Optically stimulated luminescence from Al2O3:C irradiated with 10-60 MeV protons

J. M. Edmund; C. E. Andersen; S. Greilich; G. O. Sawakuchi; E. G. Yukihara; M. Jain; W. Hajdas; S. Mattsson

doi:10.1016/j.nima.2007.05.086

Optically stimulated luminescence from Al₂O₃:C irradiated with 10-60 MeV protons

J. M. Edmund, C. E. Andersen, S. Greilich, G. O. Sawakuchi, E. G. Yukihara, M. Jain, W. Hajdas, S. Mattsson

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

21 Scopus citations

Abstract

We investigated the potential use of Al₂O₃:C for medical proton dosimetry. Detector crystals coupled to fiber-optic cables were irradiated in proton beams with energies from 10 to 60 MeV. The key finding is that the initial intensity of the optically stimulated luminescence (OSL) signal is energy independent for small detectors (<0.5 mm) and relatively small doses (<0.3 Gy). This feature is related to the supralinearity of the detectors dose-response to low linear energy transfer (LET) radiation. The results show that our system can be used in medical proton dosimetry without LET-dependent correction factors in the dose and energy interval investigated.

Original language	English (US)
Pages (from-to)	210-213
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	580
Issue number	1 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nima.2007.05.086
State	Published - Sep 21 2007
Externally published	Yes

Keywords

AlO
Optically stimulated luminescence
Proton dosimetry
Track structure theory

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

Access to Document

10.1016/j.nima.2007.05.086

Cite this

Edmund, J. M., Andersen, C. E., Greilich, S., Sawakuchi, G. O., Yukihara, E. G., Jain, M., Hajdas, W., & Mattsson, S. (2007). Optically stimulated luminescence from Al₂O₃:C irradiated with 10-60 MeV protons. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 580(1 SPEC. ISS.), 210-213. https://doi.org/10.1016/j.nima.2007.05.086

Optically stimulated luminescence from Al₂O₃:C irradiated with 10-60 MeV protons. / Edmund, J. M.; Andersen, C. E.; Greilich, S. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 580, No. 1 SPEC. ISS., 21.09.2007, p. 210-213.

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

Edmund, JM, Andersen, CE, Greilich, S, Sawakuchi, GO, Yukihara, EG, Jain, M, Hajdas, W & Mattsson, S 2007, 'Optically stimulated luminescence from Al₂O₃:C irradiated with 10-60 MeV protons', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 580, no. 1 SPEC. ISS., pp. 210-213. https://doi.org/10.1016/j.nima.2007.05.086

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title = "Optically stimulated luminescence from Al2O3:C irradiated with 10-60 MeV protons",

abstract = "We investigated the potential use of Al2O3:C for medical proton dosimetry. Detector crystals coupled to fiber-optic cables were irradiated in proton beams with energies from 10 to 60 MeV. The key finding is that the initial intensity of the optically stimulated luminescence (OSL) signal is energy independent for small detectors (<0.5 mm) and relatively small doses (<0.3 Gy). This feature is related to the supralinearity of the detectors dose-response to low linear energy transfer (LET) radiation. The results show that our system can be used in medical proton dosimetry without LET-dependent correction factors in the dose and energy interval investigated.",

keywords = "AlO, Optically stimulated luminescence, Proton dosimetry, Track structure theory",

author = "Edmund, {J. M.} and Andersen, {C. E.} and S. Greilich and Sawakuchi, {G. O.} and Yukihara, {E. G.} and M. Jain and W. Hajdas and S. Mattsson",

note = "Funding Information: This work has been supported by the Swedish Cancer Foundation. The crystals were kindly provided by Dr. M. S. Akselrod, Landauer Crystal Division, Stillwater, Oklahoma, USA.",

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AU - Edmund, J. M.

AU - Andersen, C. E.

AU - Greilich, S.

AU - Sawakuchi, G. O.

AU - Yukihara, E. G.

AU - Jain, M.

AU - Hajdas, W.

AU - Mattsson, S.

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N2 - We investigated the potential use of Al2O3:C for medical proton dosimetry. Detector crystals coupled to fiber-optic cables were irradiated in proton beams with energies from 10 to 60 MeV. The key finding is that the initial intensity of the optically stimulated luminescence (OSL) signal is energy independent for small detectors (<0.5 mm) and relatively small doses (<0.3 Gy). This feature is related to the supralinearity of the detectors dose-response to low linear energy transfer (LET) radiation. The results show that our system can be used in medical proton dosimetry without LET-dependent correction factors in the dose and energy interval investigated.

AB - We investigated the potential use of Al2O3:C for medical proton dosimetry. Detector crystals coupled to fiber-optic cables were irradiated in proton beams with energies from 10 to 60 MeV. The key finding is that the initial intensity of the optically stimulated luminescence (OSL) signal is energy independent for small detectors (<0.5 mm) and relatively small doses (<0.3 Gy). This feature is related to the supralinearity of the detectors dose-response to low linear energy transfer (LET) radiation. The results show that our system can be used in medical proton dosimetry without LET-dependent correction factors in the dose and energy interval investigated.

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KW - Optically stimulated luminescence

KW - Proton dosimetry

KW - Track structure theory

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