!Welcome to IMPACT-T input file. !All comment lines start with "!" as the first character of the line. ! processor layout ! col row 1 1 ! ! information needed by the integrator: ! step-size, number of steps, and number of bunches/bins (??) ! ! dt Ntstep Nbunch 1.0e-12 2000000 1 ! ! more information needed by the integrator: ! phase-space dimension, number of particles, a series of flags ! that set the type of integrator, error study, diagnostics, and ! image charge, and the cutoff distance for the image charge ! ! PSdim Nptcl integF errF diagF imchgF imgCutOff (m) 6 1 1 0 1 1 0.016 ! ! ! information about mesh: number of points in x, y, and z, type ! of boundary conditions, transverse aperture size (m), ! and longitudinal domain size (m), which should be larger than the total ! beamline element length ! ! Nx Ny Nz bcF Rx Ry Lz 64 64 64 1 0.15 0.15 1.0e5 ! ! ! distribution type number, restart flag, space-charge substep ! flag, number of emission steps, and max emission time ! ! distType restartF substepF Nemission Temission 2 0 0 35 3.5e-11 ! ! the distribution type codes have the following correspondence ! # dist type nparam parameters (1..21) ! 1 Uniform 21 sigx, sigpx, muxpx, xscale, pxscale, xmu1, xmu2, ! sigy, sigpy, muypy, yscale, pyscale, xmu3, xmu4, ! sigz, sigpz, muzpz, zscale, pzscale, xmu5, xmu6 ! 2 Gauss3 21 as in Uniform ! 3 Waterbag 21 as in Uniform ! 4 Semigauss 21 as in Uniform ! 5 KV3d 21 as in Uniform ! 16 read 21 none ! 24 read in Parmela particles 21 ! 25 read in Elegant particles 21 ! 27 Uniform cylinder with initial current modulation 21 ! ijk Combined function distribution ! following three lines contain a total of 21 parameters (seven ! per degree of freedom) particular to the particle distribution ! ! in most cases, the columns are given by ! sig* sigp* mu*p* *scale p*scale xmu* xmu* ! 0.00 0.0 0.0 1. 1. 0.0 0. 0.00 0.0 0.0 1. 1. 0.0 0. 0.00 0.0 0.0 0. 1. 0.0 0.0014 ! ! ! information about the beam: current, kinetic energy, particle ! rest energy, particle charge, scale frequency, and initial ! cavity phase ! ! I/A Ek/eV Mc2/eV Q/e freq/Hz phs/rad 0.0 0.5 0.511005e+06 -1.0 1.3e9 0.0 ! ! ! ======= machine description starts here ======= ! the following lines, which must each be terminated with a '/', ! describe one beam-line element per line; the basic structure is ! element length, ???, ???, element type, and then a sequence of ! at most 24 numbers describing the element properties ! ! the numeric type codes have the following correspondence ! # element nparams parameters (v0..v23) ! < 0 bpm 8 ! 0 drift tube 2 zedge radius ! 1 quadrupole 9 zedge, quad grad, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! 2 constFocus 5 zedge, foc grads kx0^2, ky0^2, kz0^2, radius ! 3 solenoid 9 zedge, Bz0, fileID ! radius, alignment error x, y ! rotation error x, y, z ! 4 dipole 10 zedge, field strength x, y, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! 5 multipole 10 zedge, typeID (2=sex,3=oct,4=dec), ! field strength, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! 101 DTL 15 zedge, ... ! 102 CCDTL 11 zedge, ... ! 103 CCL 11 zedge, ... ! 104 SC cavity 11 zedge, scale, RF frequency, theta0, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! 105 SolRF 12 zedge, scale, RF frequency, theta0, fileID, ! radius, alignment error x, y ! rotation error x, y, z, ! Bz0 ! 110 EMfld 13 zedge, scale, RF frequency, theta0, fileID, ! radius, alignment error x, y ! rotation error x, y, z, ! field flag (=discrete,=analytic), ! coordinate system flag (=cart,=cyl) ! 111 EMfld cart 11 zedge, scale, RF frequency, theta0, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! 112 EMfld cyl 11 zedge, scale, RF frequency, theta0, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! 113 EMfld anal 11 zedge, scale, RF frequency, theta0, fileID, ! radius, alignment error x, y ! rotation error x, y, z ! ! L/m N/A N/A type location of starting edge v1 °°° v23 / 0.95335 10 20 105 0.0 60.0e6 1.3e9 126.6 1.0 0.1 0.0 0.0 0.0 0.0 0.0 723.41511406395 / 0.3735620E+00 100 20 103 0.6242300E-01 0.400000E+08 0.130000E+10 -0.457409E+02 0.2000E+01 0.100000E+00 / 2.0 10 20 105 -0.92425 1.0 1.3e9 280.0 3.0 0.1 0.0 0.0 0.0 0.0 0.0 -613.496916520664 /