1 gaskelld 1.1 ; This is a CTP file
  2              
  3              begin parm experiment
  4                ngen = 10000			;  POS: # of successes; NEG: # of tries
  5                EXPER.charge = 1.0		;  total charge (mC)
  6                doing_phsp = 0		;  (ONE = TRUE)
  7                doing_kaon = 0		;  (ONE = TRUE)
  8                doing_pion = 0		;  (ONE = TRUE)
  9                which_pion = 0		;  (0=p->pi+,1=n->pi-,10/11 for pi+/pi- coherent)
 10                doing_delta = 1		;  (ONE = TRUE)
 11                doing_decay = 0		;  1=decay ON, 0=decay OFF.
 12                ctau = 780.4			;  decay length (cm)
 13              end parm experiment
 14              
 15              begin parm kinematics_main
 16                Ebeam = 5750.			;  (MeV)
 17                dEbeam = 0.05			;  beam energy variation (%)
 18                electron_arm = 2              ;  1=hms,2=sos,3=hrsr,4=hrsl
 19                hadron_arm = 1                ;  1=hms,2=sos,3=hrsr,4=hrsl
 20                spec.e.P = 1410.		;  e arm central momentum (MeV/c)
 21                spec.e.theta = 57.4		;  e arm angle setting (degrees)
 22 gaskelld 1.1   spec.p.P = 3039.		;  p arm central momentum (MeV/c)
 23                spec.p.theta = 13.4		;  p arm angle setting (degrees)
 24              end parm kinematics_main
 25              
 26              begin parm target
 27                targ.A = 1.			;  target A
 28                targ.Z = 1.			;  target Z
 29                targ.mass_amu = 1.007276	;  target mass in amu
 30                targ.mrec_amu = 0.		;  recoil mass in amu (eep=A-1 system,pion=A-2)
 31                targ.rho = 0.07332		;  target density (g/cm^3)
 32                targ.thick = 295.179		;  target thick (mg/cm^2)
 33                targ.angle = 0.		;  target angle (for solid target) (degrees)
 34                targ.abundancy = 100.		;  target purity (%)
 35                targ.can = 2			;  1=beer can (fpi), 2=pudding can (nucpi)
 36              end parm target
 37              
 38              begin parm debug		;  (ONES give helpful debug info)
 39                debug(1) = 0			;  turns on output from brem.f
 40                debug(2) = 0			;  into/outa subs.
 41                debug(3) = 0			;  spit out values (init. and main loop).
 42                debug(4) = 0			;  mostly comp_ev, gen_rad diagnostics.
 43 gaskelld 1.1   debug(5) = 0			;  a bit of everything.
 44              end parm debug
 45              
 46              begin parm e_arm_accept
 47                SPedge.e.delta.min = -18.0	;  delta min (SPECTROMETER ACCEPTANCE!)
 48                SPedge.e.delta.max =  18.0	;  delta max
 49                SPedge.e.yptar.min = -90.0	; .yptar.min = {TF} / 1000 (mrad)
 50                SPedge.e.yptar.max =  90.0	; .yptar.max = {TF} / 1000
 51                SPedge.e.xptar.min = -50.0	; .xptar.min = {TF} / 1000 (mrad)
 52                SPedge.e.xptar.max =  50.0	; .xptar.max = {TF} / 1000
 53              end parm e_arm_accept
 54              
 55              begin parm p_arm_accept
 56                SPedge.p.delta.min = -12.0	;  delta min (SPECTROMETER ACCEPTANCE!)
 57                SPedge.p.delta.max =  12.0	;  delta max
 58                SPedge.p.yptar.min = -50.0	; .yptar.min = {TF} / 1000 (mrad)
 59                SPedge.p.yptar.max =  50.0	; .yptar.max = {TF} / 1000
 60                SPedge.p.xptar.min = -100.0	; .xptar.min = {TF} / 1000 (mrad)
 61                SPedge.p.xptar.max =  100.0	; .xptar.max = {TF} / 1000
 62              end parm p_arm_accept
 63              
 64 gaskelld 1.1 ; This is a CTP file
 65              
 66              begin parm beamandtargetinfo
 67                gen.xwid = 0.008868		;  beam width - one sigma (cm)  (89microns)
 68                gen.ywid = 0.004235		;  beam width - one sigma (cm)  (42microns)
 69                targ.fr_pattern = 2.		;  raster pattern: 1=square, 2=circular
 70                targ.fr1 = 0.015		;  horizontal size OR inner radius(2)
 71                targ.fr2 = 0.15		;  vertical size OR outer radius(2)
 72                targ.xoffset = 0.		;  target x-offset (cm): +x = beam right
 73                targ.yoffset = 0.		;  target y-offset (cm): +y = up
 74                targ.zoffset = 0.		;  target z-offset (cm): +z = downstream
 75              				;   zreal = znominal + zoffset
 76              end parm beamandtergetinfo
 77              
 78              ;These are offsets applied before the call to the single arm montecarlos.
 79              begin parm spect_offset
 80                spec.e.offset.x = 0.		;  x offset (cm)
 81                spec.e.offset.y = 0.		;  y offset (cm)
 82                spec.e.offset.z = 0.		;  z offset (cm)
 83                spec.e.offset.xptar = 0.	;  xptar offset (mr)	!x(y)ptar is slope, so
 84                spec.e.offset.yptar = 0.	;  yptar offset (mr)	!it's really unitless.
 85 gaskelld 1.1   spec.p.offset.x = 0.		;  x offset (cm)
 86                spec.p.offset.y = 0.		;  y offset (cm)
 87                spec.p.offset.z = 0.		;  z offset (cm)
 88                spec.p.offset.xptar = 2.62	;  xptar offset (mr)
 89                spec.p.offset.yptar = 0.	;  yptar offset (mr)
 90              end parm spect_offset
 91              
 92              begin parm simulate
 93                hard_cuts = 0         ;  (ONE = TRUE) SPedge and Em.max are hard cuts(ntuple)
 94                using_rad = 1		;  (ONE = TRUE)
 95                use_expon = 0		;  (LEAVE AT 0)
 96                one_tail = 0		;  0=all, 1=e, 2=e', 3=p, -3=all but p
 97                intcor_mode = 1	;  (LEAVE AT 1)
 98                spect_mode = 0	;  0=e+p arms, -1=p arm, -2=e arm only, 1=none
 99                cuts.Em.min = 0.	;  (Em.min=Em.max=0.0 gives wide open cuts)
100                cuts.Em.max = 0.	; Must be wider than cuts in analysis(elastic or e,e'p)
101                using_Eloss = 1	;  (ONE = TRUE)
102                correct_Eloss = 1	;  ONE = correct reconstructed events for eloss.
103                correct_raster = 1	;  ONE = Reconstruct events using 'raster' matrix elements.
104                mc_smear = 1		;  ONE = target & hut mult scatt AND DC smearing.
105                deForest_flag = 0	;  0=sigcc1, 1=sigcc2, -1=sigcc1 ONSHELL
106 gaskelld 1.1   rad_flag = 0		;  (radiative option #1...see init.f)
107                extrad_flag = 2	;  (rad. option #2...see init.f)
108                lambda(1) = 0.0	;  if rad_flag.eq.4 then lambda(1) = {TF}
109                lambda(2) = 0.0	;  if rad_flag.eq.4 then lambda(2) = {TF}
110                lambda(3) = 0.0	;  if rad_flag.eq.4 then lambda(3) = {TF}
111                Nntu = 1		;  ONE = generate ntuples
112                using_Coulomb = 1	;  (ONE = TRUE)
113                dE_edge_test = 0.	;  (move around energy edges)
114                use_offshell_rad = 1	;  (ONE = TRUE)
115                Egamma_gen_max = 0. ;  Set >0 to hardwire the Egamma limits.
116              end parm simulate