1. CHAMBER PRODUCTION AT CERN 904 RPC UPGRADE-MEETING, 08.JAN.2014 DONG-HYUN KIM ON BEHALF OF THE CERN-904 TEAM DEPARTMENT OF PHYSICS, SUNGKYUNKWAN UNIVERSITY, KOREA 1

2. Content 1. Status of 904 site 2. Data Analysis 3. Plan 2

3. 1. Status of 904 site  Visual test – 17 BO Gaps  Made 3 HV-Connector  Still waiting a Gas back  New india-student coming 3

4. 2. Data Analysis 4

5. ABCMerge 2. Data Analysis 5  For IDIso - μ+

6. ABCMerge 2. Data Analysis 6  For IDIso - μ+

7. ABCMerge 2. Data Analysis 7

8. ABCMerge 2. Data Analysis 8  For STA - μ+

9. ABCMerge 2. Data Analysis 9  For STA - μ+

10. ABCMerge 2. Data Analysis 10

11. ABCMerge 2. Data Analysis 11  For Tracking - μ+

12. ABCMerge 2. Data Analysis 12  For Tracking - μ+

13. ABCMerge 2. Data Analysis 13

14. 3. Plan  Calculate Trigger Muon Efficiency  Leak test for the BO Gaps  Dark-current test for the BO Gaps  Make the HV-Connetor 14