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MICE Absorber and Test Cryostat. MICE Meeting at CERN March-29, 2004. Shigeru Ishimoto (KEK) Shoji Suzuki (KEK) Edgar Black (IIT) Mary Anne Cummings (NIU). Photo KEK March-28, 2002. (1) MICE Absorber Present Status (2) MICE Absorber Test Process and Test Cryostat
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MICE Absorber and Test Cryostat MICE Meeting at CERN March-29, 2004 Shigeru Ishimoto (KEK) Shoji Suzuki (KEK) Edgar Black (IIT) Mary Anne Cummings (NIU) Photo KEK March-28, 2002 (1) MICE Absorber Present Status (2) MICE Absorber Test Process and Test Cryostat (3) LH2 Level Sensor and Thermometers
Stay Off Lines L-H2 Level Sensors New H2 Monitor Flanges
MICE Absorber March-24, 2004
MICE Absorber Test Flange March-24, 2004
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
Detail Test Process (3) At US/FNAL Pressure Test at room temperature KEK (1) Pressure Test at room temperature with Dummy Windows (2) Pressure Test with Dummy Windows & 20 K gas-He (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 RAL (6) Pressure Test at room temperature (7) Cooling Test W/gas-He (8) Cooling Test W/L-H2
MICE Absorber Test Cryostat (Plan)
MICE Absorber Test Cryostat (Plan)
LH2 Level Sensor and Thermometers CX-1050SD
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” Resistance Thermometer T = TB+ dT, R = RB+ dR Level Monitor by Resistance Thermometer with high current I ~ 10 x INORMAL Liquid Level T = TB , R = RB
Calibration of LH2 Level Sensor x5 Down parts are for the Solid H2 Target
Wiring and Connecters Thermometers and Level Sensor in LH2 32 pin Connecter on KF40 Thermometers in Vacuum 32 pin Connecter (1 of 2) on KF40
Wiring and Connecters ( I ) Thermometers and Level Sensor in LH2 LH2
Wiring and Connecters ( II ) vacuum(CX-1050SD except “LH2 TOP”) Thermometers in Vacuum
Summary • MICE absorber(No.1) will arrive soon. • 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.
Wiring and Connecters Thermometers and Level Sensor in LH2 LH2 Thermometers in Vacuum