Back to Search
Start Over
Matching small β functions using centroid jitter and two beam position monitors
- Source :
- Physical Review Accelerators and Beams, Vol 23, Iss 5, p 052802 (2020), Physical review accelerators and beams 23(5), 052802 (2020). doi:10.1103/PhysRevAccelBeams.23.052802
- Publication Year :
- 2020
- Publisher :
- American Physical Society (APS), 2020.
-
Abstract
- Physical review accelerators and beams 23(5), 052802 (2020). doi:10.1103/PhysRevAccelBeams.23.052802<br />Matching to small beta functions is required to preserve emittance in plasma accelerators. The plasma wake provides strong focusing fields, which typically require beta functions on the mm-scale, comparable to those found in the final focusing of a linear collider. Such beams can be time consuming to experimentally produce and diagnose. We present a simple, fast, and noninvasive method to measure Twiss parameters in a linac using two beam position monitors only, relying on the similarity of the beam phase space and the jitter phase space. By benchmarking against conventional quadrupole scans, the viability of this technique was experimentally demonstrated at the FLASHForward plasma-accelerator facility.<br />Published by American Physical Society, College Park, MD
- Subjects :
- Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)
wake field [plasma]
measurement methods
two-beam
plasma: wake field
chromaticity
01 natural sciences
law.invention
beta function
Optics
phase space [beam]
law
Position (vector)
0103 physical sciences
ddc:530
lcsh:Nuclear and particle physics. Atomic energy. Radioactivity
Thermal emittance
DESY Lab
010306 general physics
Collider
beam position: monitoring
Jitter
Physics
010308 nuclear & particles physics
business.industry
plasma [accelerator]
accelerator: plasma
beam: phase space
Centroid
Monte Carlo [numerical calculations]
Surfaces and Interfaces
beam focusing
beam optics
Phase space
monitoring [beam position]
lcsh:QC770-798
Physics::Accelerator Physics
Physics - Accelerator Physics
Strong focusing
numerical calculations: Monte Carlo
business
Beam (structure)
Subjects
Details
- ISSN :
- 24699888
- Volume :
- 23
- Database :
- OpenAIRE
- Journal :
- Physical Review Accelerators and Beams
- Accession number :
- edsair.doi.dedup.....e6adfa4c1bd7d3d2d7aeec3506f163ff
- Full Text :
- https://doi.org/10.1103/physrevaccelbeams.23.052802