Diaphragm correction factors for free-air chamber standards for air kerma in x-rays

Physics in Medicine and Biology

Volumn 54, Issue 9, 2009, Pages 2737-2745

  Burns, D T ^a   Kessler, C ^a  

^a PAVILLON DE BRETEUIL   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AIR CHAMBERS; AIR KERMA; CORRECTION FACTORS; ENERGY STANDARDS; INTERNATIONAL COMPARISON; MONTE CARLO CODES; PENELOPE; PHOTON ENERGY; PHOTON TRANSMISSION; RADIATION QUALITY;

PHOTONS; STANDARDS;

DIAPHRAGMS;

AIR; ARTICLE; DIAPHRAGM; ELECTRON; ELECTRON TRANSPORT; ENERGY; ENERGY TRANSFER; FLUORESCENCE; LIGHT SCATTERING; MONTE CARLO METHOD; PRIORITY JOURNAL; RADIATION; X RAY; X RAY TUBE; ARTIFACT; INSTRUMENTATION; METHODOLOGY; PHOTON; RADIATION SCATTERING; RADIOGRAPHY; UNCERTAINTY;

AIR; ARTIFACTS; ELECTRONS; FLUORESCENCE; MONTE CARLO METHOD; PHOTONS; RADIOGRAPHY; SCATTERING, RADIATION; UNCERTAINTY; X-RAYS;

EID: 67649882003     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/54/9/009     Document Type: Article

References (15)

1. Allisy-Roberts P J, Burns D T and Kessler C 2007 Measuring conditions used for the calibration of ionization chambers at the BIPM Report BIPM-07/06 (Sèvres: Bureau International des Poids et Mesures)
2. Burns D T 1999 Consistent set of calculated values for electron-loss and photon-scatter corrections for parallel-plate free-air chambers Report CCRI(I)99-4 (Sèvres: Bureau International des Poids et Mesures)
3. Burns D T 2001 Free-air chamber correction factors for electron loss, photon scatter, fluorescence and bremsstrahlung Report CCRI(I)/01-36 (Sèvres: Bureau International des Poids et Mesures)
4. Burns D T 2003 New correction factors for the BIPM free-air chamber standards Report CCRI(I)/03-28 (Sèvres: Bureau International des Poids et Mesures)
5. Burns D T and Burmann L 2009 Free-air ionization chambers Metrologia 46 S9-23
6. Grimbergen T W M, van Dijk E and de Vries W 1998 Correction factors for the NMi free-air ionization chamber for medium-energy x-rays calculated with the Monte Carlo method Phys. Med. Biol. 43 3207-24
7. Kawrakow I and Rogers D W O 2006 The EGSnrc code system: Monte Carlo simulation of electron and photon transport Report PIRS-701 (Ottawa: National Research Council of Canada)
8. Kessler C 2009 PhD Thesis (to be submitted)
9. Kurosawa T and Takata N 2005 Correction factors for free-air ionization chambers for X-rays transmitted through a diaphragm edge and scattered from the surface of the diaphragm aperture Report CCRI(I)/05-27 (Sèvres: Bureau International des Poids et Mesures)
10. Laitano R F, Toni M P, Pani R and Pellegrini R 1990 Energy distributions and air kerma rates of ISO and BIPM reference filtered x-radiations ENEA Report (Casaccia, Italy: Istituto Nazionale di Metrologia delle Radiazioni Ionizzanti)
11. McEwan A C 1982 Corrections for scattered photons in free-air ionization chambers Phys. Med. Biol. 27 375-86
12. Nelson W R, Hirayama H and Rogers D W O 1985 The EGS4 code system Report SLAC 265 Stanford Linear Accelerator
13. Salvat F, Fernandez-Varea J M, Acosta E and Sempau J 2003 PENELOPE-a code system for Monte Carlo simulation of electron and photon transport Workshop Proc. (Issy-les-Moulineaux, France, 7-10 July 2003) (Paris: OECD)
14. Seelentag W W, Panzer W, Drexler G, Platz L and Santner F 1979 A catalogue of spectra for the calibration of dosemeters GSF Report 560 (Munich: Gesellschaft für Strahlen- und Umweltforschung mbH)
15. Simons H A B 1962 The calculation of gamma ray penetration of the walls of cylindrical and conical collimating holes Phys. Med. Biol. 6 561-76