Literature DB >> 3587141

Replacement correction factors for electron measurements with a parallel-plate chamber.

H Casson, J P Kiley.   

Abstract

The AAPM Task Group dosimetry protocol is ambiguous regarding the replacement correction factors Prepl to be applied to electron measurements with parallel-plate chambers. By intercomparison with a cylindrical chamber whose Prepl values at dmax may be calculated from Task Group 21, the Prepl values for a PTW/Markus parallel-plate chamber have been determined in the range of mean incident energies of 5-11 MeV. The Prepl values for this chamber are found to differ significantly from unity, if one assumes that the cylindrical chamber values are valid.

Mesh：

Year:  1987        PMID： 3587141     DOI： 10.1118/1.596073

Source DB:  PubMed          Journal:  Med Phys        ISSN： 0094-2405            Impact factor:   4.071


  2 in total

1.  Extraction of depth-dependent perturbation factors for parallel-plate chambers in electron beams using a plastic scintillation detector.

Authors:  Frédéric Lacroix; Mathieu Guillot; Malcolm McEwen; Claudiu Cojocaru; Luc Gingras; A Sam Beddar; Luc Beaulieu
Journal:  Med Phys       Date:  2010-08       Impact factor: 4.071

2.  Differences in electron beam dosimetry using two commercial ionization chambers and the TG-21 protocol: another reason to switch to TG-51.

Authors:  David S Followill; William F Hanson; Geoffrey S Ibbott; Leon R Eglezopoulos; Chen-Shou Chui
Journal:  J Appl Clin Med Phys       Date:  2003       Impact factor: 2.102
  2 in total

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