Dosimetry by a cellulose triacetate film dosimeter in proton-beam irradiation.
نویسندگان
چکیده
منابع مشابه
Proton beam dosimetry by CR-39 track-etched detector
Background: High and intermediate energy protons are not able to form a track in a solid state nuclear track detector (SSNTD) directly. However, such tracks can be formed through secondary particles created during primary radiation nuclear reactions in a SSNTD. Materials and Methods: The protons with primary energies of 9.6 and 30 MeV available at the cyclotron accelerator with corresponding lo...
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Samples from Cellulose triacetate (CTA) sheets were irradiated with electron beam in the dose range 10–200 kGy. Non-isothermal studies were carried out using thermogravimetric analysis (TGA) to obtain the activation energy of thermal decomposition for CTA polymer. The CTA samples decompose in one main break down stage. The results indicate that the irradiation by electron beam in the dose range...
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It has been shown that radiochromic film is an ideal dosimeter for assessment and verification of delivered dose to irradiated blood products. Using a parallel opposing two-field technique on a medical linear accelerator, blood is irradiated to diminish the risk of transfusion-associated graft vs. host disease (TA-GVHD). The blood products are irradiated in a Perspex blood box to an applied dos...
متن کاملproton beam dosimetry by cr-39 track-etched detector
background: high and intermediate energy protons are not able to form a track in a solid state nuclear track detector (ssntd) directly. however, such tracks can be formed through secondary particles created during primary radiation nuclear reactions in a ssntd. materials and methods: the protons with primary energies of 9.6 and 30 mev available at the cyclotron accelerator with corresponding lo...
متن کاملRadiographic film dosimetry of proton beams for depth‐dose constancy check and beam profile measurement
Radiographic film dosimetry suffers from its energy dependence in proton dosimetry. This study sought to develop a method of measuring proton beams by the film and to evaluate film response to proton beams for the constancy check of depth dose (DD). It also evaluated the film for profile measurements. To achieve this goal, from DDs measured by film and ion chamber (IC), calibration factors (rat...
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ژورنال
عنوان ژورنال: RADIOISOTOPES
سال: 1988
ISSN: 1884-4111,0033-8303
DOI: 10.3769/radioisotopes.37.2_84