dampingOptRf.ele
coolingOptRf.ele
        Set up damping and cooling ring rf cavities.
        Run first.

SR_coolerv4.ele
        Run to track for 20 turns.
        Momentum is ok but x coordinates grow large, apparently a half-integer resonance

sddsplot -column=s,Cdelta SR_coolerv4.cen -limit=ymax=0.01,ymin=-0.01,auto
sddsplot -column=s,Cx SR_coolerv4.cen
sddsplot -col=Cx,Cxp SR_coolerv4.w1 -graph=sym -clip=0,1
