Recent study of beam stability in the PSR
- Los Alamos National Lab., NM (United States)
- USDOE, Washington, DC (United States)
- CEBAF, Newport News, VA (United States)
- Rutherford Appleton Lab., Chilton (United Kingdom)
A fast transverse instability with beam loss has been observed in the 800 MeV Los Alamos Pro Ring (PSR) when the injected beam intensity reaches 2 - 4 [times] 10[sup 13] protons per pulse. Previous observations in that the instability is most likely driven by electrons trapped within the proton beam. Theoretical study shown that beam leakage into the inter-bunch gap leads to electron trapping. Recent experiments were carried out by using the newly implemented pinger'' and by varying the machine transition gamma to explore further the e-p'' instability and the nature of the instability. This paper summarizes some of these recent experimental results and theoretical studies.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6480810
- Report Number(s):
- LA-UR-93-1874; CONF-930511--112; ON: DE93014473
- Country of Publication:
- United States
- Language:
- English
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