Hall D meeting Bloomington

1
Hall D meeting Bloomington

• The FIU/ODU start counter

2
Progress since last meeting

• Fiber Test Stand finished
• Created 4 series of scintillating fibers
  .5,1,2,3,5 m
• Created 4 series of clear fibers .5,1,2,3,5 m
• Mockup of detector gluing of fishing line
• Design of fiber outlay

3
Fiber Test Stand
4
Laser Setup
5
Fibers
6
Results

• With Yag Laser attenuation length 4.7m
• Currently using a Nitrogen Laser. Problematic,
  since laser is not very amplitude stable.
  Working on this.

7
Visit to Fermilab

• Got the agreement for cassette worked out with
  FNAL. Letter to FNAL from ODU asking for a loan
  at FNAL.
• Got the drawings for He cryostat for test and
  production version. Lot of work there the test
  cryostat uses 35 l of He an hour.
• FNAL will send us lots of custom parts

8
Cryostat
9
Top of cassettes in cryostat
10
Cassette
11
Another view of cassette
12
The Boot
13
MOU status

• MOU at TJNAF for cryostat. As soon as signed,
  start work on designing modified cryostat. Dave
  Kashey at TJNAF hopefully can help.