This corrects the name of the angle. Nicolas pointed this out to me yesterday. I just wanted to correct it before I forget it.
I also added more descriptions about the orientation of the impact parameter. Anyway, this is only the 'theorist's' flow, experimentalists can not use it.
This corrects the name of the angle. Nicolas pointed this out to me yesterday. I just wanted to correct it before I forget it. I also added more descriptions about the orientation of the impact parameter. Anyway, this is only the 'theorist's' flow, experimentalists can not use it.