Title :
Measurement of the resistive wall instability in the Fermilab Main Ring
Author_Institution :
Fermi Nat. Accel. Lab., Batavia, IL, USA
Abstract :
An instability disruptive to high current main ring operation is the vertical resistive wall instability. Tunes, chromaticities, and feedback loop gains must be continuously adjusted to preserve the beam intensity at injection. Results of frequency and time domain measurements aimed at understanding the sensitivity of the beam to this instability are presented. The influence of selected accelerator parameters is studied in detail. In addition, the effectiveness of various cures is reviewed.<>
Keywords :
particle beam diagnostics; proton accelerators; synchrotrons; Fermilab Main Ring; accelerator parameters; chromaticities; feedback loop gains; high current main ring operation; instability; time domain measurements; vertical resistive wall instability; Acceleration; Bandwidth; Damping; Feedback loop; Frequency measurement; Laboratories; Performance evaluation; Radio frequency; Shock absorbers; Spectral analysis;
Conference_Titel :
Particle Accelerator Conference, 1991. Accelerator Science and Technology., Conference Record of the 1991 IEEE
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-0135-8
DOI :
10.1109/PAC.1991.164767
