X-Band Injector RF gun solenoid Compton 101_2nd 7/14/2010 Scott Anderson This is the Compton 101 solenoid which is being measured for the 2nd time hence the name Compton_101_2nd Alignment: x and y = 0 is the center of the inside cylinder. Z = 0 is the outside surface of the upstream end plate. +x is to the right look in the +Z direction. An axial field pointed in the beam direction will be recorded as positive.