Comments on Injector Proton Beam Study in Run 2014
- Brookhaven National Lab. (BNL), Upton, NY (United States). Collider-Accelerator Dept.
During the entire period of injector proton study in run 2014, it seems that the beam transverse emittance out of Booster is larger than that in run 2013. The emittance measured at the BtA transfer line and also the transmission from Booster late to AGS late are presented for this argument. In addition to this problem, it seems that the multiturn Booster injection, which defines the transverse emittance, needs more attention. Moreover, for high intensity operations, the space charge effect may be already relevant in RHIC polarized proton runs. With the RHIC proton intensity improvement in the next several years, higher Booster input intensity is needed, therefore, the space charge effect at the Booster injection and early ramp may become a new limiting factor.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States). Alternating Gradient Synchrotron
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1162167
- Report Number(s):
- BNL--106264-2014-IR; BNL--C-A/AP/530; KB0202011
- Country of Publication:
- United States
- Language:
- English
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