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. 2014 Feb 26;41(3):031501. doi: 10.1118/1.4864244

TABLE VI.

Physical wedge factors for 6-MV x-rays. Sample data for a Varian Clinac 2100C accelerator.

15° 30°
Depth Side of equivalent square (cm) Depth Side of equivalent square (cm)
(cm) 5 10 15 20 30 (cm) 5 10 15 20 30
1.5 0.696 0.707 0.714 0.720 0.752 1.5 0.531 0.539 0.553 0.567 0.578
5.0 0.697 0.709 0.715 0.721 0.738 5.0 0.536 0.544 0.557 0.570 0.570
10.0 0.709 0.711 0.717 0.723 0.738 10.0 0.546 0.549 0.558 0.566 0.586
15.0 0.709 0.718 0.722 0.727 0.740 15.0 0.551 0.561 0.565 0.569 0.572
20.0 0.715 0.721 0.726 0.730 0.742 20.0 0.554 0.565 0.572 0.579 0.580
25.0 0.721 0.729 0.733 0.737 0.749 25.0 0.557 0.565 0.579 0.593 0.578
45° 60°
Depth Side of equivalent square (cm) Depth Side of equivalent square (cm)
(cm) 5 10 15 20 30 (cm) 5 10 15 20 30
1.5 0.479 0.480 0.486 0.495   1.5 0.392 0.396 0.402    
5.0 0.483 0.485 0.489 0.497   5.0 0.397 0.400 0.404    
10.0 0.491 0.492 0.494 0.500   10.0 0.405 0.406 0.412    
15.0 0.500 0.500 0.500 0.505   15.0 0.411 0.414 0.417    
20.0 0.505 0.505 0.506 0.511   20.0 0.416 0.421 0.425    
25.0 0.512 0.514 0.515 0.519   25.0 0.424 0.429 0.431