!! ************************************************************************************** !! !! CLIC Pre-Damping Ring design following the resonance free lattice concept !! !! Racetrack configuration with 2 arc sections and two straight sections !! Arc cells: TME cells !! Straight Sections: FODO cells filled with damping wigglers !! Two Dispersion suppressions with space to add RF cavities, injection and extraction !! !! ************************************************************************************** !! ***************** !! Beam definition !! ***************** beam, particle=positron, energy=2.86,bunched,npart=4.5E+11, kbunch=312, EX = 1.250699e-6, EY = 1.250699e-3, ET = 7.5E-05, SIGT=0.009, SIGE=0.015,radiate=TRUE; call, file="input/pdr-ibs.seq"; SELECT,FLAG=TWISS,RANGE=#S/#E, COLUMN=NAME,KEYWORD,S,L,ANGLE,K1L,BETX,ALFX,MUX,BETY,ALFY,MUY,DX,DPX,DY,DPY; use, sequence=PDR; twiss,sequence=PDR,file=pdr-twiss.tfs; !plot,haxis=s,vaxis1=betx,bety,vaxis2=dx,colour=100,title="TME cell",noversion=true;!,interpolate=true; Qx=table(summ,q1); Qy=table(summ,q2); show, Qx, Qy; emit; beam->ey=5.36E-13; twiss,centre; ibs,file=ibs-table.tfs;