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Stony Brook Update Bill and Ted’s Excellent Adventure

Stony Brook Update Bill and Ted’s Excellent Adventure. Excellent!!!. T.K. Hemmick for the Wyld Stallions. Bill S. Preston, Esq. Cosmics seen on all stacks. Gain varies a lot: 2000 – 12000 P/T not corrected. Vlad setting gain balance. Operates stably. Only 5 trips in 10 days. Cube works:

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Stony Brook Update Bill and Ted’s Excellent Adventure

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  1. Stony Brook UpdateBill and Ted’s Excellent Adventure Excellent!!! T.K. Hemmick for the Wyld Stallions

  2. Bill S. Preston, Esq. • Cosmics seen on all stacks. • Gain varies a lot: • 2000 – 12000 • P/T not corrected. • Vlad setting gain balance. • Operates stably. • Only 5 trips in 10 days. • Cube works: • Alphas seen. • 55Fe seen. • Scintillation light seen. • Bob is analyzing data. • Bill works! FORWARD REVERSE

  3. Scintillation Cube studies: • First Fe spectrum seen. • Photo-electron signals seen. • Absolute reference for photo-sensitivity. Spectralon Diffuse UV Reflector 241Am Semi-collimated SBD a-Trigger a 55Fe

  4. Bill Delivered on November 6 • Delivery was very smooth. • Additional delay due to source inside. • Once the detector arrived in the hall, installation to PHENIX was fast.

  5. Ar Flow = 2.5slpm 11/7 [H2O]=30ppm O2 H2O 11/7 [H2O]=3.0ppm 11/10[H2O]=17ppm 11/10 [H2O]=3.5ppm

  6. Ted Theodore Logan • Contaminants good: • < 13 ppm water. • ~3 pm oxygen. • HV applied to all 10 stacks: • 6 stacks perfect on 1st Voltage. • 3 stacks drew initial current but “burned”. • 1 stack has shorted strip • 4-North • 1/280 of active area. • After resistor swap sees cosmics • Ready 1st week December.

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