| Paper |
Title |
Page |
| MOP46 |
Experimental Investigation of the Longitudinal Beam Dynamics in a Photo-Injector using a Two-Macroparticle Bunch
|
147 |
| |
- R. Tikhoplav, A.C. Melissinos
Rochester University, Rochester, New York
- N. Barov, D. Mihalcea
Northern Illinois University, DeKalb, Illinois
- P. Piot
FNAL, Batavia, Illinois
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| |
We have developed a two-macroparticle bunch to explore the longitudinal beam dynamics through various component of the Fermilab/NICADD photoinjector laboratory. Such a two-macroparticle bunch is generated by splitting the photocathode drive laser impinging the photocathode. The presented method allows the exploration of rf-induced compression in the 1+1/2 cell rf-gun and in the 9-cell TESLA cavity. It also allows a direct measurement of the magnetic chicane bunch compressor parameters such as its momentum compaction. The measurements are compared with analytical and numerical models. Finally we present possible extension of the technique to investigate the transverse beam dynamics.
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| TUP48 |
Progress Report on the Flat Beam Experiment at the Fermilab/Nicadd Photoinjector Laboratory
|
378 |
| |
- Y.-E. Sun, K.-J. Kim
Chicago University, Chicago, Illinois
- N. Barov
Northern Illinois University, DeKalb, Illinois
- K. Desler
DESY, Hamburg
- H. Edwards, P. Piot, J. Santucci, J. Wennerberg
FNAL, Batavia, Illinois
- M. Huening
Fermilab, Batavia, Illinois
- S. Lidia
LBNL/AFR, Berkeley, California
- R. Tikhoplav
Rochester University, Rochester, New York
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| |
We report on our present progress toward the investigation on the generation of flat beam from an incoming angular-momentum-dominated beam, along with the associated diagnostics development. We focus on the evolution of the four-dimensional beam matrix upstream and downstream of the round-to-flat beam transformer. Finally we compare our latest experimental results with numerical and analytical models.
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