parameter[lattice] = g_2 parameter[particle] = antimuon parameter[geometry] = open parameter[p0c] = 3.094353005E9 parameter[absolute_time_tracking] = .true. parameter[aperture_limit_on] = .true. beginning[beta_a] = 3.5 beginning[beta_b] = 22. !parameter[ran_seed] = 123 parameter[custom_attribute2] = "sbend::field_index" parameter[custom_attribute1] = "sbend::kick_width" parameter[custom_attribute1] = "sbend::kick_width" parameter[custom_attribute2] = "sbend::field_index" parameter[custom_attribute3] = "taylor::x_angle" !parameter[custom_attribute4] = "sbend::kicker_field" !parameter[custom_attribute5] = "sbend::dtRise_and_fall" !==================================================================================================== ! INJECTION LINE ================================================================================== !==================================================================================================== ! Here are the Taylor maps from Dave Rubin's simulations. Each Taylor map has a custom attribute ! "taylor::x_angle" representing the reference orbit's angle with respect to the downstream direction ! (in the horizontal midplane). This information is used in the scattering/energy-loss subroutines ! in "materials_mod.f90". ! call, file = 'taylor_maps/BACKLEG_START_taylor.dat' ! call, file = 'taylor_maps/BACKLEG_taylor.dat' ! call, file = 'taylor_maps/CRYO_US_taylor.dat' ! call, file = 'taylor_maps/INFA_taylor.dat' !l = 1.5 ! call, file = 'taylor_maps/INFB_taylor.dat' !l = 0.2 ! call, file = 'taylor_maps/INF_EXIT_taylor.dat' ! call, file = 'taylor_maps/END_taylor.dat' ! call, file = 'taylor_maps/DR_taylor.dat' ! Here are the places we'd like to compute scattering/energy-loss. MARK_CRYO_US: marker ! upstream inflector cryo window MARK_INFLECTOR_US: marker !, tracking_method = custom ! upstream inflector end MARK_INFLECTOR_DS: marker !, tracking_method = custom ! downstream inflector end ! MARK_INFLECTOR_US: drift, l=0.001 , tracking_method = custom ! upstream inflector end ! MARK_INFLECTOR_DS: drift, l=0.001 , tracking_method = custom ! downstream inflector end MARK_CRYO_DS: marker ! downstream inflector cryo window !INFA_Taylor[wall]:= { superimpose = .true., & ! section = { type = wall_start, s = 0., v(1)={0.009,-0.028}, v(2)={0.009, 0.028}, v(3)={-0.009, 0.028}, v(4)={-0.009,-0.028} }, & ! section = { type = wall_end, s = INFA_TAYLOR[l], v(1)={0.009,-0.028}, v(2)={0.009, 0.028}, v(3)={-0.009, 0.028}, v(4)={-0.009,-0.028} }} ! Walls don't work with taylor elements ! Here is the injection line ! injinf : line = ( & ! BACKLEG_START_TAYLOR, & ! BACKLEG_TAYLOR, & ! MARK_CRYO_US, & ! CRYO_US_TAYLOR, & ! MARK_INFLECTOR_US, & ! INFA_TAYLOR, & ! INFB_TAYLOR, & ! MARK_INFLECTOR_DS, & ! INJ_TO_RING, & ! RING_BR ) !injinf[e_tot] = 3.094350E9 ! !********************************************* ! ELECTRIC QUADRUPOLES GEOMETRICAL PARAMETERS !********************************************* ! The following come from the E821 Quad NIM ! paper and the E821 Design Report, pp. 227. !================================== ! ELECTRODE SPANNING ANGLES !================================== dThetaQShort = 13.0*pi/180. dThetaQGap = 4.0*pi/180. dThetaQLong = 26.0*pi/180. !================================== ! ELECTRODE START ANGLES !================================== !ThetaQ1Start = 21.900*pi/180. ! design report (old) ThetaQ1Start = 22.075*pi/180. ! geometry -- no overlap with kickers ThetaQ2Start = ThetaQ1Start + pi/2. ThetaQ3Start = ThetaQ1Start + pi ThetaQ4Start = ThetaQ2Start + pi !================================== ! ELECTRODE END ANGLES !================================== ThetaQ1End = ThetaQ1Start + dThetaQShort + dThetaQGap + dThetaQLong ThetaQ2End = ThetaQ1End + pi/2. ThetaQ3End = ThetaQ1End + pi ThetaQ4End = ThetaQ2End + pi width2 = 0.045*0.045 !================================= ! MAGIC RADIUS !================================= radius = 7.112 !********************************************* ! KICKER GEOMETRICAL PARAMETERS !********************************************* kickerArrayCenterline = pi/2. !================================== ! KICKER SPANNING ANGLES !================================== dThetaK1 = 1.76e0/7.112 dThetaGapK12 = 0.10e0/7.112 dThetaK2 = 1.76e0/7.112 dThetaGapK23 = 0.10e0/7.112 dThetaK3 = 1.76e0/7.112 !================================== ! KICKER START ANGLES !================================== ThetaK1Start = kickerArrayCenterline - dThetaK2/2. - dThetaGapK12 - dThetaK1 ThetaK2Start = kickerArrayCenterline - dThetaK2/2. ThetaK3Start = kickerArrayCenterline + dThetaK2/2. + dThetaGapK23 !================================== ! KICKER END ANGLES !================================== ThetaK1End = kickerArrayCenterline - dThetaK2/2. - dThetaGapK12 ThetaK2End = kickerArrayCenterline + dThetaK2/2. ThetaK3End = kickerArrayCenterline + dThetaK2/2. + dThetaGapK23 + dThetaK3 !================================== !tracker angular positions !================================== tracker1Ang = 10*pi/180 tracker2Ang = pi tracker3Ang = 270*pi/180 !********************************************* ! LATTICE ELEMENTS !********************************************* !spin tracking method sbend[spin_tracking_method] = tracking !FULLRING: sbend, rho = 7.112, field_calc = custom, tracking_method = runge_kutta, num_steps = 100 , mat6_calc_method = tracking, ds_step=0.01 !, angle = twopi FULLRING: sbend, rho = 7.112, field_calc = custom, tracking_method = runge_kutta, num_steps = 1000, mat6_calc_method = tracking, ds_step=0.001 !, angle = twopi ! These elements are the "gaps" between the various quads/kickers ! they are defined along with the trackers AFREE1: FULLRING, angle = tracker1Ang, aperture_type=elliptical ! Gap from injection point to first electric quadrupole tracker1: marker, tracking_method = custom AFREE2: FULLRING, angle = ThetaQ1Start - tracker1Ang, aperture_type=elliptical BFREE: FULLRING, angle = ThetaK1Start - ThetaQ1End, aperture_type = elliptical CFREE: FULLRING, angle = ThetaQ2Start - ThetaK3End, aperture_type = elliptical DFREE1: FULLRING, angle = tracker2Ang - ThetaQ2End, aperture_type = elliptical tracker2: marker, tracking_method = custom DFREE2: FULLRING, angle = ThetaQ3Start - tracker2Ang, aperture_type = elliptical EFREE1: FULLRING, angle = tracker3Ang - ThetaQ3End, aperture_type = elliptical tracker3: marker, tracking_method = custom EFREE2: FULLRING, angle = ThetaQ4Start - tracker3Ang, aperture_type = elliptical FFREE: FULLRING, angle = twopi - ThetaQ4End ! This element is the small gap between the "short" and "long" sections of each "single" electric quadrupole QFREE: FULLRING, angle = dThetaQGap ! The first electric quadrupole's field is unique, and so Q1 must be handled separately ! The "wall" represents the Q1 short and long outer quadrupole plates that some muons will scatter through !QUAD1_SHORT: FULLRING, angle = dThetaQShort, field_index=0.141, wall = {superimpose = .true., thickness = 0.0005, & ! section = {type = wall_start, s = 0., v(1) = {0.05,-0.0235}, v(2) = {0.05,0.0235}}, & ! section = {type = wall_end, s = dThetaQShort*radius, v(1) = {0.05,-0.0235}, v(2) = {0.05,0.0235}}} !QUAD1_LONG: FULLRING, angle = dThetaQLong, field_index=0.141, wall = {superimpose = .true., thickness = 0.0005, & ! section={s = 0, v(1) = {0.07,-0.025}, v(2) = {0.07,0.025}}, & ! section={s = dThetaQLong*radius, v(1) = {0.07,-0.025}, v(2) = {0.07,0.025}}} ! TODO: Implement scattering in "wall" QUAD1_SHORT: FULLRING, angle = dThetaQShort, field_index=0.141, wall = { superimpose = .true., thickness = 0.0005, & section = { type = wall_start, s = 0., v(1)={0.05025,-0.0235}, v(2)={0.05025, 0.0235} }, & section = { type = wall_end, s = dThetaQShort*radius, v(1)={0.05025,-0.0235}, v(2)={0.05025, 0.0235} }} QUAD1_LONG: FULLRING, angle = dThetaQLong, field_index=0.141, wall = { superimpose = .true., thickness = 0.0005, & section = { type = wall_start, s = 0., v(1)={0.05025,-0.0235}, v(2)={0.05025, 0.0235} }, & section = { type = wall_end, s = dThetaQLong*radius, v(1)={0.05025,-0.0235}, v(2)={0.05025, 0.0235} }} QUAD1: LINE = (QUAD1_SHORT, QFREE, QUAD1_LONG) ! The E-fields of Q2, Q3, and Q4 are the same, and so can be handled identically QUAD_SHORT: FULLRING, angle = dThetaQShort, field_index = 0.141 QUAD_LONG: FULLRING, angle = dThetaQLong, field_index=0.141 QUAD: LINE = (QUAD_SHORT, QFREE, QUAD_LONG) collimator: ecollimator, l=0.00001, x_limit=0.045, y_limit=0.045 ! Kickers KICKER1: FULLRING, angle = dThetaK1, descrip = "KICKER_E989_NoRolledEdges.dat", & hkick = 0.0, kick_width = 100.e-9, hkick = 0.0, kick_width = 100.e-9 GAPK12: FULLRING, angle = dThetaGapK12 KICKER2A: FULLRING, angle = dThetaK2/2, descrip = "KICKER_E989_NoRolledEdges.dat", hkick = 0.0, kick_width = 100.e-9 MARK_CENTERLINE: FULLRING, angle = 0 KICKER2B: FULLRING, angle = dThetaK2/2, descrip = "KICKER_E989_NoRolledEdges.dat", hkick = 0.0, kick_width = 100.e-9 GAPK23: FULLRING, angle = dThetaGapK23 KICKER3: FULLRING, angle = dThetaK3,descrip = "KICKER_E989_NoRolledEdges.dat", hkick = 0.0, kick_width = 100.e-9 KICKERS: LINE = (KICKER1, GAPK12, KICKER2A, MARK_CENTERLINE, KICKER2B, GAPK23, KICKER3) !********************************************* ! APERTURE LIMITS !********************************************* ! Elements just downstream of the injection point should NOT have storage-region aperture limits! !afree[x_limit] := 0.045 !afree[y_limit] := 0.045 QUAD1_SHORT[x_limit] := 0.102 QUAD1_SHORT[y_limit] := 0.05 QUAD1_SHORT[aperture_at] = continuous QUAD1_LONG[x_limit] := 0.102 QUAD1_LONG[y_limit] := 0.050 QUAD1_LONG[aperture_at] = continuous QUAD_SHORT[x_limit] := 0.05 QUAD_SHORT[y_limit] := 0.05 QUAD_SHORT[aperture_at] = continuous QUAD_LONG[x_limit] := 0.05 QUAD_LONG[y_limit] := 0.050 QUAD_LONG[aperture_at] = continuous KICKER1[x_limit] := 0.05 !0.102 ! vac chmbr. better? KICKER1[y_limit] := 0.056 KICKER1[aperture_at] = continuous KICKER2A[x_limit] := 0.102 KICKER2A[y_limit] := 0.056 KICKER2A[aperture_at] = continuous KICKER2B[x_limit] := 0.102 KICKER2B[y_limit] := 0.056 KICKER2B[aperture_at] = continuous KICKER3[x_limit] := 0.102 KICKER3[y_limit] := 0.056 KICKER3[aperture_at] = continuous freelimit=0.045 bfree[x_limit] := freelimit bfree[y_limit] := freelimit cfree[x_limit] := freelimit cfree[y_limit] := freelimit dfree1[x_limit] := freelimit dfree1[y_limit] := freelimit dfree2[x_limit] := freelimit dfree2[y_limit] := freelimit efree1[x_limit] := freelimit efree1[y_limit] := freelimit efree2[x_limit] := freelimit efree2[y_limit] := freelimit ffree[x_limit] := freelimit ffree[y_limit] := freelimit QUAD_SHORT[x_limit] := freelimit QUAD_LONG[y_limit] := freelimit inf_x_ap = 0.009 inf_y_ap = 0.028 !MARK_CRYO_US[x_limit] := inf_x_ap !MARK_CRYO_US[y_limit] := inf_y_ap MARK_INFLECTOR_US[x_limit]:=inf_x_ap MARK_INFLECTOR_US[y_limit]:=inf_y_ap MARK_INFLECTOR_DS[x_limit]:=inf_x_ap MARK_INFLECTOR_DS[y_limit]:=inf_y_ap !call, file = x_injection.lat dr: drift, l=0.00001 backleg_start: marker backhole_x_ap = 0.06 backhole_y_ap = 0.06 backleg_start[x_limit]:= backhole_x_ap backleg_start[y_limit]:= backhole_y_ap backleg: em_field, descrip = 'injec_fld.dat', field_calc = custom, l=2.480114, & tracking_method = runge_kutta, num_steps = 100 , mat6_calc_method = tracking, ds_step=0.0001 cryo_us: em_field, descrip = 'injec_fld.dat', field_calc = custom, l=0.119886, & tracking_method = runge_kutta, num_steps = 100 , mat6_calc_method = tracking, ds_step=0.0001 inf: em_field, descrip = 'injec_fld.dat', field_calc = custom, l=1.7000, & tracking_method = runge_kutta, num_steps = 1000 , mat6_calc_method = tracking, ds_step=0.001 infa: em_field, descrip = 'injec_fld.dat', field_calc = custom, l=1.5000, & tracking_method = runge_kutta, num_steps = 1000 , mat6_calc_method = tracking, ds_step=0.001 infb: em_field, descrip = 'injec_fld.dat', field_calc = custom, l=0.200, & tracking_method = runge_kutta, num_steps = 1000 , mat6_calc_method = tracking, ds_step=0.001 inf_exit: em_field, descrip = 'injec_fld.dat', field_calc = custom, l=0.095, & tracking_method = runge_kutta, num_steps = 1000 , mat6_calc_method = tracking, ds_step=0.001 inject: line=(backleg_start,backleg, mark_cryo_us, cryo_us, mark_inflector_us, infa,infb,mark_inflector_ds) !********************************************* ! g-2 STORAGE RING !********************************************* !RING: LINE = (afree,collimator, QUAD1, bfree,collimator, KICKERS, cfree,collimator, QUAD, dfree,collimator, QUAD, efree, QUAD, ffree) RING: LINE = (afree1,tracker1,afree2, QUAD1, bfree, KICKERS, cfree, QUAD, dfree1,tracker2,dfree2, QUAD, efree1,tracker3,efree2, QUAD, ffree) inflector: drift, l=0.017 !l=1.7 !inj: line =(inflector, inj_to_ring, ring_br) !inj: line =(injinf, inj_to_ring, ring_br) inj: line = (inject, inj_to_ring, ring_br) inj_to_ring: patch, x_offset=-0.077 ring_br: fork, to_line = ring !use, RING use, inj