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EDMEDM EDM Collaboration Meeting 6-05 Jan Boissevain, P-25 June 20, 2005, Los Alamos National Laboratory EDM Reference Design.

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Presentation on theme: "EDMEDM EDM Collaboration Meeting 6-05 Jan Boissevain, P-25 June 20, 2005, Los Alamos National Laboratory EDM Reference Design."— Presentation transcript:

1 EDMEDM EDM Collaboration Meeting 6-05 Jan Boissevain, P-25 June 20, 2005, Los Alamos National Laboratory EDM Reference Design

2 EDMEDM EDM Experiment Vertical Section View Dilution Refrigerator (DR: 1 of 2) Upper Cryostat Services Port DR LHe Volume 450 Liters 3 He Polarized Source He Purifier Assembly 3 He Injection Volume Central LHe Volume (~1000 Liters) Re-entrant Insert for Neutron Guide Lower Cryostat Upper Cryostat 3He Injection Volume cosθ Magnet 5.6m

3 EDMEDM EDM Experiment Horiz. Section View 3He Injection cosθ Magnet 6.4 m 2.5 m Central Helium Volume 4 Layer μMetal Shielding

4 EDMEDM EDM Experiment Horiz. Section View 2 Light Guide Measurement Cell Ground Electrode Electric Field Return HV Generator HV Electrode Support

5 EDMEDM Ferromagnetic Shield Nesting Inner Dressing Coil Outer Dressing Coil B0 cosθ Magnet Ferromagnetic Shield Superconducting Lead Shield Gradient Magnet Coil

6 EDMEDM Ferromagnetic Shield Nesting 2 Inner Dressing Coil Outer Dressing Coil 50°K Shield 4°K Shield Superconducting Lead Shield Ferromagnetic Shield B0 cosθ Magnet Gradient Coil

7 EDMEDM HV Electrode Support HV Probe HV Return He Safety Vent Port

8 EDMEDM Helium Purifier Thermal Standoff Activated Charcoal Pump Helium Purification Volume Pure Helium Staging Volume 3 He Injection Volume

9 EDMEDM Central LHe Volume Mount Vacuum Can 50°K Shield 4°K Shield Central LHe Volume 4 Layer μMetal Shield Mount (1 of 4)

10 EDMEDM Central He Volume Mount 2 Vacuum Can 50°K Shield Mount Point 4°K Shield Mount Point Central Volume Mount Point 50°K Shield 4°K Shield

11 EDMEDM Upper/Lower Cryostat Interface Inner cosθ Dressing Coil Central Helium Volume 3 He Injection Region cosθ Coil DR 1 DR 2 Turbo Pump He Recirculation Bellows Actuators HV Generator Actuators 3He Injection Region He Safety Vent Helium Purifier Actuator Support

12 EDMEDM Upper/Lower Cryostat Interface 2 Helium Recirculation Bellows Measuring Cell Light Guide

13 EDMEDM EDM/Beam-line Interface Collimator Be Foil 4°K Shield Be Foil 50°K Shield Be/Teflon Multi- Foil Window at LHe/Vacuum Interface Measurement Cell

14 EDMEDM Upper Cryostat Installation Upper Cryostat Vacuum Can Removed, Heat Shield Side Panels Removed

15 EDMEDM EDM Experiment at SNS DR Pump Systems Fundamental Neutron Physics External Building 1000 Liter Dewar 3He Polarized Source Pump/Gas System Helium Liquefier Helium Liquefier Compressor

16 EDMEDM EDM Experiment at SNS 2 First Chopper Double Crystal Monochromator Bismuth Filter

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