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Chamber Produc-tion at CERN 904DEPARTMENT OF PHYSICS, SUNGKYUNKWAN-UNIVERSITY, KOREADONG-HYUN KIM

2Contents

1. Introduction2. RPC Production Process3. RPC Production State4. PLAN

31. Introduction

Resistive Plate Chamber(RPC) is Muon detector CMS RPC Upgrade project : Build a 4 layer(Front & End cap) Total construction Chambers : 144 (RE4/3 – 72, RE4/2 – 72)

New Build Part

42. RPC Production Process

1Frame cleaning

2Replace by new screw

3Add mylar

4Insulate with yellow-

tape

Mechanical Part

Gap Part

1Visual test

2Leak test

3Spacer test

4HV cable

5Dark current test

52. RPC Production Process

1Frame cleaning

2Replace by new screw

3Add mylar

4Insulate with yellow-

tape

Mechanical Part

Gap Part

1Visual test

2Leak test

3Spacer test

4HV cable

5Dark current test

62. RPC Production Process

1Frame cleaning

2Replace by new screw

3Add mylar

4Insulate with yellow-

tape

Mechanical Part

Gap Part

1Visual test

2Leak test

3Spacer test

4HV cable

5Dark current test

72. RPC Production Process

1Frame cleaning

2Replace by new screw

3Add mylar

4Insulate with yellow-

tape

Mechanical Part

Gap Part

1Visual test

2Leak test

3Spacer test

4HV cable

5Dark current test

82. RPC Production Process

Cooling & Electronic Part Cooling

Electronic

92. RPC Production Process

- COMPLETION -

102. RPC Production Process Chamber Cosmic Test

11 CERN – 904 site state( Built by Dong-Hyun Kim )

Dong-Hyun Kim Job list

3. RPC Production StateTYPE

RE4/3 RE4/2Production 25(Total 27) 21(Total 29)

Percent 92.59 % 71.41 %* At 28.Aug.2013

JOB LIST( From 01.April ~ )Mechanical preparation Chamber construction process management

Gap Test Visual & Gap leak Test data managementElectronic Test Summer-student training management

Dark Current & Cosmic Test installation

12 CERN – 904 site state( Built by Dong-Hyun Kim )

3. RPC Production State

134. PLAN

Construction RE4/2 & RE4/3 Chambers Study for a Cosmic test logic Study about the Cosmic test Study to Analysis CMS data

14Ref. Visual Test

< Visual Testing > < Visual Test sheet >

15Ref. Leak Test

< Leak Station > < Gas Pressure Sensor >

16Ref. Spacer Test

Spacer

Spacer Map

17Ref. HV Connector

< Jupiter Type > < Tripolar Type >

18Ref. Dark Current Test

< Test Result graph >

19CERN-904 Photo

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- THANKS -