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Water calorimetry in MR-linac: Direct measurement of absorbed dose and determination of chamber KQ mag.
Medical Physics ( IF 3.2 ) Pub Date : 2020-09-24 , DOI: 10.1002/mp.14468
Mark D'Souza 1 , Humza Nusrat 2 , Viktor Iakovenko 2 , Brian Keller 2 , Arjun Sahgal 2 , James Renaud 3, 4 , Arman Sarfehnia 1, 2, 5
Affiliation  

To use a portable 4°C cooled MR‐compatible water calorimeter to measure absorbed dose in a magnetic resonance‐guided radiation therapy (MRgRT) system. Furthermore, to use the calorimetric dose results and direct cross‐calibration to experimentally measure the combined beam quality and magnetic field correction factor (urn:x-wiley:00942405:media:mp14468:mp14468-math-0002) of a clinically used reference‐class ionization chamber placed under the same radiation field.

中文翻译:

MR-直线加速器中的水量热法:直接测量吸收剂量并确定反应室KQ mag。

要使用便携式4°C冷却MR兼容水量热计来测量磁共振引导放射治疗(MRgRT)系统中的吸收剂量。此外,要使用量热剂量结果和直接交叉校准来实验测量ur:x-wiley:00942405:media:mp14468:mp14468-math-0002放置在同一辐射场下的临床使用的参考级电离室的组合光束质量和磁场校正因子()。
更新日期:2020-09-24
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