The Absorbed Dose and Dose Equivalent from Negatively and Positively Charged Pions in the Energy Range 10 to 2000 MeV

Alsmiller, R.G.; Armstrong, T. W.; Bishop, B.L.

doi:10.13182/nse71-a19971

Cited by 11 publications

(1 citation statement)

References 4 publications

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“…The el~ctron-photon cascade initiated by the photons from neutral-pion decay and by the electrons and positrons from muon decay are included in an approximate ~nner (Alsmiller, Armstrong and Bishop 1971). Photons from all nonelastic nucleon-nucleus and pion-nucleus collisions are assumed to deposit their energy at their point of origin.…”

Section: Methods Of Calculationmentioning

confidence: 99%

Calculation of the dose induced in tissue by negatively charged pion beams

Armstrong

Alsmiller

Chandler

1973

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Calculations have been carried out using the Monte Carlo radiation transport code HETC to determine the spatial distribution of the absorbed dose produced in tissue by monoenergetic negatively charged pion beams. The depth dependence of the absorbed dose has been computed for narrow (zero width) negative pion beams incident normally on one side of a slab of tissue 60 cm thick. Beam energies of 53, 8. ' and 108 MeV (corresponding to ranges in tissue of approximately 10, 20 and 30 cm) were used. For the beam having a range of 20 cm, the absorbed dose as a functicjn of the lateral distance from the beam axis has also been computed. The use of the results from monoenergetic beams to synthesize the incident energy distribution needed to produce desired depth-dose distributions is discussed and, as an example, the energy spectrum of the incident beam required to produce a uniform absorbed dose over the depth interval from 20 t o 30 cm is computed.

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Section: Methods Of Calculationmentioning

confidence: 99%