THE EGS5 CODE SYSTEM

2.17 Convergence of energy deposition as a function of step-size (in terms of fractional
energy loss) for the broomstick problem with varying diameters D in copper at 5 MeV.116
2.18 Convergence of average lateral displacement as function of step-size (in terms of fractional
energy loss) for the broomstick problem with varying diameters D in copper
at 5 MeV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
2.19 Optimal initial scattering strength K 1 vs. broomstick diameter (equivalent to the
characteristic dimension) in titanium at various energies. . . . . . . . . . . . . . . . . 118
2.20 Optimal initial scattering strength K 1 vs. broomstick diameter for various elements
at 100 MeV. The upper figure is for values of ρt greater than 0.1, and the lower figure
for smaller characteristic dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
2.21 Cu GMFP values evaluated by PWLF and LEM . . . . . . . . . . . . . . . . . . . . 122
2.22 Comparison of measured and calculated intensity of K x-rays. . . . . . . . . . . . . 123
2.23 Photon scattering system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
2.24 Direction of the polarization vector of the scattered photon . . . . . . . . . . . . . . 134
2.25 Direction of ⃗ k 0 and ⃗e 0 after two rotations by A −1 . . . . . . . . . . . . . . . . . . . . 137
4.1 Diagram used with UCBEND (not to scale). . . . . . . . . . . . . . . . . . . . . . . . 195
4.2 UCBEND simulation at 8.5 MeV (B=2.6 kG). . . . . . . . . . . . . . . . . . . . . . 196
4.3 UCBEND simulation at 3.5 MeV (B=1.0 kG). . . . . . . . . . . . . . . . . . . . . . 197
4.4 UCBEND simulation at 8.5 MeV (B=0 kG). . . . . . . . . . . . . . . . . . . . . . . 198
4.5 Geometry and particle trajectory of UCSAMPCG simulation. . . . . . . . . . . . . . 200
B.1 EGS5 user code control and data flow diagram. . . . . . . . . . . . . . . . . . . . . . 314
B.2 A three-region geometry for a HOWFAR example code. . . . . . . . . . . . . . . . . . . 338
C.1 Flowchart of the PEGS5 subprogram of PEGS, part 1. . . . . . . . . . . . . . . . . . . 356
C.2 Flowchart of the PEGS5 subprogram of PEGS, part 2. . . . . . . . . . . . . . . . . . . 357
C.3 Subprogram relationships in PEGS, part 1. . . . . . . . . . . . . . . . . . . . . . . . 358
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