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Published byBeverly Henderson Modified over 8 years ago
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DEC 2013
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x / m y / m quads undulators vertical correctors chicane 1chicane 2chicane 3
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MeV non linear !!! ~ 3.5 MeV rms energy spread
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current / A bunch coordinate 1E-4 / m beam line coordinate / m Emod = 250 keV 3D Calculation
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JAN 2014 periodic SC solver (in test)
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periodic ~ 1E6 particles non-periodic 20E6 particles 1d3d X_0202p00000 250 keV Application: SK problem
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same range, same (plot) density 1d3d X_0202p00000 250 keV Application: SK problem periodic ~ 1E6 particles non-periodic 20E6 particles
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Trickle Heating tilted microbunches after LH in LCLS
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long. phase space top view energy distribution rms energy vs beamline coordinate beta functions 12.2 m in LCLS
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long. phase space top view energy distribution rms energy vs beamline coordinate beta functions 15.7 m in LCLS
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long. phase space top view energy distribution rms energy vs beamline coordinate beta functions 17.2 m in LCLS 8 keV 11 keV
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rms energy /eV beamline coordinate in LCLS 8 keV 11 keV normalized energy distribution z = 19.1 m Trickle Heating
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rms energy /eV beamline coordinate in LCLS normalized energy distribution z = 50.1 m Trickle Heating
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FEB 2014
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but again: SK setup
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162.3 m long. phase spacecurrent / A (one period) bunching R56 = 100 µm
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166.5 m long. phase spacecurrent / A bunching R56 = 100 µm (one period)
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184.5 m long. phase spacecurrent / A(one period) bunching R56 = 100 µm
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190.5 m long. phase spacecurrent / A bunching R56 = 100 µm (one period)
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long. phase space current / A bunching R56 = 141 µm 166.5 m long. phase space current / A bunching 184.5 m
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long. phase space current / A bunching R56 = 160 µm 166.5 m long. phase space current / A bunching 184.5 m
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long. phase space current / A bunching R56 = 180 µm 166.5 m long. phase space current / A bunching 184.5 m
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