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Response to EDR-04. Project updates ECAL electronics integration group T Lodge(RAL) deputy to W Lustermann. Common ECAL wide solutions. EE Planning Incorporated into overall ECAL planning. Justin Greenhalgh in regular contact with ECAL PM, TC and DTC. EE Tooling, mounting, assembly - PowerPoint PPT Presentation
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EDR-06, 3 Sep 2002 D Cockerill - RAL CMS ECAL End Cap
ECALEnd Cap
Project updates•ECAL electronics integration group T Lodge(RAL) deputy to W Lustermann.
— Common ECAL wide solutions.
•EE PlanningIncorporated into overall ECAL planning.Justin Greenhalgh in regular contact with ECAL PM, TC and DTC.
•EE Tooling, mounting, assemblyPerson(s) to take responsibility for this work currently under discussion.
Response to EDR-04
EDR-06, 3 Sep 2002D Cockerill - RAL (
2)CMS ECAL End Cap
ECALEnd Cap
Response to EDR-04
• SC mechanics– Market survey launched with OJEC notice on 4
July 2002– Deadline for questionnaire replies, Aug 19 2002– Sorting of replies, requests for tender, Aug 22
2002– Choose company(ies) end 2002
– 332 alveolar units completed by Myachichev– Sufficient for all of EE+ and 20% of EE-
EDR-06, 3 Sep 2002D Cockerill - RAL (
3)CMS ECAL End Cap
ECALEnd Cap
Response to EDR-04
• VPTs– Pre-production, RIE: 500 delivered to RAL, Nov 2000.– Mass production contract, RIE, Oct 2001 for 15000 tubes.– Mass production: 1500 delivered– 1200 visually inspected and 1100 tested at 1.8T, RAL– Over 60 tested at 4T, Brunel
• Full scale Endcap model– E0prime constructed at RAL, June-Oct, 2001– Capacity for 4 cantilevered SCs– Accurate modelling of slice through Dee– Dee cooling, fibre optic & HV services plane, interim cooling
plane, moderator, LV and power cooling plane, readout (50 channel units) plane, moderator+cooling HE side.
EDR-06, 3 Sep 2002D Cockerill - RAL (
4)CMS ECAL End Cap
ECALEnd Cap
E0’
E0’
Up to 4 Standard SCs
Umbilical noise and optimal layout studies
Dee service and electronic integration issues
EDR-06, 3 Sep 2002D Cockerill - RAL (
5)CMS ECAL End Cap
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E0’
Accurate cross section through Dee
All service planes incorporated
50 channel readout box incorporated
To end 2002 - noise studies
2003 – proposal: incorporate new ECAL electronics, take to test beam
EDR-06, 3 Sep 2002D Cockerill - RAL (
6)CMS ECAL End Cap
ECALEnd Cap E0’ stages of build
Fibre optic bundle, backplate & cooling, umbilical
Interim cooling plane, HV, moderator, LV, power cooling plane
EDR-06, 3 Sep 2002D Cockerill - RAL (
7)CMS ECAL End Cap
ECALEnd Cap VPT data
Yield (e/MeV), 1.8T (RAL) versus P*G at 0T (RIE)
Yield (e/MeV), 1.8T (RAL)