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Table 4 Output factors for 7 MeV electron beam. Output factors for 7 MeV electron beam (reference: measured output for 9 MeV beam of 10 × 10 cm2 cone)

From: Design and evaluation of electron beam energy degraders for breast boost irradiation

Cone (cm2)

Output factor calculated

Output factor measured

Difference (%)

10 × 10

0.888

0.882

0.6

15 × 15

0.980

0.972

0.8