Microdosimetry of range-modulated beams of heavy ions. I. Determination of the yield of projectile fragments from microdosimetric spectra for neon-10 beams

M. Zaider; J. F. Dicello; D. J. Brenner

doi:10.2307/3575517

Microdosimetry of range-modulated beams of heavy ions. I. Determination of the yield of projectile fragments from microdosimetric spectra for neon-10 beams

M. Zaider, J. F. Dicello, D. J. Brenner

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2 Scopus citations

Abstract

A method for the calculation of projectile fragmentation spectra from microdosimetric distributions for heavy ions is proposed. The fundamental quantity determined in microdosimetric measurements is the distribution of energy deposited in a specified volume. It is known that, for high-energy heavy-ion beams, the nuclear interactions are dominated by projectile fragmentation in which the secondary particles are emitted with a velocity nearly equal to that of the primary particle. Therefore, it is possible to calculate the distribution of energy deposited for each particle type; the microdosimetric spectra can then be used to determine the relative contributions from each type of particle. Experimental microdosimetric data obtained for a range-modulated beam of 557 MeV/amu neon ions are presented and the data in the plateau are analyzed as an example of this technique.

Original language	English (US)
Pages (from-to)	511-520
Number of pages	10
Journal	Radiation research
Volume	87
Issue number	3
DOIs	https://doi.org/10.2307/3575517
State	Published - Jan 1 1981
Externally published	Yes

ASJC Scopus subject areas

Biophysics
Radiation
Radiology Nuclear Medicine and imaging

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abstract = "A method for the calculation of projectile fragmentation spectra from microdosimetric distributions for heavy ions is proposed. The fundamental quantity determined in microdosimetric measurements is the distribution of energy deposited in a specified volume. It is known that, for high-energy heavy-ion beams, the nuclear interactions are dominated by projectile fragmentation in which the secondary particles are emitted with a velocity nearly equal to that of the primary particle. Therefore, it is possible to calculate the distribution of energy deposited for each particle type; the microdosimetric spectra can then be used to determine the relative contributions from each type of particle. Experimental microdosimetric data obtained for a range-modulated beam of 557 MeV/amu neon ions are presented and the data in the plateau are analyzed as an example of this technique.",

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AB - A method for the calculation of projectile fragmentation spectra from microdosimetric distributions for heavy ions is proposed. The fundamental quantity determined in microdosimetric measurements is the distribution of energy deposited in a specified volume. It is known that, for high-energy heavy-ion beams, the nuclear interactions are dominated by projectile fragmentation in which the secondary particles are emitted with a velocity nearly equal to that of the primary particle. Therefore, it is possible to calculate the distribution of energy deposited for each particle type; the microdosimetric spectra can then be used to determine the relative contributions from each type of particle. Experimental microdosimetric data obtained for a range-modulated beam of 557 MeV/amu neon ions are presented and the data in the plateau are analyzed as an example of this technique.

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Microdosimetry of range-modulated beams of heavy ions. I. Determination of the yield of projectile fragments from microdosimetric spectra for neon-10 beams

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