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Table 2 Measured Dolphin transmission factors for the square fields and each beam energy

From: Validation of new transmission detector transmission factors for online dosimetry: an experimental study

Field size (cm2)

Beam energy

6 MV

6 aFFF

10 MV

10 FFF

3 × 3

0.946

0.935

0.948

0.941

5 × 5

0.932

0.921

0.936

0.928

7 × 7

0.916

0.904

0.925

0.917

9 × 9

0.901

0.890

0.920

0.911

10 × 10

0.893

0.883

0.914

0.906

12 × 12

0.887

0.873

0.909

0.902

15 × 15

0.877

0.863

0.903

0.896

20 × 20

0.866

0.854

0.897

0.891

  1. aFFF flattening filter free
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Radiation Oncology

ISSN: 1748-717X

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