!!! Energy Measurement at exit of rf photoinjector assign,print=TERM E_MeV :=5.0 HR :=E_MeV/0.3 Is_A :=116.3 Ik_A :=-0.6 KSc :=213.8/150*Is_A/HR VKc :=0.0447*Ik_A/HR Xso :=20.0 Xst :=22.1 !!!!!!!!!!!!!!!!! Solenoid coil !!!!!!!!!!!!!!!!!!!!!!!! xSTilt:=0.0 s01: solenoid, l=0.01, Ks=KSc*exp(-((01.0-Xso)/10.7)^4) s02: solenoid, l=0.01, Ks=KSc*exp(-((02.0-Xso)/10.7)^4) s03: solenoid, l=0.01, Ks=KSc*exp(-((03.0-Xso)/10.7)^4) s04: solenoid, l=0.01, Ks=KSc*exp(-((04.0-Xso)/10.7)^4) s05: solenoid, l=0.01, Ks=KSc*exp(-((05.0-Xso)/10.7)^4) s06: solenoid, l=0.01, Ks=KSc*exp(-((06.0-Xso)/10.7)^4) s07: solenoid, l=0.01, Ks=KSc*exp(-((07.0-Xso)/10.7)^4) s08: solenoid, l=0.01, Ks=KSc*exp(-((08.0-Xso)/10.7)^4) s09: solenoid, l=0.01, Ks=KSc*exp(-((09.0-Xso)/10.7)^4) s10: solenoid, l=0.01, Ks=KSc*exp(-((10.0-Xso)/10.7)^4) s11: solenoid, l=0.01, Ks=KSc*exp(-((11.0-Xso)/10.7)^4) s12: solenoid, l=0.01, Ks=KSc*exp(-((12.0-Xso)/10.7)^4) s13: solenoid, l=0.01, Ks=KSc*exp(-((13.0-Xso)/10.7)^4) s14: solenoid, l=0.01, Ks=KSc*exp(-((14.0-Xso)/10.7)^4) s15: solenoid, l=0.01, Ks=KSc*exp(-((15.0-Xso)/10.7)^4) s16: solenoid, l=0.01, Ks=KSc*exp(-((16.0-Xso)/10.7)^4) s17: solenoid, l=0.01, Ks=KSc*exp(-((17.0-Xso)/10.7)^4) s18: solenoid, l=0.01, Ks=KSc*exp(-((18.0-Xso)/10.7)^4) s19: solenoid, l=0.01, Ks=KSc*exp(-((19.0-Xso)/10.7)^4) s20: solenoid, l=0.01, Ks=KSc*exp(-((20.0-Xso)/10.7)^4) s21: solenoid, l=0.01, Ks=KSc*exp(-((21.0-Xso)/10.7)^4) s22: solenoid, l=0.01, Ks=KSc*exp(-((22.0-Xso)/10.7)^4) s23: solenoid, l=0.01, Ks=KSc*exp(-((23.0-Xso)/10.7)^4) s24: solenoid, l=0.01, Ks=KSc*exp(-((24.0-Xso)/10.7)^4) s25: solenoid, l=0.01, Ks=KSc*exp(-((25.0-Xso)/10.7)^4) s26: solenoid, l=0.01, Ks=KSc*exp(-((26.0-Xso)/10.7)^4) s27: solenoid, l=0.01, Ks=KSc*exp(-((27.0-Xso)/10.7)^4) s28: solenoid, l=0.01, Ks=KSc*exp(-((28.0-Xso)/10.7)^4) s29: solenoid, l=0.01, Ks=KSc*exp(-((29.0-Xso)/10.7)^4) s30: solenoid, l=0.01, Ks=KSc*exp(-((30.0-Xso)/10.7)^4) s31: solenoid, l=0.01, Ks=KSc*exp(-((31.0-Xso)/10.7)^4) s32: solenoid, l=0.01, Ks=KSc*exp(-((32.0-Xso)/10.7)^4) s33: solenoid, l=0.01, Ks=KSc*exp(-((33.0-Xso)/10.7)^4) s34: solenoid, l=0.01, Ks=KSc*exp(-((34.0-Xso)/10.7)^4) s35: solenoid, l=0.01, Ks=KSc*exp(-((35.0-Xso)/10.7)^4) s36: solenoid, l=0.01, Ks=KSc*exp(-((36.0-Xso)/10.7)^4) s37: solenoid, l=0.01, Ks=KSc*exp(-((37.0-Xso)/10.7)^4) s38: solenoid, l=0.01, Ks=KSc*exp(-((38.0-Xso)/10.7)^4) s39: solenoid, l=0.01, Ks=KSc*exp(-((39.0-Xso)/10.7)^4) s40: solenoid, l=0.01, Ks=KSc*exp(-((40.0-Xso)/10.7)^4) !!!!!!!!!!!!! Solenoid and trim coils !!!!!!!!!!!!!!! VKc01:=VKc*(exp(-((01.0-Xst)/6.3)^4)+0.3*exp(-((01.0-Xst)/6.3)^2))/1.3 k01: kicker, l=0.00, HKICK=VKc01*COS(XSTILT), VKICK=VKc01*SIN(XSTILT) VKc02:=VKc*(exp(-((02.0-Xst)/6.3)^4)+0.3*exp(-((02.0-Xst)/6.3)^2))/1.3 k02: kicker, l=0.00, HKICK=VKc02*COS(XSTILT), VKICK=VKc02*SIN(XSTILT) VKc03:=VKc*(exp(-((03.0-Xst)/6.3)^4)+0.3*exp(-((03.0-Xst)/6.3)^2))/1.3 k03: kicker, l=0.00, HKICK=VKc03*COS(XSTILT), VKICK=VKc03*SIN(XSTILT) VKc04:=VKc*(exp(-((04.0-Xst)/6.3)^4)+0.3*exp(-((04.0-Xst)/6.3)^2))/1.3 k04: kicker, l=0.00, HKICK=VKc04*COS(XSTILT), VKICK=VKc04*SIN(XSTILT) VKc05:=VKc*(exp(-((05.0-Xst)/6.3)^4)+0.3*exp(-((05.0-Xst)/6.3)^2))/1.3 k05: kicker, l=0.00, HKICK=VKc05*COS(XSTILT), VKICK=VKc05*SIN(XSTILT) VKc06:=VKc*(exp(-((06.0-Xst)/6.3)^4)+0.3*exp(-((06.0-Xst)/6.3)^2))/1.3 k06: kicker, l=0.00, HKICK=VKc06*COS(XSTILT), VKICK=VKc06*SIN(XSTILT) VKc07:=VKc*(exp(-((07.0-Xst)/6.3)^4)+0.3*exp(-((07.0-Xst)/6.3)^2))/1.3 k07: kicker, l=0.00, HKICK=VKc07*COS(XSTILT), VKICK=VKc07*SIN(XSTILT) VKc08:=VKc*(exp(-((08.0-Xst)/6.3)^4)+0.3*exp(-((08.0-Xst)/6.3)^2))/1.3 k08: kicker, l=0.00, HKICK=VKc08*COS(XSTILT), VKICK=VKc08*SIN(XSTILT) VKc09:=VKc*(exp(-((09.0-Xst)/6.3)^4)+0.3*exp(-((09.0-Xst)/6.3)^2))/1.3 k09: kicker, l=0.00, HKICK=VKc09*COS(XSTILT), VKICK=VKc09*SIN(XSTILT) VKc10:=VKc*(exp(-((10.0-Xst)/6.3)^4)+0.3*exp(-((10.0-Xst)/6.3)^2))/1.3 k10: kicker, l=0.00, HKICK=VKc10*COS(XSTILT), VKICK=VKc10*SIN(XSTILT) VKc11:=VKc*(exp(-((11.0-Xst)/6.3)^4)+0.3*exp(-((11.0-Xst)/6.3)^2))/1.3 k11: kicker, l=0.00, HKICK=VKc11*COS(XSTILT), VKICK=VKc11*SIN(XSTILT) VKc12:=VKc*(exp(-((12.0-Xst)/6.3)^4)+0.3*exp(-((12.0-Xst)/6.3)^2))/1.3 k12: kicker, l=0.00, HKICK=VKc12*COS(XSTILT), VKICK=VKc12*SIN(XSTILT) VKc13:=VKc*(exp(-((13.0-Xst)/6.3)^4)+0.3*exp(-((13.0-Xst)/6.3)^2))/1.3 k13: kicker, l=0.00, HKICK=VKc13*COS(XSTILT), VKICK=VKc13*SIN(XSTILT) VKc14:=VKc*(exp(-((14.0-Xst)/6.3)^4)+0.3*exp(-((14.0-Xst)/6.3)^2))/1.3 k14: kicker, l=0.00, HKICK=VKc14*COS(XSTILT), VKICK=VKc14*SIN(XSTILT) VKc15:=VKc*(exp(-((15.0-Xst)/6.3)^4)+0.3*exp(-((15.0-Xst)/6.3)^2))/1.3 k15: kicker, l=0.00, HKICK=VKc15*COS(XSTILT), VKICK=VKc15*SIN(XSTILT) VKc16:=VKc*(exp(-((16.0-Xst)/6.3)^4)+0.3*exp(-((16.0-Xst)/6.3)^2))/1.3 k16: kicker, l=0.00, HKICK=VKc16*COS(XSTILT), VKICK=VKc16*SIN(XSTILT) VKc17:=VKc*(exp(-((17.0-Xst)/6.3)^4)+0.3*exp(-((17.0-Xst)/6.3)^2))/1.3 k17: kicker, l=0.00, HKICK=VKc17*COS(XSTILT), VKICK=VKc17*SIN(XSTILT) VKc18:=VKc*(exp(-((18.0-Xst)/6.3)^4)+0.3*exp(-((18.0-Xst)/6.3)^2))/1.3 k18: kicker, l=0.00, HKICK=VKc18*COS(XSTILT), VKICK=VKc18*SIN(XSTILT) VKc19:=VKc*(exp(-((19.0-Xst)/6.3)^4)+0.3*exp(-((19.0-Xst)/6.3)^2))/1.3 k19: kicker, l=0.00, HKICK=VKc19*COS(XSTILT), VKICK=VKc19*SIN(XSTILT) VKc20:=VKc*(exp(-((20.0-Xst)/6.3)^4)+0.3*exp(-((20.0-Xst)/6.3)^2))/1.3 k20: kicker, l=0.00, HKICK=VKc20*COS(XSTILT), VKICK=VKc20*SIN(XSTILT) VKc21:=VKc*(exp(-((21.0-Xst)/6.3)^4)+0.3*exp(-((21.0-Xst)/6.3)^2))/1.3 k21: kicker, l=0.00, HKICK=VKc21*COS(XSTILT), VKICK=VKc21*SIN(XSTILT) VKc22:=VKc*(exp(-((22.0-Xst)/6.3)^4)+0.3*exp(-((22.0-Xst)/6.3)^2))/1.3 k22: kicker, l=0.00, HKICK=VKc22*COS(XSTILT), VKICK=VKc22*SIN(XSTILT) VKc23:=VKc*(exp(-((23.0-Xst)/6.3)^4)+0.3*exp(-((23.0-Xst)/6.3)^2))/1.3 k23: kicker, l=0.00, HKICK=VKc23*COS(XSTILT), VKICK=VKc23*SIN(XSTILT) VKc24:=VKc*(exp(-((24.0-Xst)/6.3)^4)+0.3*exp(-((24.0-Xst)/6.3)^2))/1.3 k24: kicker, l=0.00, HKICK=VKc24*COS(XSTILT), VKICK=VKc24*SIN(XSTILT) VKc25:=VKc*(exp(-((25.0-Xst)/6.3)^4)+0.3*exp(-((25.0-Xst)/6.3)^2))/1.3 k25: kicker, l=0.00, HKICK=VKc25*COS(XSTILT), VKICK=VKc25*SIN(XSTILT) VKc26:=VKc*(exp(-((26.0-Xst)/6.3)^4)+0.3*exp(-((26.0-Xst)/6.3)^2))/1.3 k26: kicker, l=0.00, HKICK=VKc26*COS(XSTILT), VKICK=VKc26*SIN(XSTILT) VKc27:=VKc*(exp(-((27.0-Xst)/6.3)^4)+0.3*exp(-((27.0-Xst)/6.3)^2))/1.3 k27: kicker, l=0.00, HKICK=VKc27*COS(XSTILT), VKICK=VKc27*SIN(XSTILT) VKc28:=VKc*(exp(-((28.0-Xst)/6.3)^4)+0.3*exp(-((28.0-Xst)/6.3)^2))/1.3 k28: kicker, l=0.00, HKICK=VKc28*COS(XSTILT), VKICK=VKc28*SIN(XSTILT) VKc29:=VKc*(exp(-((29.0-Xst)/6.3)^4)+0.3*exp(-((29.0-Xst)/6.3)^2))/1.3 k29: kicker, l=0.00, HKICK=VKc29*COS(XSTILT), VKICK=VKc29*SIN(XSTILT) VKc30:=VKc*(exp(-((30.0-Xst)/6.3)^4)+0.3*exp(-((30.0-Xst)/6.3)^2))/1.3 k30: kicker, l=0.00, HKICK=VKc30*COS(XSTILT), VKICK=VKc30*SIN(XSTILT) VKc31:=VKc*(exp(-((31.0-Xst)/6.3)^4)+0.3*exp(-((31.0-Xst)/6.3)^2))/1.3 k31: kicker, l=0.00, HKICK=VKc31*COS(XSTILT), VKICK=VKc31*SIN(XSTILT) VKc32:=VKc*(exp(-((32.0-Xst)/6.3)^4)+0.3*exp(-((32.0-Xst)/6.3)^2))/1.3 k32: kicker, l=0.00, HKICK=VKc32*COS(XSTILT), VKICK=VKc32*SIN(XSTILT) VKc33:=VKc*(exp(-((33.0-Xst)/6.3)^4)+0.3*exp(-((33.0-Xst)/6.3)^2))/1.3 k33: kicker, l=0.00, HKICK=VKc33*COS(XSTILT), VKICK=VKc33*SIN(XSTILT) VKc34:=VKc*(exp(-((34.0-Xst)/6.3)^4)+0.3*exp(-((34.0-Xst)/6.3)^2))/1.3 k34: kicker, l=0.00, HKICK=VKc34*COS(XSTILT), VKICK=VKc34*SIN(XSTILT) VKc35:=VKc*(exp(-((35.0-Xst)/6.3)^4)+0.3*exp(-((35.0-Xst)/6.3)^2))/1.3 k35: kicker, l=0.00, HKICK=VKc35*COS(XSTILT), VKICK=VKc35*SIN(XSTILT) VKc36:=VKc*(exp(-((36.0-Xst)/6.3)^4)+0.3*exp(-((36.0-Xst)/6.3)^2))/1.3 k36: kicker, l=0.00, HKICK=VKc36*COS(XSTILT), VKICK=VKc36*SIN(XSTILT) VKc37:=VKc*(exp(-((37.0-Xst)/6.3)^4)+0.3*exp(-((37.0-Xst)/6.3)^2))/1.3 k37: kicker, l=0.00, HKICK=VKc37*COS(XSTILT), VKICK=VKc37*SIN(XSTILT) VKc38:=VKc*(exp(-((38.0-Xst)/6.3)^4)+0.3*exp(-((38.0-Xst)/6.3)^2))/1.3 k38: kicker, l=0.00, HKICK=VKc38*COS(XSTILT), VKICK=VKc38*SIN(XSTILT) VKc39:=VKc*(exp(-((39.0-Xst)/6.3)^4)+0.3*exp(-((39.0-Xst)/6.3)^2))/1.3 k39: kicker, l=0.00, HKICK=VKc39*COS(XSTILT), VKICK=VKc39*SIN(XSTILT) VKc40:=VKc*(exp(-((40.0-Xst)/6.3)^4)+0.3*exp(-((40.0-Xst)/6.3)^2))/1.3 k40: kicker, l=0.00, HKICK=VKc40*COS(XSTILT), VKICK=VKc40*SIN(XSTILT) sol_st: line=( s01,k01, s02,k02, s03,k03, s04,k04, s05,k05, & s06,k06, s07,k07, s08,k08, s09,k09, s10,k10, & s11,k11, s12,k12, s13,k13, s14,k14, s15,k15, & s16,k16, s17,k17, s18,k18, s19,k19, s20,k20, & s21,k21, s22,k22, s23,k23, s24,k24, s25,k25, & s26,k26, s27,k27, s28,k28, s29,k29, s30,k30, & s31,k31, s32,k32, s33,k33, s34,k34, s35,k35, & s36,k36, s37,k37, s38,k38, s39,k39, s40,k40) d: drift, l=0.247 m:marker Xstilt:=0.0 E_mev:=3.6 !!!!!!!!!!!!!! Currents of solenoid and trim coils !!!!!!!!!!!!!!!!!! Is_A :=142.5 Ik_A :=0.6 use,period=(sol_st,d,m) twiss,betx=10.0,bety=10.0, couple match,betx=10.0,bety=10.0,x=0,y=0,orbit vary, e_mev, Lower=2.0, Upper=7.0, step=0.0003 !!!!!!!!! Here it is assumed: !!!!!!!!!!!!!!! !!!!!!!!! beam position w/o trim is (286, 248) !!!!!!!!!!!!!!! !!!!!!!!! beam position w trim is (355, 161) !!!!!!!!!!!!!!! !!!!!!!!! calibration is (53.1, 57.7) um/pixel !!!!!!!!!!!!!!! !!!!!!!!! *change sign if necessary !!!!!!!!!!!!!!! constrain, m , x=-1e-6*(286-355)*53.1, y=-1e-6*(248-161)*57.7 lmdif, calls=1000 endmatch