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41st Annual Meeting of
the American Association of Physicists in Medicine
July 25-29, 1999 Nashville, Tennessee

  Meeting Home
Wednesday, July 28, 1999 Session Information

Scientific Session
Radiotherapy Measurements
Wednesday 1:30 PM - 3:20 PM Room: Pearl

Chair: John P Gibbons, Palmetto Richland Memorial Hospital

Chair: Jason W. Sohn, Washington University, Mallinckrodt

1:30 PM
WE-D1-1
Beam Quality Specification and Absorbed Dose Beam Quality Correction Factors kQ for High Energy Photons - J. Seuntjens*, C. Ross, K. Shortt
1:41 PM
WE-D1-2
Comparison of dose standards for linac photon beams at NRC Canada and LPRI France - K. Shortt*, C. Ross, J. Seuntjens, F. Delaunay, P. Gross, E. Leroy, A. Ostrowsky
1:52 PM
WE-D1-3
Gradient influence on Pfl of plane parallel electron chambers: Monte Carlo simulations and measurements. - J. Lehmann*, M. Lauterbach, U. Rosenow, C. Ma
2:03 PM
WE-D1-4
Dependence of Wedge Factors on Source-to-Wedge Distance - J. Gibbons*, D. Mihailidis, H. Alkhatib
2:14 PM
WE-D1-5
Experimental Determination of the Overall Perturbation Correction Factor for the NACP Chamber in Electron Beams at Depths Greater Than dmax - C. Reft*, F. Kuchnir
2:25 PM
WE-D1-6
A New Method to Measure the Lateral Scatter of Electron Beams - D. Wilson*
2:36 PM
WE-D1-7
Heterogeneity Effect of Small Fields for Intensity Modulation with 6MV Photons - J. Sohn*, R. Drzymala, E. Klein, D. Low, J. Purdy
2:47 PM
WE-D1-8
Evaluation of Wedge Angles in Half-blocked Fields - L. Leybovich*, G. Glasgow, A. Sethi, A. Simon-Mumper, N. Dogan
2:58 PM
WE-D1-9
Dose Reconstruction in Tomotherapy - J. Kapatoes*, G. Olivera, H. Keller, P. Reckwerdt, E. Fitchard, K. Ruchala, T. Mackie
3:09 PM
WE-D1-10
A Method for Routine Quality Assurance for Dynamic Multi-leaf Collimators - J. Ting*, E. Butker, E. Elder, M. Mitchum, S. Ghavidel, L. Davis