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EDMEDM EDM Collaboration Meeting 3-06 Jan Boissevain, P-25 March 2, 2006 NCSU EDM Experiment Design Status.

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Presentation on theme: "EDMEDM EDM Collaboration Meeting 3-06 Jan Boissevain, P-25 March 2, 2006 NCSU EDM Experiment Design Status."— Presentation transcript:

1 EDMEDM EDM Collaboration Meeting 3-06 Jan Boissevain, P-25 March 2, 2006 NCSU EDM Experiment Design Status

2 EDMEDM Key Design Parameters 2 ea Measurement Cells 76mm x 100mm x 500mm HV Study (Mischke) Drives Helium Volume Size Magnet Field Uniformity Requirement Drives B0 Size

3 EDMEDM

4 EDMEDM

5 EDMEDM

6 EDMEDM

7 EDMEDM 3He Injection Volume (1 Liter) From 3He Source Cesium Port 4He Liquid Level Double Wall Pyrex Volume Outer 4He Volume Connected to DR Mixer

8 EDMEDM Upper Cryostat Installation

9 EDMEDM Target Cryostat Insert

10 EDMEDM Target Cryostat w/ Dressing Coils

11 EDMEDM Target Cryostat w/ Gradient Coil Added

12 EDMEDM Target Cryostat w/ B0 Magnet Added

13 EDMEDM T. Cryostat w/ Ferromagnetic Shield Added

14 EDMEDM

15 EDMEDM

16 EDMEDM Target Cryostat Hor. Section

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

18 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

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

20 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

21 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

22 EDMEDM What’s Missing Laser Ports Light Guide Solution PMTs

23 EDMEDM Engineering Concerns Target Cryostat Materials –Flange Material? SS? CuNi? –Fasteners? 3He Injection Volume –Super-fluid Film Stopper –Friendly Environment for Incoming Polarized 3He –Cesium Vaporizer

24 EDMEDM EDM Cell Lifetime Experiment

25 EDMEDM EDM Cell Lifetime Section

26 EDMEDM Upper Cryostat Test in MPF-10

27 EDMEDM Prototype Upper Cryostat

28 EDMEDM Upper Cryostat Test Section

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