Exposure from residual radiation after synchrotron shutdown

Exposure from residual radiation after synchrotron shutdown

Personnel exposure from residual radiation present after an accelerator is shutdown for preventative or corrective maintenance is an important aspect that governs the manner in which a light ion facility can be used. This radiation is not only a safety issue for maintenance personnel but also can af...

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Bibliographic Details
Published in:Radiation measurements Vol. 44; no. 2; pp. 176 - 181
Main Authors: Moyers, M.F., Lesyna, D.A.
Format: Journal Article
Language:English
Published: Kidlington Elsevier Ltd 01-02-2009
Elsevier
Subjects:
Activation
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochronology
Isotope geochemistry. Geochronology
Proton
Residual
Synchrotron
Proton
Activation
Synchrotron
Residual
exhibits
irradiation
measurement
instruments
safety
protons
ions
maintenance
synchrotron radiation
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Summary:Personnel exposure from residual radiation present after an accelerator is shutdown for preventative or corrective maintenance is an important aspect that governs the manner in which a light ion facility can be used. This radiation is not only a safety issue for maintenance personnel but also can affect the patient throughput of the facility. Measurements were made with survey instruments around the synchrotron accelerator at the Loma Linda University Proton Treatment Facility and personnel dosimetry records of maintenance staff were reviewed. Results showed that the residual radiation in this facility design is very low, does not significantly impact maintenance staff safety, and has placed no restrictions on patient throughput.
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2009.01.009