Evaluation of bremsstrahlung spectra generated by a 4-MeV linear accelerator

Medical Physics

Volumn 23, Issue 5, 1996, Pages 651-654

  Krmar, M ^a   Slivka, J ^a   Bikit, I ^a   Veskovic M ^a   Conkic Lj ^a  

^a UNIVERSITY OF NOVI SAD   (Serbia)

Author keywords

[No Author keywords available]

Indexed keywords

CALCULATED SPECTRUM; TRANSMISSION MEASUREMENTS;

MONTE CARLO METHODS;

COPPER;

ARTICLE; BREMS RADIATION; CALCULATION; ENERGY; LINEAR ACCELERATOR; PRIORITY JOURNAL; SPECTRUM; SYSTEM ANALYSIS; X RAY;

EID: 0030029731     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.597701     Document Type: Article

References (15)

1. J. R. Cuninngham and J. R. Schulz, "On the selection of stopping power and mass energy absorption coefficient ratios for high energy x-ray dosimetry." Med. Phys. 11, 618-623 (1984).
2. R. Mohan and C. Chui, "Differential pencil beam dose computation model for photons," Med. Phys. 13, 64-71 (1986).
3. P. H. Huang, K. R. Kase, and B. E. Björngard, "Spectral characterization of 4 MV bremsstrahlung by attenuation analysis," Med. Phys. 8, 368-374 (1981).
4. L. C. Baird, "X-ray spectra vs attenuation data: A theoretical analysis," Med. Phys. 8, 319-323 (1981).
5. P. H. Huang, K. R. Kase, and B. E. Björngard, "Simulation studies of 4-MV x-ray spectral reconstruction by numerical analysis of transmission data," Med. Phys. 9, 695-702 (1982).
6. A. Ahnesjo and P. Andreo, "Determination of effective bremsstrahlung spectra and electron contamination for photon dose calculations," Phys. Med. Biol. 34, 1451-1464 (1989).
7. H. W. Koch and J. W. Motz, "Bremsstrahlung cross-section formulas and related data," Rev. Mod. Phys. 31, 920-955 (1959).
8. B. A. Faddegon, C. K. Ross, and D. W. O. Rogers, "Angular distribution of bremstrahlung from 15-MeV electrons incident on thick targets of Be, Al and Pb," Med. Phys. 18, 727-739 (1991).
9. L. I. Schiff, "Energy-angle distribution of thin target bremsstrahlung," Phys. Rev. 83, 252-253 (1951).
10. M. Krmar, J. Slivka, I. Bikit, M. Vesković, Lj. Čonkic, M. Bistrović, and A. Rudić, "A new method for the measurement of bremsstrahlung spectra," Phys. Med. Biol. 38, 533-544 (1993).
11. S. D. Ahuja, P. G. Steward, T. S. Roy, and E. D. Siessinger, "Estimated spectrum of a 4-MV therapeutic beam," Med. Phys. 13, 368-373 (1986).
12. P. R. Bevington, "Least-squares fit to an arbitrary function," in Data Reduction and Error Analysis for the Physical Sciences (McGraw-Hill, New York, 1968), pp. 204-224.
13. B. Carnahan, H. A. Luter, and J. O. Wilkies, "Numerical integration," in Applied Numerical Methods (Wiley, New York, 1969), pp. 69-140.
14. J. H. Hubbell, "Photon mass attenuation and energy-absorption coefficients from 1 keV to 20 MeV," Int. J. Appl. Radiat. Isot. 33, 1269-1290 (1982).
15. M. J. Berger and J. H. Hubbell, "XCOM: Photon cross sections on a personal computer" National Bureau of Standards, NBSIR 87-3597, U.S. Department of Commerce, 1987.