Title :
Global beam-based alignment method
Author_Institution :
Stanford Linear Accelerator Center, Menlo Park, CA, USA
Abstract :
This paper presents an algorithm for orbit centering in the quadrupole magnets developed specifically for the early commissioning stage of SPEAR3 light source. During commissioning many factors can reduce the effectiveness of simpler beam-based alignment techniques. Our method is more tolerant towards inaccurate optics model, undetected large alignment errors, systematic errors and faults in the BPM system.
Keywords :
accelerator magnets; beam handling techniques; commissioning; electron accelerators; particle beam diagnostics; physics computing; storage rings; BPM system; SPEAR3 light source; alignment errors; early commissioning stage; faults; global beam-based alignment method; optics model; orbit centering; quadrupole magnets; systematic errors; Computer errors; Data mining; Extraterrestrial measurements; Least squares approximation; Linear particle accelerator; Magnets; Optical propagation; Particle accelerators; Physics computing; Storage rings;
Conference_Titel :
Particle Accelerator Conference, 2003. PAC 2003. Proceedings of the
Print_ISBN :
0-7803-7738-9
DOI :
10.1109/PAC.2003.1289083
