Preservation of Beam Emittance in the Presence of Ion Motion in Future High-Energy Plasma-Wakefield-Based Colliders
Journal Article
·
· Physical Review Letters
- University of Southern California, Los Angeles, California 90089 (United States)
- Duke University, Durham, North Carolina 27708 (United States)
- University of California, Los Angeles, California 90095 (United States)
The preservation of beam quality in a plasma wakefield accelerator driven by ultrahigh intensity and ultralow emittance beams, characteristic of future particle colliders, is a challenge. The electric field of these beams leads to plasma ions motion, resulting in a nonlinear focusing force and emittance growth of the beam. We propose to use an adiabatic matching section consisting of a short plasma section with a decreasing ion mass to allow for the beam to remain matched to the focusing force. We use analytical models and numerical simulations to show that the emittance growth can be significantly reduced.
- OSTI ID:
- 21410715
- Journal Information:
- Physical Review Letters, Vol. 104, Issue 15; Other Information: DOI: 10.1103/PhysRevLett.104.155001; (c) 2010 The American Physical Society; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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