo code has been used to perform a complete simulation of this ...
Nowadays, Monte Carlo techniques are very common for the development of Nuclear Medicine systems. Simulations can be very helpful for the optimization of SPECT and PET cameras, and for investigating the importance of several physical effects involved in image formation. In this paper, a simulation study for evaluating various aspects inuencing image formation in detectors for Nuclear Medicine i...
Penelitian ini bertujuan untuk menganalisis performa dua material perisai, Timbal dan Besi, dalam mengatenuasi partikel foton berenergi 2 MeV dengan simulasi Monte Carlo (MC). Kode MC EGSnrc digunakan sebagai perangkat lunak yang mensimulasikan interaksi sumber perisai. Sumber diletakkan pada jarak 10 cm, 50 100 cm dari Ketebalan perisai juga divariasikan nilai 5 15 cm. Scoring plane didefinisi...
Purpose: To model the ELEKTA COMPACT accelerator head by using EGSnrc/BEAMnrc/DOSXYZnrc and to validatethe simulation according depth-dose lateral profiles of different radiation fields measured water phantom. Methods: IBA Blue Water Phantom2 CC13 Ionization Chamber were used measure curves at 10 cm × field profile depth underwater. In BEAMnrc, main components initial electron beam are establis...
This paper summarizes the progress on the construction of a graphite calorimeter for the measurement of absorbed dose to water Dw in medium-energy filtered x-ray qualities, as part of the EMRPfunded project “Metrology for radiotherapy using complex radiation fields” (MetrExtRT, http://radiotherapyemrp.eu/). The design and the construction of a new primary standard for absorbed dose to water (Dw...
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