Theoretical and experimental determination of phantom scatter factors for photon fields with different radial energy variation

Physics in Medicine and Biology

Volumn 41, Issue 12, 1996, Pages 2687-2694

  Sätherberg, Anders ^a   Karlsson, Magnus ^a   Karlsson, Mikael ^a  

^a UMEÅ UNIVERSITY   (Sweden)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; PHANTOM; PRIORITY JOURNAL; RADIOTHERAPY;

EID: 0029823670     PISSN: 00319155     EISSN: None     Source Type: Journal    
DOI: 10.1088/0031-9155/41/12/008     Document Type: Article

References (24)

1. Ahnesjö A and Trepp A 1991 Acquisition of the effective lateral energy fluence distribution for photon beam dose calculations by convolution models Phys. Med. Biol. 36 973-85
2. Andreo P 1991 Monte Carlo techniques in medical radiation physics Phys. Med. Biol. 36 861-920
3. Berger M J 1963 Monte Carlo calculation of the penetration and diffusion of fast charged particles Methods in Computational Physics vol 1, ed B Alder, S Fernbach and M Rotenberg (New York: Academic)
4. British Institute of Radiology 1983 Central axis depth dose data for use in radiotherapy Br. J. Radiol. suppl 17
5. Eklöf A, Ahnesjö A and Brahme A 1990 Photon beam energy deposition kernels for inverse radiotherapy planning Acta Oncol. 29 447-54
6. Halbleib J A, Kensek R P, Mehlhom T A, Valdez G D, Seltzer S M and Berger M J 1992 ITS Version 3.0: The integrated TIGER series of coupled electron/photon Monte Carlo transport codes Report SAND91-1634 (Albuquerque, NM: Sandia National Laboratories)
7. Holt J G, Laughlin J S and Morony J P 1970 The extension of the concept of tissue-air-ratios (TAR) to high x-ray beams Radiology 96 437-46
8. IAEA 1987 Absorbed dose determination in photon and electron beams. An international code of practice IAEA Technical Report no 277 (Vienna: IAEA)
9. Karlsson M, Karlsson M, Sjögren R and Svensson H 1996 Semi-conductor detectors in output factor measurements and a suitable reference dose depth Radiother. Oncol. submitted
10. Karlsson M, Nyström H and Svensson H 1993 Photon beam characteristics of the MM50 racetrack microtron and a new approach for beam quality determination Med. Phys. 20 143-9
11. Khan F M 1984 The Physics of Radiotherapy (Baltimore, MD: Williams and Wilkins) ch 10
12. Luxton G and Astrahan M A 1988 Output factor constituents of a high-energy photon beam Med. Phys. 15 88-91
13. Mackie T R and Scrimger J W 1982 Contamination of a 15-MV photon beam by electrons and scattered photons Radiology 144 403-9
14. Masterson M E, Chiu C S, Febo R, Hung J D, Fuks Z, Mohan R, Ling C C, Kutcher G J, Björk S and Enström J 1995 Beam characteristics of a new generation 50 MeV racetrack microtron Med. Phys. 22 781-92
15. Mohan R and Chui C 1987 Use of fast Fourier transforms in calculating dose distributions for irregulary shaped fields for three-dimensional treatment planning Med. Phys. 14 70-7
16. Mohan R, Chui C and Lidofsky L 1985 Energy and angular distributions of photons from medical linear accelerators Med. Phys. 12 592-7
17. Nyström H and Karlsson M 1994 Photon beam quality specifications by narrow-beam transmission measurements Phys. Med. Biol. 39 1231-45
18. Papanikolaou N, Mackie T R, Meger-Wells C, Gehring M and Reckwerdt P 1993 Investigation of the convolution method for polyenergetic spectra Med. Phys. 20 1327-36
19. Sätherberg A, Andreo P and Karlsson M 1996 Bremsstrahlung production at 50 MeV in different target materials and configurations Med. Phys. 23 495-503
20. Seltzer J M 1988 An overview of ETRAN Monte Carlo methods Monte Carlo Transport of Electrons and Photons ed T M Jenkins, W R Nelson and A Rindi (New York: Plenum)
21. Sjögren R and Karlsson M 1996 Electron contamination in clinical high energy photon beams Med. Phys. at press
22. Storchi P and van Gasteren J J M 1996 A table of phantom scatter factors of photon beams as a function of the quality index and field size Phys. Med. Biol. 41 563-71
23. Svensson H, Jonsson L, Larsson L-G, Brahme A, Lindberg B and Reistad D 1977 A 22 MeV microtron for radiation therapy Acta Radiol. 16 145-56
24. van Gasteren J J M, Heukelom S, van Kleffens H J, van der Laarse R, Venselaar J L M and Westermann C F 1991 The determination of phantom and collimator scatter components of the output of megavolatge photon beams: measurement of the collimator scatter part with a beam-coaxial narrow cylindrical phantom Radiother. Oncol. 20 250-7