Exemple #1
0
zmin = -zlim
zmax = zlim
deltaEfrac = 0.001 / 2.
eoffset = 0.1
sp = b.getSyncParticle()

xFunc = JohoTransverse(order, alphax, betax, emitlim, xcenterpos, xcentermom,
                       tailfrac, tailfac)
yFunc = JohoTransverse(order, alphay, betay, emitlim, ycenterpos, ycentermom,
                       tailfrac, tailfac)
lFunc = UniformLongDist(zmin, zmax, sp, eoffset, deltaEfrac)

nparts = 10000.

injectnode = TeapotInjectionNode(nparts, b, lostbunch, injectparams, xFunc,
                                 yFunc, lFunc)

addTeapotInjectionNode(teapot_latt, 0., injectnode)

print "===========Lattice modified ======================================="
print "New Lattice=", teapot_latt.getName(
), " length [m] =", teapot_latt.getLength(), " nodes=", len(
    teapot_latt.getNodes())

injectnode.track(paramsDict)

# dump ORBIT_MPI bunch to compare results
bunch_pyorbit_to_orbit(teapot_latt.getLength(), b, "mainbunch.dat")
bunch_pyorbit_to_orbit(teapot_latt.getLength(), lostbunch, "lostbunch.dat")
print "Stop."
Exemple #2
0
yFunc = JohoTransverse(order, alphay, betay, emitlim, ycenterpos, ycentermom)
lFunc = SNSESpreadDist(lattlength, zmin, zmax, tailfraction, sp, emean, esigma, etrunc, emin, emax, ecparams, esparams)

#====Injection and foil aperature============

xmin = xcenterpos - 0.0085
xmax = xcenterpos + 0.0085
ymin = ycenterpos - 0.0080
ymax = ycenterpos + 0.100

#=================Add the injection node and foil node==  ==============

nparts = macrosperturn
injectparams = (xmin, xmax, ymin, ymax)
injectnode = TeapotInjectionNode(nparts, b, lostbunch, injectparams, xFunc, yFunc, lFunc)
addTeapotInjectionNode(teapot_latt, 0., injectnode) 

thick = 400.0
foil = TeapotFoilNode(xmin, xmax, ymin, ymax, thick, "Foil 1")
scatterchoice = 0
foil.setScatterChoice(scatterchoice)
addTeapotFoilNode(teapot_latt,0.000001,foil)

#----------------------------------------------
# Add one black absorber collimator to act like
# an aperture
#----------------------------------------------
colllength = 0.00001
ma = 9
density_fac = 1.0
shape = 1