AGS pp Status Mar. 17, 2015 Time Meeting Haixin Huang.

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Presentation transcript:

AGS pp Status Mar. 17, 2015 Time Meeting Haixin Huang

2 Status l Power Dip on Saturday around 3pm. Initially, outstanding issues were Booster cavities B3 and A6, AGS cold snake. We get reasonable polarization (>70%) with low intensity. Working on extraction. l AMS run lost Sunday operation and is making up today. NSRL operation starts tomorrow. l No plan to have Au beam for RHIC in the near future. l No resource to work on AGS polarimeter vertical motion, we can use it with slower speed (no slippery). l We worked on AGS user2 with faster ramp. We will work on JQ timing next. l The intensity for RHIC fill is increased gradually, to 2.2* l We varied the scraping ratio in the Booster to see what is the optimized settings for 2.2E11 intensity. The original settings are still the best. The AGS early tune was modified to reduce the vertical emittance at flattop is reduced by about 4%.

Haixin Huang 3 Horizontal Vertical Emittance by IPM at Flattop with RF off RF off