Photon energy (MeV)

ε_p (present work)

ε_p (experimental [23] )

ε_p (theoretical [23] )

2.45E−01

1.020E−03

1.022E−03

1.031E−03

3.44E−01

8.366E−04

8.369E−04

8.417E−04

6.62E−01

5.380E−04

5.382E−04

5.347E−04

7.79E−01

4.773E−04

4.771E−04

4.758E−04

9.64E−01

3.801E−04

3.804E−04

3.842E−04

1.17E+00

3.513E−04

3.511E−04

3.505E−04

1.33E+00

3.324E−04

3.322E−04

3.315E−04

1.41E+00

3.245E−04

3.247E−04

3.268E−04