کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8249756 | 1533375 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
In-field and out-of-file application in 12C ion therapy using fully 3D silicon microdosimeters
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
تشعشع
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: In-field and out-of-file application in 12C ion therapy using fully 3D silicon microdosimeters In-field and out-of-file application in 12C ion therapy using fully 3D silicon microdosimeters](/preview/png/8249756.png)
چکیده انگلیسی
This paper presents recent development of Silicon on Insulator (SOI) detectors for microdosimetry at the Centre for Medical Radiation Physics (CMRP) at the University of Wollongong. A new CMRP SOI microdosimeter design, the 3D mushroom microdosimeter is presented. Modification of SOI design and changes to the fabrication processes have led to improved definition of the microscopic sensitive volumes (SV), and thus to better modelling of the deposition of ionizing energy in a biological cell. The electrical and charge collection properties of the devices have been presented in previous works. In this study, the response of the microdosimeters in monoenergetic and spread out Bragg peak therapeutic 12C ion beam at Heavy Ion Medical Accelerator in Chiba (HIMAC, Japan) are presented. Derived relative biological effectiveness (RBE) in 12C ion radiation therapy matches the tissue equivalent proportional counter (TEPC) well, along with outstanding spatial resolution. The use of SOI technology in experimental microdosimetry offers simplicity (no gas system or HV supply), high spatial resolution, low cost, high count rates capabilities for beam characterisation and quality assurance (QA) in charged particle therapy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Radiation Measurements - Volume 115, August 2018, Pages 55-59
Journal: Radiation Measurements - Volume 115, August 2018, Pages 55-59
نویسندگان
Linh T. Tran, Lachlan Chartier, David Bolst, Jeremy Davis, Dale A. Prokopovich, Alex Pogossov, Susanna Guatelli, Mark I. Reinhard, Marco Petasecca, Michael L.F. Lerch, Naruhiro Matsufuji, Marco Povoli, Anand Summanwar, Angela Kok, Michael Jackson,