cg Version

6 Answer for exercisesIt is recommended to save egs5job.out which is the result of ucnaicgv.f for 10,000 historieswith a dierent le name like nai.out for comparisons with the results of following problems.6.1 Problem 11. 137 Cs source cp ucnaicgv.f ucnaicgv1.fYou must use copy ucnaicgv.f ucnaicgv1.f or copy function of Windows in thecase of DOS. cp ucnaicgv.data ucnaicgv1.data cp ucnaicgv.inp ucnaicgv1.inp Modify ucnaicgv1.f as follows:{ Modify source photon energy.Changetoekein=1.253ekein=0.662 Run ucnaicgv1.f by egs5run.! Incident particle kinetic energy! Incident particle kinetic energy{ In the case of Linux or CygwinEnter ucnaicgv1 as the user code.Simply enter "return" as the le name for unit 4 and 25.Enter 1 for "Does this user code read from the terminal?".{ In the case of DOSegs5run ucnaicgv1 Compare the calculated results with nai.out. Peak eciency and total eciencyrepresent the results. These values are shown in the table below.2. 60 Co sourceEciencies before and after the modicationPeak eciency (P e ) Total eciency (T e )ucnaicgvucnaicgv137.6 0.5 %60.3 0.5 %76.2 0.4 %87.5 0.3 %Here user should be careful on the point that eciency value can have uctuation onthe order of statistical error depending on computer and compiler. cp ucnaicgv.f ucnaicgv2.f cp ucnaicgv.data ucnaicgv2.data cp ucnaicgv.inp ucnaicgv2.inp Modify ucnaicgv2.f as follows:{ Modify the maximum electron kinetic energy used.Changetoekein=1.253ekein=1.333! Incident particle kinetic energy! Incident particle kinetic energy41