Exemplos de SNS_Linac_BunchGenerator em Python

Exemplo n.º 1

Arquivo: pyorbit_sns_linac_mebt_ccl_sts.py Projeto: luxiaohan/py-orbit-code

#---- transform to pyORBIT emittance[GeV*m]
emittZ = emittZ*gamma**3*beta**2*mass
betaZ = betaZ/(gamma**3*beta**2*mass)

print " ========= PyORBIT Twiss ==========="
print " aplha beta emitt[mm*mrad] X= %6.4f %6.4f %6.4f "%(alphaX,betaX,emittX*1.0e+6)
print " aplha beta emitt[mm*mrad] Y= %6.4f %6.4f %6.4f "%(alphaY,betaY,emittY*1.0e+6)
print " aplha beta emitt[mm*MeV] Z= %6.4f %6.4f %6.4f "%(alphaZ,betaZ,emittZ*1.0e+6)

twissX = TwissContainer(alphaX,betaX,emittX)
twissY = TwissContainer(alphaY,betaY,emittY)
twissZ = TwissContainer(alphaZ,betaZ,emittZ)

print "Start Bunch Generation."
bunch_gen = SNS_Linac_BunchGenerator(twissX,twissY,twissZ)

#set the initial kinetic energy in GeV
bunch_gen.setKinEnergy(e_kin_ini)

#set the beam peak current in mA
bunch_gen.setBeamCurrent(50.0)

#bunch_in = bunch_gen.getBunch(nParticles = 20000, distributorClass = WaterBagDist3D)
bunch_in = bunch_gen.getBunch(nParticles = 20000, distributorClass = GaussDist3D)
#bunch_in = bunch_gen.getBunch(nParticles = 20000, distributorClass = KVDist3D)

print "Bunch Generation completed."

#set up design
accLattice.trackDesignBunch(bunch_in)

Exemplo n.º 2

Arquivo: sns_linac_modified_lattice_tracking_test.py Projeto: yunluo0921/examples

betaZ = betaZ / (gamma**3 * beta**2 * mass)

print " ========= PyORBIT Twiss ==========="
print " aplha beta emitt[mm*mrad] X= %6.4f %6.4f %6.4f " % (alphaX, betaX,
                                                            emittX * 1.0e+6)
print " aplha beta emitt[mm*mrad] Y= %6.4f %6.4f %6.4f " % (alphaY, betaY,
                                                            emittY * 1.0e+6)
print " aplha beta emitt[mm*MeV] Z= %6.4f %6.4f %6.4f " % (alphaZ, betaZ,
                                                           emittZ * 1.0e+6)

twissX = TwissContainer(alphaX, betaX, emittX)
twissY = TwissContainer(alphaY, betaY, emittY)
twissZ = TwissContainer(alphaZ, betaZ, emittZ)

print "Start Bunch Generation."
bunch_gen = SNS_Linac_BunchGenerator(twissX, twissY, twissZ)

#set the initial kinetic energy in GeV
bunch_gen.setKinEnergy(e_kin_ini)

#set the beam peak current in mA
bunch_gen.setBeamCurrent(38.0)

bunch_in = bunch_gen.getBunch(nParticles=100000,
                              distributorClass=WaterBagDist3D)
#bunch_in = bunch_gen.getBunch(nParticles = 100000, distributorClass = GaussDist3D)
#bunch_in = bunch_gen.getBunch(nParticles = 10000, distributorClass = KVDist3D)

print "Bunch Generation completed."

#set up design

Exemplo n.º 3

Arquivo: pyorbit_parmila_bechmark.py Projeto: yunluo0921/examples

print " aplha beta emitt X=", alphaX, betaX, emittX
print " aplha beta emitt Y=", alphaY, betaY, emittY
print " aplha beta emitt Z=", alphaZ, betaZ, emittZ

twissX = TwissContainer(alphaX, betaX, emittX)
twissY = TwissContainer(alphaY, betaY, emittY)
twissZ = TwissContainer(alphaZ, betaZ, emittZ)

xal_emittZ = emittZ / (gamma**3 * beta**2 * mass)
xal_betaZ = betaZ * (gamma**3 * beta**2 * mass)
print "XAL Twiss Longitudinal parameters alpha=", alphaZ, " beta=", xal_betaZ, " emittZ =", xal_emittZ
print "==============================================="

print "Start Bunch Generation."
bunch_gen = SNS_Linac_BunchGenerator(twissX, twissY, twissZ)

#set the beam peak current in mA
bunch_gen.setBeamCurrent(38.0)

bunch_in = bunch_gen.getBunch(nParticles=200000,
                              distributorClass=WaterBagDist3D)

bunch_gen.dumpParmilaFile(bunch_in,
                          phase_init=-45.0,
                          fileName="parmila_bunch.txt")
print "Bunch Generation completed."
#set up design
accLattice.trackDesignBunch(bunch_in)

print "Design tracking completed."