beam, SEQUENCE=Machine ,PARTICLE=electron, energy=3, RADIATE=True; option, RBARC=FALSE; call, file= "ALBA-25.4th.seq"; ! Put the RF cavity RFC: RFCAVITY, L=0.5, VOLT=3.6, LAG=0.480,HARMON=448; L_IDRF : DRIFT, L=L_ID->L-RFC->L; L_ID : LINE =(RFC, L_IDRF); use, period=Machine; twiss; EMIT,DELTAP=0.0 ;