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Berkeley Lab, May 24 2007Bertrand H.J. Biritz1/16 Outline RHIC and STAR STAR Time of Flight (TOF) High and Low Voltage Power Supply Control Interface Daya.

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Presentation on theme: "Berkeley Lab, May 24 2007Bertrand H.J. Biritz1/16 Outline RHIC and STAR STAR Time of Flight (TOF) High and Low Voltage Power Supply Control Interface Daya."— Presentation transcript:

1 Berkeley Lab, May 24 2007Bertrand H.J. Biritz1/16 Outline RHIC and STAR STAR Time of Flight (TOF) High and Low Voltage Power Supply Control Interface Daya Bay Detector Physics of Interest PMT testing system: Single Photo-electrons (SPE) Layout Result

2 Berkeley Lab, May 24 2007Bertrand H.J. Biritz2/16 Relativistic Heavy Ion Collider (RHIC)

3 Berkeley Lab, May 24 2007Bertrand H.J. Biritz3/16 Solenoidal Tracker at RHIC (STAR) TOF

4 Berkeley Lab, May 24 2007Bertrand H.J. Biritz4/16 TOF System Multi-gap Resistive Plate Chamber (MRPC) was developed by CERN US and China did R&D on the detector MRPC modules produced in China and TOF tray assembled in US Completion date: 2009 UCLA’s responsibility High/Low Voltage Power Supplies Control Interface for Power Supplies

5 Berkeley Lab, May 24 2007Bertrand H.J. Biritz5/16 Power Supplies High Voltage: CAEN SY1527LC:  8kV @ 200  A per Channel, 12 Channels Total (19.2 W) Experimental Physics and Industrial Control System (EPICS) Interface Low Voltage: Wiener PL512: 8V @ 20A per Channel, 12 Channels Per Crate, 10 crates (19.2kW) LabVIEW Interface for 2007 Run Eventually in EPICS as well

6 Berkeley Lab, May 24 2007Bertrand H.J. Biritz6/16 HV EPICS

7 Berkeley Lab, May 24 2007Bertrand H.J. Biritz7/16 LV LabVIEW

8 Berkeley Lab, May 24 2007Bertrand H.J. Biritz8/16

9 Berkeley Lab, May 24 2007Bertrand H.J. Biritz9/16 Daya Bay 3 GW th give 17.5 GW th in 2010

10 Berkeley Lab, May 24 2007Bertrand H.J. Biritz10/16 Daya Bay Detector & Signal  + p  D +  (2.2 MeV) (delayed, 30-40  s)  + Gd  Gd*  Gd +  ’s (8 MeV) (delayed, 30-40  s) 0.3 b 49,000 b  +  2  (1.2 MeV) (prompt)

11 Berkeley Lab, May 24 2007Bertrand H.J. Biritz11/16 Physics of Interest

12 Berkeley Lab, May 24 2007Bertrand H.J. Biritz12/16 Physics of Interest Continued

13 Berkeley Lab, May 24 2007Bertrand H.J. Biritz13/16 PMT Test StandPMT Test Stand (schematically)

14 Berkeley Lab, May 24 2007Bertrand H.J. Biritz14/16 PMT Test Stand PMT LED DAQ LabVIEW Steel Box

15 Berkeley Lab, May 24 2007Bertrand H.J. Biritz15/16 Single Photo-electron gain = 1.88 x 10 7 25 fC/bin QADC bins Count

16 Berkeley Lab, May 24 2007Bertrand H.J. Biritz16/16 THANK YOU


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