Title

Microdosimetric measurements of a clinical proton beam with micrometer-sized solid-state detector

RIS ID

116913

Publication Details

Anderson, S. E., Furutani, K. M., Tran, L. T., Chartier, L., Petasecca, M., Lerch, M., Prokopovich, D. A., Reinhard, M., Perevertaylo, V., Rosenfeld, A. B., Herman, M. G. & Beltran, C. (2017). Microdosimetric measurements of a clinical proton beam with micrometer-sized solid-state detector. Medical Physics, 44 (11), 6029-6037.

Abstract

Microdosimetry is a vital tool for assessing the microscopic patterns of energy deposition by radiation, which ultimately govern biological effect. Solid-state, silicon-on-insulator microdosimeters offer an approach for making microdosimetric measurements with high spatial resolution (on the order of tens of micrometers). These high-resolution, solid-state microdosimeters may therefore play a useful role in characterizing proton radiotherapy fields, particularly for making highly resolved measurements within the Bragg peak region. In this work, we obtain microdosimetric measurements with a solid-state microdosimeter (MicroPlus probe) in a clinical, spot-scanning proton beam of small spot size.

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Link to publisher version (DOI)

http://dx.doi.org/10.1002/mp.12583