! This element is the small gap between the "short" and "long" sections of each "single" electric quadrupole ! 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=0.185, wall = {superimpose = .true., thickness = 0.0005, & section={type=wall_start, s = 0, v(1) = {0.07,-0.025}, v(2) = {0.07,0.025}}, & section={type=wall_end, s = dThetaQLong*radius, v(1) = {0.07,-0.025}, v(2) = {0.07,0.025}}} QUAD1_SHORT: FULLRING, angle = dThetaQShort, field_index=0.185, 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 QUAD2_SHORT: FULLRING, angle = dThetaQShort, field_index = 0.185 QUAD2_LONG: FULLRING, angle = dThetaQLong, field_index=0.185 QUAD3_SHORT: FULLRING, angle = dThetaQShort, field_index = 0.185 QUAD3_LONG: FULLRING, angle = dThetaQLong, field_index=0.185 QUAD4_SHORT: FULLRING, angle = dThetaQShort, field_index = 0.185 QUAD4_LONG: FULLRING, angle = dThetaQLong, field_index=0.185 QUAD: LINE = (QUAD_SHORT, QFREE, QUAD_LONG)