Table 4 FWHM defined before reconstruction for intrinsic spatial resolution along all dimensions for five transverse positions, for both simulated (Sim.) and experimental (Exp.) data

(0,1,0)

1.73

1.48

1.91

1.93

1.71

2.37

− 0.20

− 0.23

− 0.46

(0,10,0)

1.87

1.97

2.81

1.97

2.09

3.51

− 0.10

− 0.12

− 0.70

(0,20,0)

1.77

2.19

2.99

1.90

2.18

3.37

− 0.13

0.01

− 0.38

(10,0,0)

1.82

1.69

2.76

1.95

1.87

3.50

− 0.13

− 0.18

− 0.74

(20,0,0)

1.77

1.73

3.01

1.89

1.90

3.40

− 0.13

− 0.17

− 0.40