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 journalArticle

    13 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 languageEnglish
    Pages (from-to)199-207
    Number of pages9
    JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume833
    DOIs
    Publication statusPublished - 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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