| Paper |
Title |
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| TUP59 |
Extraction of High Charge Electron Bunch from the ELSA RF Injector - Comparison Between Simulation and Experiment
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402 |
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- J. Lemaire, P. Balleyguier, A. Binet, J.M. Lagniel, V. Le Flanchec, N. Pichoff
CEA/DAM, Bruyères-le-Châtel
- R. Bailly-Salins, M. Millerioux, Chr. Quine
CEA/DIF/DPTA/SP2A, Bruyeres-le-Chatel
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A new scheme based on a photoinjector and a RF linear accelerator operating at 352 MHz has been recently proposed as a versatile radiographic facility. Beam pulses of 60 ns duration contain 20 succesive electron bunches which will be extracted at 2.5 MeV from a photoinjector then accelerated through the next structure to the final energy of 51 MeV. Bunches carrying 100 nC are required for this purpose. As a first demonstrating step, 50 nC electron bunches have been produced and accelerated to 2.5 MeV with the 144 MHz ELSA photoinjector at Bruyères le Chatel. For this experiment, we compare the results and the numerical simulations made with PARMELA, MAGIC and MAFIA codes.
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| TUP93 |
Results of a 3D-EM-Code Comparison on the TRISPAL Cavity Benchmark
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495 |
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- P. Balleyguier
CEA/DAM, Bruyères-le-Châtel
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Several 3D electromagnetic codes (MAFIA, CST MicroWave-Studio, Vector-Fields Soprano, Ansoft HFSS, SLAC Omega3P) have been tested on a 2-cell cavity benchmark. Computed frequencies and Q-factors were compared to experimental values measured on a mock-up, putting the emphasis on the effect of coupling slots. It comes out that MAFIA limitations due to the staircase approximation is overcome by all other codes, but some differences still remain for losses calculations in re-entrant corners
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