Simulate the angle changing by monte Carlo

Simulate the angle changing by monte Carlo 

writer can you please write a report about changing angles of the target when it get photons so the target get diffrent energy as the result what we get it from monte carlo simulation i use Geant 4 to bult my model and it was work as simulation results so please can you flow this introduction background and context statment of problem what we doing why itis important overview of approach then related work (literure reviow) talk a little about Geant 4 program and Monte carlo simulation descrition of simulation modle result talk about spectra plote peak amplitude as a function of offset angle https://www.nature.com/articles/s41598-019-43073-1https://www.nature.com/articles/s41598-018-34643-w