A great advantage of this approach is that forward scattering of the ions in "missed" reactions would simply move them to a different orbit, it was only those ions that scattered to a large off-axis angle that would escape.
A great advantage of this approach is that forward scattering of the ions in "missed" reactions would simply move them to a different orbit, it was only those ions. These ions scattered to a large off-axis angle. These large off-axis angle would escape.