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Agenda for LC Muon Detector Studies Mtg Black Hole Tues. Aug. 5 12:30 – 14:00

Agenda for LC Muon Detector Studies Mtg Black Hole Tues. Aug. 5 12:30 – 14:00. Parts for the prototype planes. 15 min. Gene Fisk MAPMT FE electronics/cal. 15 min. Paul Karchin 10 min. Mani Tripathi Readout Options: MINOS 15 min. Adam Para

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Agenda for LC Muon Detector Studies Mtg Black Hole Tues. Aug. 5 12:30 – 14:00

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  1. Agenda for LC Muon Detector Studies Mtg Black Hole Tues. Aug. 5 12:30 – 14:00 • Parts for the prototype planes. 15 min. Gene Fisk • MAPMT FE electronics/cal. 15 min. Paul Karchin 10 min. Mani Tripathi • Readout Options: MINOS 15 min. Adam Para UC Davis Studies 15 min. Mani Tripathi • Muon ID in b-b_bar events 15 min. Caroline Milstene

  2. Prototype Module Layout 5.0 m 2.5m 43 full strips 43 short strips 3.6m (L) x 4.1cm (W) x 1cm (T) 3.6m => 0m long Read out: both ends of full strips; one end of short strips (except the shortest 22). 2*(43 + 21) fibers/side =128 channels = 8 (1.2mm dia) fibers/pix * 16(4 x 4mm2) pixels => Equivalent of One MAPMT/prototype plane

  3. How many prototype planes & strips? • Each plane is the equivalent of 86 strips that are 3.6 m long. Each strip has a mass of 1.52 kg or 3.3 lbs. • The weight of a plane (86 strips) is 131 kg or 288 lbs. Order 15% extra scintillator – 100 strips per plane or 330 lbs (152kg). • 3 u & 3 v to over-constrain a straight line = 6 planes + one spare to use for resolving multi-hit ambiguities + one to learn the construction technique. => 8 planes. • Total scintillator is 2,341 lbs (1.17T) or 700 strips or 1.064 Tonnes. • Scintillator Cost - MINOS paid ~ $10/kg or $10K/tonne. Assume a 50% add’l cost for a small order: $16K

  4. Fiber quantities and costs • WLS Fiber Buy enough to instrument every strip: 100 strips*3.6m/strip = 360 m times 8 planes (one to learn on). => 2.88km Kuraray quote of $3.29m => $9,475 plus shipping & duty so add $1,500, which brings the total to: $11K WLS • Clear Fiber From engineering drawing: Short near strips: 21*4.6 m = 97m Full strips: 43*(4.6m +2.3m) = 297m Short far strips: 21*4.3m = 90m Total 484m => 550m times 8 planes 4,400 m Clear cost = 4.4km*$3.11K/km = $13.7K +$1.5K = $15.2K Clear

  5. Other fiber and layout costs (Mitch Wayne- Notre Dame) • Polishing and splicing: Material costs – teflon tubes $3.0K Ice polishing + splicing: 32 hrs*$48/hr $1.5K • Plastic sheets for fiber routes: $10/sqft: acrylic or $6/sqft: Lexan ($6-$10/sqft)*110sqft/sheet*8 sheets $5.3-9.0K • Machining of plastic sheets: 20 hrs of programming*$40/hr = $0.8K 60 hrs Gerber routing*$40/hr = $2.4K Total machining of plastic sheets $3.2K

  6. Multi-anode Photomultipliers 16 channel multi-anode PM 16 anode PM’s come in two varieties: w/ or w/o base. H8711-10 with base $1290.85 ea. for 6 or more. R7600-00-M16 w/o base $1011.37 ea. for 6 or more. We will need at least 14 MAPMTs for R&D: 8 for the 7 planes; 2 to replace two loaner tubes (spares); 4 for bench tests of electronics; Procure 7 w/bases; 7 w/o bases. Cost: $9,036 + $7,080 = $16,116 30mm Hamamatsu H6568

  7. Incomplete R&D Cost Estimate

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