new hexagonal design for minerva a bodek sept 11 2004 l.
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New Hexagonal Design for MINERvA A. Bodek- Sept. 11. 2004 PowerPoint Presentation
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New Hexagonal Design for MINERvA A. Bodek- Sept. 11. 2004. Now even counters have a 1.2 solid steel picture frame Around the 3 m wide active target. The 30 cm lead is

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New Hexagonal Design for MINERvA A. Bodek- Sept. 11. 2004


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    1. New Hexagonal Design for MINERvAA. Bodek- Sept. 11. 2004 Now even countershave a 1.2 solid steel picture frame Around the 3 m wide active target. The 30 cm lead is Attached to the steel frame and is on both sides of the counter. The Fe Steel picture frame is not instrumented except for one layer of two triangular counters on the edge to see an exiting muon. The light is routed with a 1.2 meter long extension of The green fiber taking it to a connector outside the frame On the edge. A clear fiber cable takes the light to a phototube Odd counters have no steel or lead at all, they are just 5.4 Meter wide totally active scintillator. They go to a connector just Outside. A clear fiber cable takes the light to a phototube

    2. 1.2 m wide- Fe picture frame which is not instrumented except for one layer of counters on the outside. 2-mm G10 or Al or stainless steel 0.25 mm } to protect Routing plate R1 Even Xnumber PLANE plastic fiber routing plates. Even Counters are all X counters have 3 m long counters Two 1.5 mm lead screwed to steel 1.2 meter outer frame (one on each side of the counter

    3. Blue are active counters AllX-even planes have 1.2 steel frame, Odd planes are U and V and are totally active 5.4 meter long V odd X even U odd X V odd X-even 1.5 mm Pb on each side even 2 mm plastic WLS fiber Routing plate to connectors Solid 1.2 Fe Fe frame Steel is black 15 mm 2 mm One layer outside

    4. Blue are active counters AllX-even planes have 1.2 steel frame, Odd planes are U and V and are totally active 5.4 meter long V odd X even U odd X V odd 1.5 mm Pb on each side U odd even 2 mm plastic WLS fiber Routing plate to connectors Solid 1.2 Fe Fe frame Steel is black 15 mm 2 mm One layer outside