Phys. Rev. ST Accel. Beams 7, 123501 (2004) [7 pages]Generation of angular-momentum-dominated electron beams from a photoinjector
Y.-E Sun1 *, P. Piot2 †, K.-J. Kim1,3, N. Barov4 ‡, S. Lidia5, J. Santucci2, R. Tikhoplav6, and J. Wennerberg2 § Received 2 November 2004; published 22 December 2004 Various projects under study require an angular-momentum-dominated electron beam generated by a photoinjector. Some of the proposals directly use the angular-momentum-dominated beams (e.g., electron cooling of heavy ions), while others require the beam to be transformed into a flat beam (e.g., possible electron injectors for light sources and linear colliders). In this paper we report our experimental study of an angular-momentum-dominated beam produced in a photoinjector, addressing the dependencies of angular momentum on initial conditions. We also briefly discuss the removal of angular momentum. The results of the experiment, carried out at the Fermilab/NICADD Photoinjector Laboratory, are found to be in good agreement with theoretical and numerical models. ©2004 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevSTAB.7.123501
* Corresponding author. Electronic address: yinesun@uchicago.edu
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