{HEAD ~ Ions} are gated out of {TAIL ~ the linear trap} 30 into an electrostatic ion trap 130 and are detected by a secondary electron multiplier 10 
are gated out of
{ HEAD ~ Ions } are gated out of { TAIL ~ the linear trap } 30 into an electrostatic ion trap 130 and are detected by a secondary electron multiplier 10
HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH