1. Photo KEK March-28, 2002 MICE Absorber and Test Cryostat Shigeru Ishimoto (KEK) Shoji Suzuki (KEK) Edgar Black (IIT) Mary Anne Cummings (NIU) (1) MICE Absorber Present Status (2) MICE Absorber Test Process and Test Cryostat (3) LH2 Level Sensor and Thermometers MICE Meeting at CERN March-29, 2004

2. MICE Absorber Present Status

3. MICE Absorber

6. L-H2 Level Sensors Stay Off Lines H2 Monitor Flanges New

7. MICE Absorber March-24, 2004

8. MICE Absorber Test Flange March-24, 2004

9. MICE Absorber Test Process and Test Cryostat

10. MICE Absorber Test Process 3-5 Bodies by (KEK) 6-10 Windows by (USA) 20K Gas-He Test at (KEK) Test check absorbers & assemble in MICE at RAL L-H2 Test at MTA with a Spare Body and Windows

11. Detail Test Process KEK (1) Pressure Test at room temperature with Dummy Windows (2) Pressure Test with Dummy Windows & 20 K gas-He (3) At US/FNAL Pressure Test at room temperature RAL (6) Pressure Test at room temperature (7) Cooling Test W/gas-He (8) Cooling Test W/L-H2 (4) Pressure Test at rum temperature with Windows (5) Pressure Test W/gas He at 20K temperature with Windows At KEK (or FNAL) (2)&(5) Needs Test Cryostat (A) Test Cryostat at MTA  L-H2 Test (B) New Horizontal Test Cryostat  Cold gas-He Test

12. MICE Absorber Test Cryostat (Plan)

13. MICE Absorber Test Cryostat (Plan)

14. MICE Absorber Test Cryostat (Plan)

15. LH2 Level Sensor and Thermometers

16. CX-1050SD LH2 Level Sensor and Thermometers

17. LH2 Level Sensor Needs LH2 Level Monitor - Cooling Experiment - Operation Requirement - Safety Requirement No Space for Capacitance Level Sensor (AMI) D= 1/2”, L > 5” Level Monitor by Resistance Thermometer with high current I ~ 10 x I NORMAL T = T B +  T, R = R B +  R T = T B, R = R B Liquid Level Resistance Thermometer

18. Calibration of LH2 Level Sensor x5 Down parts are for the Solid H2 Target

19. Thermometers and Level Sensor in LH2 Thermometers in Vacuum Wiring and Connecters 32 pin Connecter on KF40 32 pin Connecter (1 of 2) on KF40

20. Thermometers and Level Sensor in LH2 LH2 Wiring and Connecters ( I )

21. Thermometers in Vacuum Wiring and Connecters ( II ) vacuum (CX-1050SD except “LH2 TOP”)

22. Summary (1)MICE absorber(No.1) will arrive soon. (2)Horizontal test cryostat will be designed and fabricated at KEK. (3) MICE absorbers will be tested at KEK W/ cold gas-He at 10-20K. (4) MICE absorbers will be shipped to RAL with sensors and real windows (ready to use).  PROPOSE (5) L-H2 test at FNAL/MTA with a spear MICE absorber.  PROPOSE (6) Thermometers/LH2 level sensors and wiring/connecters are existing.

23. Thermometers and Level Sensor in LH2 Thermometers in Vacuum Wiring and Connecters LH2