(a)

This work

ISO4037-1

Error (%)

HVL₁ (mm Cu)

0.58

0.58

−0.34

HVL₂ (mm Cu)

0.62

0.62

−0.16

h

0.93

0.75 - 1.0

-

E_eff (keV)

65

65*

-

QI

0.81

-

-

(b)

This work

ISO4037-1

Error (%)

HVL₁ (mm Cu)

0.24

0.24

−0.42

HVL₂ (mm Cu)

0.27

0.26

1.92

h

0.90

0.75 - 1.0

-

E_eff (keV)

46

48*

-

QI

0.76

-

-

(c)

This work

ISO4037-1

Error (%)

HVL₁ (mm Cu)

1.73

1.71

−1.35

HVL₂ (mm Cu)

1.79

1.77

0.85

h

0.97

0.75 - 1.0

-

E_eff (keV)

100

100*

-

QI

0.83

-

-

(d)

This work

ISO4037-1

Error (%)

HVL₁ (mm Cu)

1.11

1.11

0.45

HVL₂ (mm Cu)

1.17

1.17

0.09

h

0.95

0.75 - 1.0

-

E_eff (keV)

84

83*

-

QI

0.84

-

-