Phys. Rev. ST Accel. Beams 9, 053501 (2006) [7 pages]Experimental investigation of the longitudinal beam dynamics in a photoinjector using a two-macroparticle bunch
We have developed a two-macroparticle bunch to explore the longitudinal beam dynamics through various components of the Fermilab/NICADD photoinjector. Such a two-macroparticle bunch is generated by splitting the ultraviolet pulse from the photocathode drive laser. The presented method allows the exploration of radio-frequency-induced compression in the 1.625 cell radio frequency gun and the booster cavity. It also allows a direct measurement of the momentum compaction of the magnetic bunch compressor. The measurements are compared with analytical and numerical models. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevSTAB.9.053501
DOI:
10.1103/PhysRevSTAB.9.053501
PACS:
29.27.−a, 41.85.−p, 41.75.Fr
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