CERN Accelerating science

CERN Document Server 15 records found  1 - 10next  jump to record: Search took 0.61 seconds. 
1.
Development of RE1/1 RPCs for the CMS muon trigger system / Park, S (Korea U., KODEL) ; Ahn, S H (Korea U., KODEL) ; Akimenko, S (Serpukhov, IHEP) ; Anan, P S (CERN) ; Bahk, S Y (Wonkwang U.) ; Ban, Y (Peking U.) ; Cai, J (Peking U.) ; Cho, S W (Korea U., KODEL) ; Crotty, I (CERN) ; Ge, Y C (Peking U.) et al.
The first six Resistive Plate Chambers (RPCs) of RE1/1 in the forward region of the Compact Muon Solenoid (CMS) detector were constructed and are being tested. These RPCs cover the pseudo-rapidity region from 1.6 to 2.1 and will serve as the base detector for the CMS RPC muon trigger. [...]
2009 - Published in : Nucl. Instrum. Methods Phys. Res., A 602 (2009) 665-667
2.
Gamma Background Simulation for the RPC Endcap and Barrel regions of CMS/LHC using GEANT4 / Rhee, J T ; Jamil, M ; Ahn, S H ; Hong, B ; Bahk, S Y ; Hong, S J ; Ito, M ; Kang, T I ; Kim, B I ; Kim, H C et al.
2006 - Published in : Nucl. Phys. B, Proc. Suppl. 158 (2006) 123-126
In : 8th International Workshop on Resistive Plate Chambers and Related Detectors, Seoul, Korea, 10 - 12 Oct 2005, pp.123-126
3.
Production and the quality control for the CMS endcap RPCs / Aftab, Z ; Ahmed, I ; Ahn, S H ; Akimenko, S ; Anan, P S (CERN) ; Ashgar, M I ; Bahk, S Y ; Ball, A (CERN) ; Ban, Y ; Cai, J et al.
2006 - Published in : Nucl. Phys. B, Proc. Suppl. 158 (2006) 16-20
In : 8th International Workshop on Resistive Plate Chambers and Related Detectors, Seoul, Korea, 10 - 12 Oct 2005, pp.16-20
4.
Effects of SF$_{6}$ on the avalanche mode operation of a real-sized double-gap resistive plate chamber for the Compact Muon Solenoid experiment / Ahn Sung Hwan ; Bahk, S Y ; Hong, B ; Hong, S J ; Ito, M ; Kim, B I ; Kim, J H ; Kim, Y J ; Kim, Y U ; Koo, D G et al.
We present the design and the test, results for a real-sized prototype resistive plate chamber by using cosmic-ray muons for the forward region of the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC). In particular, we investigate the effects of adding SF/sub 6/ to the gas mixture for the avalanche mode operation of a resistive plate chamber. [...]
2005 - Published in : J. Korean Phys. Soc.: 46 (2005) , no. 5, pp. 1090-1095
5.
Performance and simulation of a double-gap resistive plate chamber in the avalanche mode / Ahn Sung Hwan ; Bahk, S Y ; Hong Byung Sik ; Hong Seong Jong ; Ito, M ; Kang, T I ; Kim, B I ; Kim, J H ; Kim, Y J ; Kim, Y U et al.
We present a detailed analysis of the time and the charge signals of a prototype double-gap resistive plate chamber for the endcap region of the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC). The chamber was built with relatively low-resistivity bakelite. [...]
2004 - Published in : J. Korean Phys. Soc.: 45 (2004) , no. 6, pp. 1490-1499
6.
Characteristics of a double gap resistive plate chamber for the endcap region of CMS/LHC : Data vs simulation in avalanche mode / Ahn, S H ; Bahk, S Y ; Hong, B ; Hong, S J ; Kang, D H ; Kang, T I ; Kim, K H ; Kim, T J ; Kim, Y J ; Kim, Y U et al.
We present the detailed analysis of the time and charge signals of a prototype double gap resistive plate chamber for the endcap region of the compact muon solenoid detector at CERN LHC. We demonstrate that the operating high-voltage plateau can be extended at least up to 400 V with the present design. [...]
2004 - Published in : Nucl. Instrum. Methods Phys. Res., A 533 (2004) 32-36
7.
Beam test results of CMS RPCs at high eta region under high-radiation environment / Park, S ; Ahn, S H ; Bahk, S Y ; Hong, B ; Hong, S J ; Kang, D H ; Kang, T I ; Kim, T J ; Kim, Y J ; Kim, Y U et al.
The Compact Muon Solenoid (CMS) forward resistivity plate chambers (RPCs) at the high eta region must be operated in presence of a radiation-induced rate as high as 1 kHz/cm**2. It is still unknown if the RPCs coated with linseed oil can be operated under such a high- radiation environment over the lifetime of CMS. [...]
2004 - Published in : Nucl. Instrum. Methods Phys. Res., A 533 (2004) 37-41
8.
Threshold dependence of strip clusters for the forward region resistive plate chamber of the CMS/LHC experiment / Ahn, S H ; Bahk, S Y ; Choi, E J ; Hong, B ; Hong, S J ; Jung, S R ; Kim, T J ; Kim, Y J ; Kim, Y U ; Koo, D G et al.
Strip clusters of muons and background hits induced by gamma rays and spurious pulses are analyzed for the Forward Region Resistive Plate Chamber of the CMS/LHC. In order to perform the analysis, a real size RE2/1 prototype RPC manufactured with the final baseline design of the Forward Region RPCs was tested at the Gamma Irradiation Facility of CERN. [...]
2003 - Published in : Nucl. Instrum. Methods Phys. Res., A 508 (2003) 147-151
9.
CMS TriDAS project : Technical Design Report, Volume 1: The Trigger Systems
CERN-LHCC-2000-038 CMS-TDR-6-1. - 599 p. (Technical design report. CMS ; 6.1)

10.
Operation of a RPC with low resistivity bakelite for the endcap region of CMS in a high-rate environment / Ahn, S H ; Choi, E J ; Hong, B ; Hong, S J ; Kang, D H ; Kim, T J ; Lee, K S ; Park, S ; Park, W J ; Ryu, M S et al.
We present the beam-test results for a real-size prototype resistive plate chamber (RPC) for the endcap region of the Compact Muon Solenoid (CMS) experiment at CERN Large Hadron Collider (LHC). The chamber built with relatively low resistivity bakelite was tested at the Gamma Irradiation Facility (GIF) at CERN under a high photon-flux environment with an effective cluster rate up to about 1.2 kHz/cm/sup 2/. [...]
2002 - Published in : J. Korean Phys. Soc.: 41 (2002) , no. 5, pp. 667-73

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14 Koo, D
132 Koo, D C
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78 Koo, David C
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