高能直线加速器混凝土仓的屏蔽一致性问题。

IF 0.7 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Journal of Medical Physics Pub Date : 2023-04-01 Epub Date: 2023-06-29 DOI:10.4103/jmp.jmp_46_23

Ramamoorthy Ravichandran, Bandana Barman, Tarani Mondal, Shrikant N Kale, Rajesh A Kinhikar, Ravi Kannan

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Shielding Conformity Issues in Concrete Bunker of a High-Energy Linear Accelerator.

A medical linear accelerator (TrueBeam©SVC Model, Varian) is installed, with grant-in-aid from the Government of Assam, in a concrete bunker at our hospital. An architectural plan with 2.4 m concrete barriers (ρ =2358 kg/m3, 2.358 g/cc) for two primary walls and roof for construction was approved.[1] When the radiation beams were energized, preliminary radiation survey revealed excess radiation levels than expected. There was a need to look into all aspects of concrete shielding, the pattern of radiation leaks, and understand the underlying reasons.

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来源期刊

Journal of Medical Physics RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-

CiteScore

1.10

自引率

11.10%

发文量

审稿时长

30 weeks

期刊介绍： JOURNAL OF MEDICAL PHYSICS is the official journal of Association of Medical Physicists of India (AMPI). The association has been bringing out a quarterly publication since 1976. Till the end of 1993, it was known as Medical Physics Bulletin, which then became Journal of Medical Physics. The main objective of the Journal is to serve as a vehicle of communication to highlight all aspects of the practice of medical radiation physics. The areas covered include all aspects of the application of radiation physics to biological sciences, radiotherapy, radiodiagnosis, nuclear medicine, dosimetry and radiation protection. Papers / manuscripts dealing with the aspects of physics related to cancer therapy / radiobiology also fall within the scope of the journal.