The new NMi orthovolt x-rays absorbed dose to water primary standard based on water calorimetry

Physics in Medicine and Biology

Volumn 53, Issue 13, 2008, Pages 3531-3542

  De Prez, L A ^a   De Pooter, J A ^a  

^a Nederland Meetinstituut   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

CALIBRATION; CALORIMETERS; STANDARDS;

ABSORBED DOSE; CORRECTION FACTORS; HEAT TRANSPORT MODELING; MONTE CARLO CALCULATIONS; PRIMARY STANDARDS; WATER CALIBRATION; WATER CALORIMETRY;

CALORIMETRY;

WATER;

ARTICLE; CALIBRATION; CALORIMETRY; DOSIMETRY; IONIZATION; MONTE CARLO METHOD; PRIORITY JOURNAL; X RAY;

ABSORPTION; AIR; CALIBRATION; CALORIMETRY; RADIATION DOSAGE; RADIOMETRY; REPRODUCIBILITY OF RESULTS; SENSITIVITY AND SPECIFICITY; WATER; X-RAYS;

EID: 47649089763     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/53/13/009     Document Type: Article

References (20)

1. AAPM 2001 AAPM protocol for 40-300 kV x-ray beam dosimetry in radiotherapy and radiobiology Med. Phys. 10 868-93
2. Allisy-Roberts P J, Burns D T and Kessler C 2004 Measuring conditions used for the calibration of ionization chambers at the BIPM Rapport BIPM 04/17 (Sèvres: BIPM)
3. Domen S R 1994 A sealed water calorimeter for measuring absorbed dose J. Res. Natl Inst. Stand. Tech. 99 121-41
4. Domen J K and Domen S R 2001 Studies of excess heat and convection in a water calorimeter J. Res. Natl Inst. Stand. Tech. 106 843-56
5. 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
6. IAEA 2000 Absorbed Dose Determination in External Beam Radiotherapy IAEA Technical Report Series 398 (Vienna: IAEA)
7. IPEMB 1996 The IPEMB code of practice for the determination of absorbed dose for x-rays below 300 kV generating potentials (0.035 mm Al-4 mm Cu HVL; 10-300 kV generating potential) Phys. Med. Biol. 41 2605-25
8. Klassen N V and Ross C K 1997 Water calorimetry: the heat defect J. Res. Natl Inst. Stand. Tech. 102 63-74
9. 60Co radiation Metrologia 43 259-72
10. Krauss A and Kramer H-M 2003 The heat defect in the PTB water calorimeter: a discussion on uncertainty Proc. of a Workshop on Recent Advances in Absorbed Dose Standards (Melbourne: ARPANSA)
11. 60Co γ-rays Phys. Med. Biol. 49 4073-86
12. NCS 1997 Dosimetry of low and medium energy x-rays: a code of practice for use in radiotherapy and radiobiology NCS Report 10 (Delft: NCS)
13. Pieksma M W H, De Prez L A and Aalbers A H L 2002 The NMi water calorimeter AAPM Symp. Proc. 13 (Madison, WI: Medical Physics Publishing) pp 108-19
14. Ross C K and Klassen N V 1995 Water calorimetry for radiation dosimetry Phys. Med. Biol. 41 1-29
15. Rosser K E 1992 Measurement of absorbed dose to water for medium energy x-rays NPL Report RSA(EXT) 33 (Teddington: NPL)
16. Rosser K 1998 An alternative beam quality index for medium-energy x-ray dosimetry Phys. Med. Biol. 43 587-98
17. Salvat F, Fernández-Varea J and Sempau J 2006 A code system for Monte Carlo simulation of electron and photon transport Workshop proceedings/Training Course OECD/NEA Report 6222
18. Sapoff M, Siwek W R, Johnson H C, Slepian J and Weber S 1982 The exactness of fit of resistance-temperature data of thermistors with third-degree polynomials; temperature, its measurement and control in science and industry Temperature, Its Measurement and Control in Science and Industry Vol 5 (New York: American Institute of Physics) 875-87
19. Seuntjens J 1991 Comparative study of ion chamber dosimetry and water calorimetry in medium-energy x-ray beams PhD Thesis Ghent University, Ghent
20. Seuntjens J and Palmans H 1999 Correction factors and performance of a 4°C sealed water calorimeter Phys. Med. Biol. 44 627-46