Tissue equivalence study of a novel diamond-based microdosimeter for galactic cosmic rays and solar particle events Journal Article


Authors: Davis, J. A.; Guatelli, S.; Petasecca, M.; Lerch, M. L. F.; Reinhard, M. I.; Zaider, M.; Ziegler, J.; Rosenfeld, A. B.
Article Title: Tissue equivalence study of a novel diamond-based microdosimeter for galactic cosmic rays and solar particle events
Abstract: Radiation detectors based on diamond are attractive for radiation protection applications in space and aviation due to their radiation hardness, large breakdown voltage, fast signal collection, and low noise, thus representing a valid alternative to silicon-based detector devices. In this paper, we study the tissue equivalence of diamond in proton and $\alpha $ particle radiation fields typical of galactic cosmic rays and solar particle events. We determine a method to convert microdosimetric response from diamond to water by means of Geant4 simulations. Results are presented showing that a simple geometrical scaling factor (∼ 0.32) of linear dimensions is adequate to convert experimentally obtained microdosimetric energy deposition spectra in diamond to equivalent microdosimetric energy deposition spectra in water. © 2013 IEEE.
Keywords: tissue; radiation protection; solar radiation; diamonds; particle radiation; microdosimetry; geant4; tissue equivalence; geometrical scaling; deposition; diamond; micro-dosimetry; space radiation protection; cosmic rays; galactic cosmic rays; protection application; solar particle events
Journal Title: IEEE Transactions on Nuclear Science
Volume: 61
Issue: 4
ISSN: 0018-9499
Publisher: IEEE  
Date Published: 2014-02-17
Start Page: 1544
End Page: 1551
Language: English
DOI: 10.1109/tns.2014.2298032
PROVIDER: scopus
DOI/URL:
Notes: Export Date: 1 October 2014 -- Source: Scopus
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  1. Marco Zaider
    171 Zaider