Secondary-electron-bremsstrahlung imaging for proton therapy

Mitsutaka Yamaguchi; Yuto Nagao; Koki Ando; Seiichi Yamamoto; Toshiyuki Toshito; Jun Kataoka; Naoki Kawachi

doi:10.1016/j.nima.2016.07.034

Secondary-electron-bremsstrahlung imaging for proton therapy

Mitsutaka Yamaguchi, Yuto Nagao, Koki Ando, Seiichi Yamamoto, Toshiyuki Toshito, Jun Kataoka, Naoki Kawachi

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

A feasibility study on an imaging technique of a therapeutic proton-beam trajectory using a gamma camera by measuring secondary electron bremsstrahlung (SEB) was performed by means of Monte Carlo simulations and a beam-irradiation experiment. From the simulation and experimental results, it was found that a significant amount of SEB yield exists between the beam-injection surface and the range position along the beam axis and the beam trajectory is clearly imaged by the SEB yield. It is concluded that the SEB imaging is a promising technique for monitoring of therapeutic proton-beam trajectories.

Original language	English
Pages (from-to)	199-207
Number of pages	9
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	833
DOIs	https://doi.org/10.1016/j.nima.2016.07.034
Publication status	Published - 2016 Oct 11

Keywords

Beam-trajectory imaging
Gamma camera
Monte Carlo simulation
Proton therapy
Secondary electron bremsstrahlung

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Secondary-electron-bremsstrahlung imaging for proton therapy. / Yamaguchi, Mitsutaka; Nagao, Yuto; Ando, Koki; Yamamoto, Seiichi; Toshito, Toshiyuki; Kataoka, Jun; Kawachi, Naoki.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 833, 11.10.2016, p. 199-207.

Research output: Contribution to journal › Article › peer-review

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abstract = "A feasibility study on an imaging technique of a therapeutic proton-beam trajectory using a gamma camera by measuring secondary electron bremsstrahlung (SEB) was performed by means of Monte Carlo simulations and a beam-irradiation experiment. From the simulation and experimental results, it was found that a significant amount of SEB yield exists between the beam-injection surface and the range position along the beam axis and the beam trajectory is clearly imaged by the SEB yield. It is concluded that the SEB imaging is a promising technique for monitoring of therapeutic proton-beam trajectories.",

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AU - Kawachi, Naoki

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