Perturbation corrections for flat and thimble-type cylindrical standard ionization chambers for 60Co gamma rays: Monte Carlo calculations

Physics in Medicine and Biology

Volumn 43, Issue 10, 1998, Pages 2721-2727

  Ferreira, I H ^a   Bridier, A ^a   De Almeida, C E ^b   Marre, D ^a   Chavaudra, J ^a  

^a INSTITUT GUSTAVE ROUSSY   (France)

^b STATE UNIVERSITY OF RIO DE JANEIRO   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

COBALT 60;

ARTICLE; CALCULATION; DOSIMETRY; GAMMA RADIATION; IONIZATION CHAMBER; IRRADIATION; PHANTOM; PRIORITY JOURNAL; RADIATION DOSE; SYSTEM ANALYSIS;

COBALT RADIOISOTOPES; GAMMA RAYS; MONTE CARLO METHOD; RADIATION, IONIZING; RADIOMETRY;

EID: 0031665956     PISSN: 00319155     EISSN: None     Source Type: Journal    
DOI: 10.1088/0031-9155/43/10/003     Document Type: Article

References (18)

1. Bielajew A F and Rogers D W O 1987 PRESTA - the parameter reduced electrons step size algorithm for electron Monte Carlo transport Nucl. Instrum. Methods B 18 165-81
2. 60Co gamma rays Phys. Med. Biol. 28 375-88
3. 60Co BIPM Report (Sèvres: BIPM)
4. 60Co gamma rays Metrologia 9 139-46
5. 60Co gamma rays Phys. Med. Biol. 34 1443-9
6. Duane S, Bielajew A F and Rogers DWO 1989 Use of ICRU-37/NBS collision stopping powers in the EGS4 system NRCC Report PIRS-0173 (Ottawa: NRC)
7. Ferreira I H, Bridier A, Beaudré A, Cell J C, Mobit P, Chavaudra J and de Almeida CE 1997 Determination of dose perturbations produced in detectors irradiated in photon and electron beams Med. Biol. Eng. Comput. 35 (suppl 2) 879
8. IAEA (International Atomic Energy Agency) 1987 Absorbed dose determination in photon and electron beams: an international code of practice IAEA Technical Report Series 211 (Vienna: IAEA)
9. ICRU (International Commission on Radiological Units and Measurements) 1984 Stopping powers for electrons and positrons ICRU Report 37 (Bethesda, MD: ICRU)
10. Ma C-M 1992 Monte Carlo simulation of dosimeter response using transputers PhD Thesis University of London (ICR-PHYS-1/92 Physics Department, Institute of Cancer Research, Sutton SM2 5PT, UK)
11. Ma C-M and Nahum A E 1993 Calculation of absorbed dose ratio using correlated Monte Carlo sampling Med. Phys. 20 1189-99
12. Mobit P N, Nahum A E and Mayles P 1997 An EGS4 Monte Carlo examination of general cavity theory Phys. Med. Biol. 42 1319-34
13. Nelson W R, Hirayama H and Rogers D W O 1985 The EGS4 code system SLAC Report 265 (Stanford, CA: SLAC)
14. Niatel M-T 1983 On the location of a flat ionization chamber for absorbed dose determination Phys. Med. Biol. 28 407-10
15. Niatel M-T, Perroche-Roux A-M and Boutillon M 1985 Two determinations of W for electrons in dry air Phys. Med. Biol. 30 67-75
16. Rogers D W O, Duane S, Bielajew A F and Nelson R 1989 Use of ICRU-37/NBS radiative stopping powers in the EGS4 system NRCC Report PIRS-0177 (Ottawa: NRCC)
17. 60Co therapy beam Dasimetry in Radiotherapy vol 1 (Vienna: IAEA) pp 303-12
18. Spencer L V and Attix F H 1955 A theory of cavity ionization Radiat. Res. 3 239-54