Nanodosimetry-based quality factors for radiation protection in space.
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Nanodosimetry-based quality factors for radiation protection in space. / Schulte, Reinhard W; Wroe, Andrew J; Bashkirov, Vladimir A; Garty, Guy Y; Breskin, Amos; Chechik, Rachel; Shchemelinin, Sergei; Gargioni, Elisabetta; Grosswendt, Bernd; Rosenfeld, Anatoly B.
in: Z MED PHYS, Jahrgang 18, Nr. 4, 4, 2008, S. 286-296.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Nanodosimetry-based quality factors for radiation protection in space.
AU - Schulte, Reinhard W
AU - Wroe, Andrew J
AU - Bashkirov, Vladimir A
AU - Garty, Guy Y
AU - Breskin, Amos
AU - Chechik, Rachel
AU - Shchemelinin, Sergei
AU - Gargioni, Elisabetta
AU - Grosswendt, Bernd
AU - Rosenfeld, Anatoly B
PY - 2008
Y1 - 2008
N2 - Evaluation and monitoring of the cancer risk from space radiation exposure is a crucial requirement for the success of long-term space missions. One important task in the risk calculation is to properly weigh the various components of space radiation dose according to their assumed contribution to the cancer risk relative to the risk associated with radiation of low ionization density. Currently, quality factors of radiation both on the ground and in space are defined by national and international commissions based on existing radiobiological data and presumed knowledge of the ionization density distribution of the radiation field at a given point of interest. This approach makes the determination of the average quality factor ofa given radiation field a rather complex task. In this contribution, we investigate the possibility to define quality factors of space radiation exposure based on nanodosimetric data. The underlying formalism of the determination of quality factors on the basis of nanodosimetric data is described, and quality factors for protons and ions (helium and carbon) of different energies based on simulated nanodosimetric data are presented. The value and limitations of this approach are discussed.
AB - Evaluation and monitoring of the cancer risk from space radiation exposure is a crucial requirement for the success of long-term space missions. One important task in the risk calculation is to properly weigh the various components of space radiation dose according to their assumed contribution to the cancer risk relative to the risk associated with radiation of low ionization density. Currently, quality factors of radiation both on the ground and in space are defined by national and international commissions based on existing radiobiological data and presumed knowledge of the ionization density distribution of the radiation field at a given point of interest. This approach makes the determination of the average quality factor ofa given radiation field a rather complex task. In this contribution, we investigate the possibility to define quality factors of space radiation exposure based on nanodosimetric data. The underlying formalism of the determination of quality factors on the basis of nanodosimetric data is described, and quality factors for protons and ions (helium and carbon) of different energies based on simulated nanodosimetric data are presented. The value and limitations of this approach are discussed.
M3 - SCORING: Zeitschriftenaufsatz
VL - 18
SP - 286
EP - 296
JO - Z MED PHYS
JF - Z MED PHYS
SN - 0939-3889
IS - 4
M1 - 4
ER -
