Table 4 Logistic model fitting constants, α and β, estimated using least squares optimisation for each collecting voltage, with corresponding uncertainties at k = 1 coverage factor.

From: The challenge of ionisation chamber dosimetry in ultra-short pulsed high dose-rate Very High Energy Electron beams

Collecting Voltage (V)

Logistic ks,L

α

β

Uncert. (α)

Uncert. (β)

75

0.668

1.086

0.068

0.100

200

0.764

0.898

0.092

0.095

350

0.832

0.796

0.141

0.113

600

0.967

0.660

0.120

0.110