1. 1 CKOV1 at the MICE Experiment CKOV1 to perform mu/pi id w TOF0/TOF1. Progress since CM16 CKOV1 Fabrication and Installation TOF0 CKOV1 TOF1 EMCAL TOF2 L. Cremaldi, CM17 CERN, Feb 24, 2007

2. 2 2 Threshold Aerogel Counters Aerogel Counter L. Cremaldi, CM17 CERN, Feb 24, 2007

3. 3 A B C ISIS Beam Line

4. 4 Magnetic Shielding- 2D Model 9.4% 4.6% 3.4% 3.3% 58% 48% 41% 17% B tube = 10%B Z + 60% B  B Z  g, B  <5g BZBZ BB L. Cremaldi, CM17 CERN, Feb 24, 2007

5. 5 - H20 fraction is negligible. - Tested with low energy betas. - Background may be dominated by  -rays, etc. L. Cremaldi, CM17 CERN, Feb 24, 2007

6. 6 Rate Tests L. Cremaldi, CM17 CERN, Feb 24, 2007

7. 7 Rate Tests L. Cremaldi, CM17 CERN, Feb 24, 2007

8. 8 Transistor base prototype Resistive base RCA 8854 Transistor base L. Cremaldi, CM17 CERN, Feb 24, 2007

9. 9 Transistor Base L. Cremaldi, CM17 CERN, Feb 24, 2007

10. 10 CKOV1 Electronics CAEN V1724 8 Channel 14 bit 100 MS/s FlashADC 250-500 ps  t resolution CAEN V1290 TDC 25 ps  t resolution 20 ns.div L. Cremaldi, CM17 CERN, Feb 24, 2007

11. 11 -Machining- UM -Nickel Plating -Ready in Spring '07 for light tests Light Box Assembly L. Cremaldi, CM17 CERN, Feb 24, 2007

12. 12 -Needed June/July ‘07. -Aerogel order in Mar’07 -4mo lead time? -Assembly in Mississippi -Ship to RAL in Jul ’07 Radiator Box Assembly L. Cremaldi, CM17 CERN, Feb 24, 2007

13. 13 L. Cremaldi, CM17 CERN, Feb 24, 2007 - CKOV1 Platform Design-GG -Decision should be made if RAL or US responsiblity.

14. 14 -Magnetic shields and PMT assemblies from Treste. -Mu-metal shield needs modification and re-annealing. -10 PMTs checked at Trieste before shipping to RAL. (UM) PMT + Shield Assembly L. Cremaldi, CM17 CERN, Feb 24, 2007

15. 15 Mirror Flashing Concept Mirror aluminized in 2 sections. Large Vacuum vessel.

16. 16 Mirror Fabrication CERN Facility - Andre Braem - meeting next week FNAL Facility - Eileen Hahn - Lab7 Large Vacuum Chamber- Off Line. Small Chamber- On Line. 90cm id 38cm id L. Cremaldi, CM17 CERN, Feb 24, 2007 44cm id 60cm od

17. 17 quartz fiber PM T DAQ Gate LED Pulser Non-linear Response Sensitive to LED Vapp Adequate for Monitoring Calibration of 1-Photon LEDs mounted near PMTs Pulser fanned out at CKOV1 Two BNC control lines. VME/NIM PULSER L. Cremaldi, CM17 CERN, Feb 24, 2007

18. 18 Alignment & Self Calibration - 1,2 PE most probable in PMT 1-4. - Small correlation with muon x,y. - Data 1,2 pe signals self calibrating - Some Alignment of CKOV1 by balancing PMT light yield. L. Cremaldi, CM17 CERN, Feb 24, 2007

19. 19 CKOV1 Services - 12 45m signal cables RG-58 type. 8 CKOV1 signals 2-Pulser 2 spare Should terminate at a patch panel in the Control Room. - 10 SHV type high voltage cables. - HV supply not specified yet, may start with something simple Lecroy 4032?? -4 Low voltage Monitor cables for humidity sensor, gas flow, etc -Dry air supply for mirror box or silica gel packs. - NIM Crate for Pulser and checkout. ckov1 Contr Room 45m

20. 20 CKOV1 Schedule Mar Apr May Jun Jul Aug Sep Oct ‘07 Light Box Aerogel Order Mirror Assemble PMT Check + Housing to RAL PMT Bases(FNAL) Radiator Box Mirror Assembly Nickle Plate CKOV1 Stand (RAL) Mu-metal Shield Mod(??) L. Cremaldi, CM17 CERN, Feb 24, 2007 Radiator Box

21. 21 Hardware/Software Experience TOF + CKV systems installed by hardware experts. H2 Testbeam CERN User analysis by software experts FNAL. Specialization, wave of the future! L. Cremaldi, CM17 CERN, Feb 24, 2007

22. 22 Full Scale Model of the Royal Crown L. Cremaldi, CM17 CERN, Feb 24, 2007