CMS RPC Endcap RE1 Status Report Schedule V34.1 RE-1048 HALF: RE1/2 + and RE1/3 ready for installation April 05 RE-1049 RE2, 3 installed on YE+ Sep 05 2004 Milestones 3 RE1/2 & 1 RE1/3 pre production chambers tested Korean gaps deliveries ISR Assembly Lab on schedule CSC+RPC+LB Beam Tests Cosmic QC 20 RE1/2 +10 RE1/3 2005 Milestones Production 18 RE1/2 and 18 RE1/3 Installation April end 60 RE1/2 & 60 RE1/3 Installation October-November Cosmic Tests / Magnet Test Preparation On behalf of Peking University Colleagues And all at ISR

RE1/2 Completed chambers ready for quality control Dec. 2004 HV connector Last step Cosmic stand and DAQ RE1/2 Completed chambers ready for quality control tests in the cosmic stand

Production Status: 20 RE1/2 + 30 RE1/3 Assembled Preparation gas pipes – 120 chambers Cables – 60 chambers Mechanics .. Cover closing Alu plates Chamber production rate Expected 5 per week March 20 RE1/2 mass production re-launch GOAL: June RE1/2 complete April end RE1/3 Gaps expected GOAL: Sept 30 RE1/2 complete 36 needed @ X5 April 2005 Chambers Planned Constructed GOAL: Dec 05 All certified!

Database developed to store RPC production information http://forwardrpc/cms_forward_rpc/production_db/Main_db.htm

Create plots from cosmic test data Strip response profile

Cosmic QC See Andrey’s talk % HV 9.2kV mA Noise < 10Hz/cm2

Chamber QC 4 Checklists At different stages of production Cosmic Tests : Andrey Waiting for Final Destination: Point 5

Document history - Following DB Workshop Jan 24-28 Barrel and Forward (Endcap) RPC’s Configuration and Condition database requirements for CMS Core DB Team Document history - Following DB Workshop Jan 24-28 Version Number Description Author Date 0.1 First draft about RPC sub-detector description and related database requirements after having discussion with Frank Glege, Anil Kumar, Saima Iqbal and Marcello Abbrescia Archana Sharma 31-JAN-2005 0.2 Initial draft provided by Archana Sharma is edited to add the configuration database requirements jointly for Forward (Endcap) RPC (requirements given by Archana Sharma) and for Barrel (given by Marcello Abbrescia) and on the basis of discussions with Frank Glege, Andrew Branson and Norbert Zoltan Toth. Saima Iqbal 14-Feb-2005 0.3 Comments to v0.2 by Archana + 15-Feb-2005 0.4 Comments to v0.3 by Marcello Saima + Marcello 17-Feb-2005 0.5 Ambiguities mentioned in v0.2 resolved. Add Configuration database schema (Initial version is provided after editing discussion based on requirements among Norbert, Andrew, Saima and Marcello ) and add condition database schema requirements as provided by Marcello 06-Mar-2005 0.6 Question mentioned in V0.5 are resolves 13-Mar-2005

Schema for RPC Barrel and Endcap See Marcello’s talk – DB meeting Wednesday 16 at 8.30

Magnet Tests SX5 Cables & Services 18m HB 10m HB 15m 49m 10m 20m horizontal distances inside SX5 18m Counting House (see next page) HB 10m HB 15m 49m 10m YE+2 YE+2 YE+2 YE+1 20m magnet test position YE1 6 RE1/2 Chambers (One sector 60o) 6 Link Boards available

SX5 Cable Paths to be defined 15m 8m SX5 Cable Paths to be defined horizontal distances Counting House only runcontrol detectors magnet DAQ Counting House The Green Barrack

Summary and Conclusions Mass production gas gaps Korea full steam Assembly RE 1 ramped up @ ISR lab and has reached 5 chambers per week The final RE 1/2 RPC has been mated to ME 1/2 RE1/3 installation exercise performed Preparation for magnet tests started RE 1 production expects to meet the CMS master schedule for its installation and commissioning