4K Wave Cold in both rings PS gave us e-lens PS work during Day PP12 lattice test evening First Collisions Overnight Stores 109x109 Start Physics The Story.

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Presentation transcript:

4K Wave Cold in both rings PS gave us e-lens PS work during Day PP12 lattice test evening First Collisions Overnight Stores 109x109 Start Physics The Story So Far

6 hour stores with tune between LIPA Maintenance LIPA Maintenance 8hr StoresAPEX Inject =200e11

PS supply issues: Power dips ~ 6 am every morning. Loosing beam in yellow on accramp due to tune swing crossing 7/10 th Eventually went back to below 0.7 for Yellow at injection Problems getting through rotator ramp with higher intensity Solved adjusting Yellow tunes on rotator ramp And masking rotator BLMs that were redundant Tried tune bump at gg381 and gg422 for Blue went too low  Tried Horizontal tune bump in both rings yellow worked. Blue we had to settle for mini-bump to at gg381 and gg422. Past week Problems

Past week's Successes Reaching Luminosity records:  Getting much more beam to store.

Future Plans Considering revert to FY12 Lattice during Thursday: Decide this at machine meeting today. Come back from Maintenance on Weds put one store up with current lattice then Thursday during day make switch. Two weeks hence during Maintenance swap PS for yellow phase shifters.