1. NEC Varna sep 12-18, 2005 A. Marinov Andrey Marinov On behalf of the CMS Forward RPC Collaboration Y. Ban, J. Cai, H. Liu, S. Qian, Q. Wang, Y. Ye, J. Ying, Yucheng Ge - Peking University, Beijing, China B. Hong, S. J. Hong, K. S. Lee, S. Park, K. S. Sim - KODEL, Seoul, S. Korea A. Ball, J-P. Chatelain, I. Crotty, A. Sharma, W. Whitaker - CERN, Geneva, Switzerland W. Van Doninck - Vrije Universiteit Brussel, Brussels, Belgium S. Akimenko - IHEP, Protvino, Russia L. Litov, A. Marinov - University of Sofia, Sofia, Bulgaria A. Devlieger – University of Victoria, Victoria, Canada M. I. Asghar, I. Ahmed, H. Hoorani - National Centre for Physics, Quaid-i-Azam University Campus, Islamabad, Pakistan Z. Aftab, M. S. Khan, T. Solaija - Pakistan AtomicEnergy Commission, Islamabad, Pakistan A.Colaleo, G. Iaselli, F. Loddo, M. Maggi - INFN Bari, Itlay B.Michal Marcisovsky Samuel Scheonholz Rene Kuo Manohar Jonnalagedda CERN Geneva

2. NEC Varna sep 12-18, 2005 A. Marinov 2 CMS Detector Endcaps

3. NEC Varna sep 12-18, 2005 A. Marinov 3 FORWARD Resistive Plate Chambers Final Gas mixture used in all tests 95.5 Freon 3.5 Isob 0.3 SF6 + RH 50% = 5000 ppm

4. NEC Varna sep 12-18, 2005 A. Marinov 4 Forward RE Resistive Plate Chambers 96 Channels. 3 sectors by 32 strips A,B, C Standard LVDS output Slow Control for Threshold and temperature measurements for each F.E.B.

5. NEC Varna sep 12-18, 2005 A. Marinov 5 Testing RE with Cosmics Cosmic stand. Top and Bottom layers scintilators. Possibility to put 10 chambers inside to test them with cosmics

6. NEC Varna sep 12-18, 2005 A. Marinov 6 Cosmic Stand Trigger Counters Setup

7. NEC Varna sep 12-18, 2005 A. Marinov 7 Cosmic Stand Trigger Electronics Setup

8. NEC Varna sep 12-18, 2005 A. Marinov 8 Cosmic Stand Data Acquisition Run Signal Recording Enable Trigger Recording Stop recording Reading the TDCs

9. NEC Varna sep 12-18, 2005 A. Marinov 9 Main VME Frame

10. NEC Varna sep 12-18, 2005 A. Marinov 10 Data Format From the TDC 64 bit channel information 1 time bin is 10ns 111 128 bit presenting the time information from each TDC 64 bit channel information 0000……

11. NEC Varna sep 12-18, 2005 A. Marinov 11 Software and Computing DAQ PC Database PC MXI bus TCP/IP Tracking PC CAEN 1527 HV power supply TCP/IP I2C Multiplexer For slow control RS232 Control PC

12. NEC Varna sep 12-18, 2005 A. Marinov 12 Software and Computing DAQ PC MXI bus Pentium 4 1.6 GHz 512Mb RAM 120GB HDD Linux Platform Using standard drivers from National Instruments for the MXI/PCI controller. Running Software Offline Analyses Software Online Tracking engine

13. NEC Varna sep 12-18, 2005 A. Marinov 13 Data From Cosmic Test Strips Profile Using only 2 scintilators from the top and 2 form the bottom layer

14. NEC Varna sep 12-18, 2005 A. Marinov 14 Data From Cosmic Test Strips Profile Coincidence with 2 scintilators from top, 2 from bottom and small counter placed on sector B.

15. NEC Varna sep 12-18, 2005 A. Marinov 15 Data From Cosmic Test Noise and Time distribution Time bins 0-128 (1bin is 10ns) Counts 400ns 60ns Noise

16. NEC Varna sep 12-18, 2005 A. Marinov 16 Data From Cosmic Test Time Distribution

17. NEC Varna sep 12-18, 2005 A. Marinov 17 Data From Cosmic Stand Efficiency and Cluster Size Scanning for efficiency and Cluster size values at different voltages.

18. NEC Varna sep 12-18, 2005 A. Marinov 18 Online Tracking Software

19. NEC Varna sep 12-18, 2005 A. Marinov 19 Continuously H.V. Monitoring Recording the HV currents every 2 min, and store the data in to the Database. Including the environment conditions. Temperature and Humidity

20. NEC Varna sep 12-18, 2005 A. Marinov 20 Database http://forwardrpc.cern.ch/cms_forward_rpc/index.htm Online HV monitoring and QC IV data storage Searchable tracking for individual Gaps / Chambers Production QC procedures Mechanics Cosmic Tests VISIBLE SEARCHABLE WORLDWIDE Chamber QC dataGas gaps QC data Environment conditions data DATABASE Production data Results form Cosmic Test

21. NEC Varna sep 12-18, 2005 A. Marinov 21 Quality Control and Certification for CMS installation Checklists are included in all production steps Quality control and measurements for the gaps Cosmic Test Data for Noise, Strips Profile, Efficiency, Cluster Size, HV monitoring, Environment conditions. Certification file for each Endcap RPC Detector

22. NEC Varna sep 12-18, 2005 A. Marinov 22 Summary and Future Summary All tests and QC for RE chambers are set up. 100 chambers (RE) are Quality Certificated and ready for Installation in CMS experiment Production and QC processes are in time. To do Optimizing the tracking software