<div dir="ltr"><div>Dear Users</div><div>I use the Proton beam and PMMA target. I want to get the source locations of the secondary particles created inside the target with event number. </div><div>I usually put a PET scanner connected with Sensitive detector, get the events detail coning inside the Pet detector but now I need the locations of the secondary Particles inside the target? <br></div><div>Regards</div><div>Atiq</div></div>