Progress toward a hard x-ray insertion device beam position monitor at the Advanced Photon Source.
Long-term pointing stability at synchrotron light sources using conventional rf-based particle beam position monitoring is limited by the mechanical stability of the pickup electrode assembly. Photoemission-based photon beam position monitors for insertion device beams suffer from stray radiation backgrounds and other gap- dependent systematic errors. To achieve the goal of 500-nanoradian peak-to-peak pointing stability over a one-week period, the development of a photon beam position detector sensitive only to hard X-rays (> several keV) using copper X-ray fluorescence has been initiated. Initial results and future plans are presented.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 972592
- Report Number(s):
- ANL/ASD/CP-59554; TRN: US1001637
- Resource Relation:
- Conference: Particle Accelerator Conference (PAC07); Jun. 25, 2007 - Jun. 29, 2007; Albuquerque, NM
- Country of Publication:
- United States
- Language:
- ENGLISH
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