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AGS/Booster Status

Haixin Huang. May 13, 2014 Time Meeting. AGS/Booster Status. Status. Higher EBIS input since last Thursday, which resulted higher RHIC fill intensity than last two weeks.

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AGS/Booster Status

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  1. HaixinHuang May 13, 2014 Time Meeting AGS/Booster Status

  2. Status • Higher EBIS input since last Thursday, which resulted higher RHIC fill intensity than last two weeks. • Further reduction of emittance by changing chromaticty has resulted slightly higher polarization. About 69% has been reached with 2.2*1011 bunch intensity. • Vary Booster input from 4 to 8*1011 and maintain the AGS late as 2*1011. Polarization and emittance were measured. There were no difference in the polarization and horizontal emittance, but the vertical emittance is reduced by about 10-15%. Probably source polarization is lower with higher intensity. Will repeat emittance measurement with eIPM. • Vertical emittance has been measured by the newly installed eIPM. • This week, we will do more eIPM commissioning, in addition to polarization profile and ramp measurements. • He3 bunch merge setup next week. NSRL will be off. Haixin Huang

  3. Vertical Emittance is 10-15% with 8*1011 Input Haixin Huang

  4. First eIPM Vertical Emittance Measured at AGS Injection with Proton Beam Done by Roger Connolly, Steve Tepikian, Rob Michnoff, Steve Jao and many others. Haixin Huang

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