February 8-9, 2008

EDM Collaboration Meeting at Arizona State University

Attendance: Ricardo Alarcon (Arizona State), Septimiu Balascuta (Arizona State), Larry Bartoszek (Bartoszek Engineering/Illinois), Doug Beck (Illinois), Jan Boissevain (Caltech), Herbert Breuer (Maryland), Matthew Busch (Duke), Vince Cianciolo (ORNL), Pinghan Chu (Illinois), Steve Clayton (Illinois), Martin Cooper (LANL), Brad Filippone (Caltech), Haiyan Gao (Duke), Bob Golub (NCSU), Paul Huffman (NCSU), Ernie Ihloff (MIT), Takeyasu Ito (LANL), Ameja Kolarkar (Boston U), Wolfgang Korsch (Kentucky), Ivan Logashenko (Boston U), Michael Mendenhall (Caltech), Hans-Otto Meyer (Indiana), James Miller (Boston U), Jen-Chieh (Peng), Brad Plaster (Caltech/Kentucky), John Ramsey (LANL), Bob Redwine (MIT), Lee Roberts (Boston U), Igor Savukov (LANL), Riccardo Schmid (Caltech), George Seidel (Brown), Chris Swank (NCSU), Shigeyuki Tajima (LANL), Christopher Vidal (MIT), Steve Williamson (Illinois), Quiang (Alan) Ye (Duke), Jacob Yoder (Illinois), Xiaofeng Zhu (Duke)

Collaboration Business (Martin Cooper)

a) Response to the DOE annual review

b) Impact of DOE guidance and the federal budget

c) NSF news (Brad Filippone and Doug Beck)

d) Budgetary information

e) Status of dispersing funds

f) An August agency review?

g) Preliminary engineering review

h) Teleconferences

i) The next collaboration meeting

3He transport calculations and feasibility of experimental tests (Bob Golub, George Seidel, Chris Swank)

New upper cryostat design (Jan Boissevain)

3He relaxation time (Alan (Qiang) Ye)

3He relaxation time (Jacob Yoder)

Measurement Cycle (Doug Beck)

Preliminary engineering of the main cryostat (Jan Boissevain)

FNPB-UCN building usage by nEDM (Ernie Ihloff)

Update on dressed-spin measurements with polarzied 3He in a cell (Ping-Han Chu)

Dressed spin simulations (Steven Clayton)

High voltage stability and pressurization (Josh Long)

PMT performance at 8K (Hans-Otto Meyer)

Impact of gaps in light guides (Hans-Otto Meyer)

Light guide transmission (Ameya Kolarkar)

Progress report on the dual use cryostat (Shigeyuki Tajima)

Finite element analysis of the electric field (Septimiu Balascuta)

Early preliminary engineering of the central detector region (John Ramsey)

Magnetic shielding calculations (Igor Savukov)

Magnet development (Brad Plaster)

Superconducting magnet studies (Michael Mendenhall)

vxE Monte Carlo studies (Riccardo Schmid)

Prototype magnet for the splitter-polarizer (Chris Crawford)

Central cell simulations (Vanya Logashenko)

Light guide simulations (Herbert Breuer)

Paramagnetic atom magnetometers (Dima Budker)

 

Teleconference Topics

 

4He Evaporative Purification (David Haase)

Preparations for the 3He injection test (Xiaofeng Zhu)

Valve progress (Steve Williamson)

UCN storage time measurement (Martin Cooper)

Specifications for the integrated tests, a second encore (Paul Huffman)

The He liquefier (Ernie Ihloff)

-scale dewar design (Brad Filippone/Jan Boissevain)

A visit to Swiss Neutronics (Geoff Greene/Rick Allen/Wolfgang Korsch)

Using the TWiki site (Vanya Logashenko)