지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.12
- 수록면
- 676 - 681 (6page)
- DOI
- 10.4283/JMAG.2017.22.4.676
이용수
초록· 키워드
오류제보하기
When the high-energy electromagnetic radiation of the medical linear accelerator is irradiated in high capacity, there is a nuclide transformation due to the radio-activation. Especially for the magnet core of the bending magnet, the magnetic field strength is changed due to the nuclide transformation, and this change in the magnetic field strength is shown as the change in flux of the electromagnetic radiation. Therefore, the effect of radio-activation on the change in flux of the electromagnetic radiation according to the electromagnetic radiation dose is to be evaluated. Subjected to 7 medical linear accelerators planned for disposal, the total dosage, nuclide analysis using the spectrometer of the magnet core, flatness using the water phantom & ion chamber, and the change amount of symmetry were evaluated. As a result, the relationship of change rate in flux according to the dosage is shown in 4 % error per 1,000 Gy. As a result of applying the 1 % threshold limit by the American Association of Physicists in Medicine, TG-142 Report, the tolerated dose is 250Gy. Therefore, on the use of medical linear accelerator in the future, it is recommended to perform the flux evaluation according to the magnet core radio-activation for each 250Gy along with the existing periodical quality control.
목차
1. Introduction
2. Materials and Methods
3. Result
4. Discussion
5. Conclusion
References
참고문헌 (21)
참고문헌 신청
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[학술지(정기간행물)] - B. A. Jereczek-Fossa / 2009 / / Radiotherapy and Oncology 93 : 14 ~
[학술지(정기간행물)] - R. Mohan / 1985 / / Med. Phys 12 : 592 ~
[학술지(정기간행물)] - J. Wulff / 2008 / / Med. Phys 35 : 1328 ~
[학술지(정기간행물)] - H. W. Fischer / 2006 / / Phys. Med. Biol 51 : N461 ~ N466
[학술지(정기간행물)] - B. A. Jereczek-Fossa / 2009 / / Radiotherapy and Oncology 93 : 14 ~
[학술지(정기간행물)] - R. Mohan / 1985 / / Med. Phys 12 : 592 ~
[학술지(정기간행물)] - J. Wulff / 2008 / / Med. Phys 35 : 1328 ~
[학술지(정기간행물)] - H. W. Fischer / 2006 / / Phys. Med. Biol 51 : N461 ~ N466
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UCI(KEPA) : I410-ECN-0101-2018-428-001590604