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Table 1 Treatment beam quality parameters

From: Dosimetric comparison of 4 MeV and 6 MeV electron beams for total skin irradiation

Electron beam R50(cm) Dmax(cm) Ε ¯ 0 (MeV) Rp(cm) Contamination (%)
Standard 4 MeV 1.2 0.6 3.2 1.6 0.3
Standard 6 MeV 2.3 1.3 5.5 2.9 0.6
4 MeV TSEI 0.95 0.4 2.9 1.3 < 0.001
6 MeV TSEI 1.2 0.4 3.2 1.6 < 0.001
  1. Calculated using TG-70: Ε ¯ =0.656+2.059 R 50 +0.022 R 50 2 .