Dee4     EE- Far

 
Dee4 for the H4 test beam

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Supercrystal numbers viewed from front
11 15 12 13 24 G
10 9 14 3 8 F
16 19 25 23 17 E
20 18 6 22 21 D
1M 2M 3M 4M 5M  

H4 turntable details
Layout at H4, D Cockerill 12.2.2007

2007
Dee4 during data taking, D Cockerill 22.8
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 Dee4 placement on H4 turntable, D Cockerill 21.8
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Measurements of Dee4 weights, D Cockerill 20.8
a) Dee4 with OPAL frame, blue brackets and yellow lifting beams 5.7t
b) Dee4 OPAL frame only, plus yellow lifting beams, no blue brackets 3.3t
Dee4 plus blue brackets, calculated from a)-b) 2.4t
Dee4 without blue brackets (brackets estimate 0.1t), calculated 2.3t

Modifications, welded counter-torque nuts, on main manifolds, M Droege 3.8
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 Dee4 fibre boxes, fibre routing to patch panel, cooling details, Double MEM box, LV services, D Cockerill 2.8
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 Dee4 chariot and mount preparation, M Scandurra 2.8
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Dee4 main manifold to cooling blocks arrangement, J Hill 5.7 ppt
Dee4 being moved into 867 28.6
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Completed trigger towers on Dee4
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20 SCs mounted on Dee4 with associated pictures on back, M Scandurra 16.5
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Dee4 installation planning at H4, D Cockerill 20.4 xls
6 of 20 SCs mounted on Dee4, fibre monitoring and umbilical feedthroughs,
level 1 diffuser with laser entry and VPT stability pulser entry, Nichia LED driver,
installing laser monitoring fibres into back of an SC, D Cockerill 20.4
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Fibre optic installation on Dee4, M Anfreville, D Pierrepoint 8.3
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Rotations in vertical and horizontal, M Scandurra 17.2 pdf dxf
Views at certain rotations about vertical axis, M Scandurra 17.2 pdf dxf
Turntable at H4 with Backplate, M Scandurra 17.2 pdf dxf
Angles of backplate to testbeam, M Scandurra 17.2 pdf dxf
New layout for Dee4 at H4, D Cockerill 12.2 ppt

2006
Trial Assembly of 'Mechatronics' units onto Support plates of Dee4.
Note the cooling link between in-line units, moderator assembly yet to be fitted J.Hill 07.12

Assembly of 75ch, 100ch and 100ch TRLB 'Mechatronics' units at CERN

Including prototype welding of local manifold J.Hill 16.08



Views of Dee4 (flipped), SC types/trigger map, D Cockerill 10.4 ppt

2005
DEE3-DEE4.jpg (174305 bytes) Dee4 and Dee3 in the crystal palace, J-F Fuchs 6.12
 Presentation to TCG, p15-23, D Cockerill 20.9 ppt pdf
Dee4 proposal given at RAL, D  Cockerill 8.6 ppt