liquid target system for new tpc experiment
Post on 02-Jan-2016
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Liquid target system for New TPC experiment
•System•Target cell•Performance in test experiment•Plan for next experiment•Perspective
L.T. System
CFRP (1mm)
Target
~500 mm145 mm
40 mm
33 m
m
25mm
Kapton Cell
Target stage
Temperature sensor (Cernox)
Target Cell (Kapton 125 um)Nagai manufacturing Co.,Ltd.( www.nagai-mfg.co.jp )Plastic molding, etc.
Leak test (2 atm) using N2 gas.
Shielding
Operation
• 145 mm long target cell
Filled gas with 1.35 atm using default preserver tank (120x6 litter)
• Temperature controll (Lake Shore)
set requested temperature
The heat voltage is controlled automatically.
17K15.8K
Test (Hydrogen)
For next experiment
100 mm longer
TargetCollimatorHole 31.7x24 mm
2 T
T=3 GeV, N=105, (x,y)=(8mm,4mm)
(In&Out&Upbar)No LH2 3 No buffer 11LH2 12
33x25 mm
Setup
(100)3 mm
Further
• Helium 4
The liquidized was achieved using copper cell at Suzuki co.
R&D for the target cell
Kapton Aramid, etc.
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