1. Collab 4/15/04 #1 EDMEDM UIUC meeting 12/3/2004 Walter Sondheim, P-25, Los Alamos for presentation to The EDM Collaboration UIUC meeting, Urbana, IL UCN storage/lifetime tests run at LANSCE

2. Collab 4/15/04 #2 EDMEDM UCN lifetime measurement Current status of EDM beamline: EDM gate valve, released to shop for fabrication. EDM/UCN switcher, release to shop for fabrication (2) EDM test chamber, moved into Area-B, lid removed for inspection. A Helitran pump has been identified for cooling acrylic trap. A Cryotorr pump and gate valve are available to connect to the test chamber, along with a scroll pump. All other beamline components are in the “design” stage.

3. Collab 4/15/04 #3 EDMEDM View of UCN experiment UCN beam height 108 in. from floor B4 shield block, 60in. H. x 32in. x 72in.

4. Collab 4/15/04 #4 EDMEDM Plan view of UCN experiment Pre-polarizer magnet AFP magnet SCS spectrometer magnet All three magnets shown Are superconducting

5. Collab 4/15/04 #5 EDMEDM EDM test chamber on UCN beamline Chamber is 40 in. dia. X 36 in. height, 4-32 in. flanges with 23.5in dia. ports. 8 in. dia. Acrylic Tube, with diamond coating, UCN trap UCN trap-door Direction of beam

6. Collab 4/15/04 #6 EDMEDM LANSCE, exp. Area-B, UCN source Experimental area-B is 78ft L x 60ft W x 23ft H Liquid Helium cryogenic facility UCN source UCN lifetime Test chamber

7. Collab 4/15/04 #7 EDMEDM EDM beamline components EDM switchEDM valve EDM switch-2, now a shutter 40 in

8. Collab 4/15/04 #8 EDMEDM ARS model 3B Heli-tran, open cycle cryo. system

9. Collab 4/15/04 #9 EDMEDM Cryo-Torr-8 Water vapor – 4,000 l/sec, Air – 1,500 l/sec, H2 – 2,500 l/sec

10. Collab 4/15/04 #10 EDMEDM Area – B at LANSCE

11. Collab 4/15/04 #11 EDMEDM Area – B at LANSCE

12. Collab 4/15/04 #12 EDMEDM UCN guide switch, exploded view

13. Collab 4/15/04 #13 EDMEDM UCN Gate Valve

14. Collab 4/15/04 #14 EDMEDM Area – B at LANSCE

15. Collab 4/15/04 #15 EDMEDM Tasks Needed.... There are a number of tasks needed in order to accept UCNs into the test chamber:. Locate operational Helitran. Finalize length of beam flight path, between test cell/trap and gate valve. Develop design for new simple switch – obtain a 6” Conflat cross. Quartz UCN beam guides with diamond coating. Scroll pump to evacuate test chamber and beamline. Electrical isolation from UCN beamline. Possible additional tasks yet to be defined.....