Go to the U of M home page
School of Physics & Astronomy
Assay and Acquisition of Radiopure Materials

User Tools

Trace:
groups:tankwhite

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
groups:tankwhite [2010/05/15 14:46] – karakeetergroups:tankwhite [2010/05/15 14:58] (current) – karakeeter
Line 15: Line 15:
 1. Are we still using a 2-meter diam. sphere surrounded by the hallway and toroid?\\ 1. Are we still using a 2-meter diam. sphere surrounded by the hallway and toroid?\\
 2. A 2-meter diam. sphere = 922 gal. (imperial) = 1,107 gal. (U.S.)\\ 2. A 2-meter diam. sphere = 922 gal. (imperial) = 1,107 gal. (U.S.)\\
- +a. I think Canada uses imperial.\\ 
-        a. I think Canada uses imperial.\\ +b. I think Petresa uses 50-gallon barrels.\\ 
-        b. I think Petresa uses 50-gallon barrels.\\ +c. Assume 1,000 gallons @ $500 per 50-gallon drum\\
-        c. Assume 1,000 gallons @ $500 per 50-gallon drum\\+
  
 === iii. Cost: $10,000 === === iii. Cost: $10,000 ===
Line 25: Line 24:
 ==== b. Nylon bag ==== ==== b. Nylon bag ====
  
-=== i. Borexino CTF nylon provided by Bayer Chemical which is now Lanxess.  I am still trying to get through to a representative, I’ve talked to the secretary of the CEO and I’ve left numerous voice mail messages at the number she gave me. === +=== i. Company:  Lanxess.com ===
-=== ii. Company:  Lanxess.com ===+
  
-1. Durethane, semi-crystalline\\ +1. Borexino CTF nylon provided by Bayer Chemical which is now Lanxess.  I am still trying to get through to a representative, I’ve talked to the secretary of the CEO and I’ve left numerous voice mail messages at the number she gave me.\\ 
-2. Sales rep for that division: Brendan Dooley (412) 809-3545\\ +2.      Durethane, semi-crystalline\\ 
-3. President or CEO of company: Randy Dearth (412) 809-3600 (reaches a secretary or assistant who gave contact info for Brendan Dooley)\\+3.      Sales rep for that division: Brendan Dooley (412) 809-3545\\ 
 +4. President or CEO of company: Randy Dearth (412) 809-3600 (reaches a secretary or assistant who gave contact info for Brendan Dooley)\\
  
 === iii. Cost: $500,000 - $1,000,000 (according to Cristian) === === iii. Cost: $500,000 - $1,000,000 (according to Cristian) ===
Line 42: Line 41:
 === i. Under development by UCLA and Hamamatsu === === i. Under development by UCLA and Hamamatsu ===
  
-=== ii. Contact person: Katsushi Arisaka === +1.      Contact person: Katsushi Arisaka\\ 
- +2.      $5,000 per detector\\ 
-=== iii. $5,000 per detector === +3.      Does not include Borexino-type light concentrator, which may not be required with lower radioactivity of QUPIDs (can be positioned closer to fiducial volume)\\
- +
-=== iv. Does not include Borexino-type light concentrator, which may not be required with lower radioactivity of QUPIDs (can be positioned closer to fiducial volume) ===+
  
 === v. How many QUPIDs are required? === === v. How many QUPIDs are required? ===
Line 59: Line 56:
 ==== b. Electronics ==== ==== b. Electronics ====
  
-=== i. Katsushi has a cost estimate for a readout chain (HV power supply, pre-amp, ADC) of $2,000 / channel.  I have his design along with the models and specs which was sent out to the MAX collaboration, but I’m not sure if that is privileged information since it is still under development at UCLA. ===+=== i. Cost: 100 readout channels @ $2,000 ea. = $200,000 ===
  
-=== ii. Cost: 100 readout channels @ $2,000 ea. = $200,000 ===+1.      Katsushi has a cost estimate for a readout chain (HV power supply, pre-amp, ADC) of $2,000 / channel.\\   
 +2.      I have his design along with the models and specs which was sent out to the MAX collaboration, but I’m not sure if that is privileged information since it is still under development at UCLA.\\
  
 ==== c. Support structure and outer vessel ==== ==== c. Support structure and outer vessel ====
  
-=== i. We need some sort of support structure for QUPIDs (QSUP) even though we want to minimize the amount of materials within the “inner sanctum.” ===+=== i. Support structure for QUPIDs ===
  
-=== ii. The detectors would of course surround the fiducial volume of LAB, and could be in an outer “layer” of LAB or water, enclosed perhaps by another nylon bag a la Borexino CTF. ===+1.      We need some sort of support structure for QUPIDs (QSUP) even though we want to minimize the amount of materials within the “inner sanctum."\\
  
-=== iii. If we take the upper estimate for the fiducial volume nylon bag above, i.e., $1M, then maybe we just need to add in the cost of a QSUP. ===+2.      The detectors would of course surround the fiducial volume of LAB, and could be in an outer “layer” of LAB or water, enclosed perhaps by another nylon bag a la Borexino CTF.\\ 
 + 
 +3.      If we take the upper estimate for the fiducial volume nylon bag above, i.e., $1M, then maybe we just need to add in the cost of a QSUP.\\
  
 === iv. Cost: ??? === === iv. Cost: ??? ===
Line 81: Line 81:
 ==== b. Cristian estimates that it would take 2-3 technicians about 6 months to assemble the nylon bag. ==== ==== b. Cristian estimates that it would take 2-3 technicians about 6 months to assemble the nylon bag. ====
  
-V. Personnel\\ +===== V. Personnel ===== 
-a. 3 technicians working in a class-100 clean room environment (Princeton?) for 6 months\\ + 
-b. (Technician? Student(s)?) assembling QSUP\\ +==== a. 3 technicians working in a class-100 clean room environment (Princeton?) for 6 months ==== 
-c. Postdoc(?) working on electronics\\ + 
-d. Postdoc or student working on characterization and purity of LS cocktail\\ +==== b. (Technician? Student(s)?) assembling QSUP ==== 
-e. ???\\+ 
 +==== c. Postdoc(?) working on electronics ==== 
 + 
 +==== d. Postdoc or student working on characterization and purity of LS cocktail ==== 
 + 
 +==== e. ??? ====
  
groups/tankwhite.1273952788.txt.gz · Last modified: 2010/05/15 14:46 by karakeeter

Page Tools