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Aging tests of full-scale CMS muon cathode strip chambers
Two CMS production Cathode Strip Chambers were tested for aging effects in a high-radiation environment at the Gamma Irradiation Facility at CERN. The chambers were irradiated over a large area: in total, about 2.1m**2 or 700m of wire in each chamber. The 40% Ar+50% CO//2+10% CF//4 gas mixture was p...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/j.nima.2003.09.002 http://cds.cern.ch/record/808006 |
| _version_ | 1780905248806666240 |
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| author | Acosta, D Apollinari, G Arisaka, K Bondar, N Breedon, R Bujak, A Bylsma, B Chester, N Clare, R Cline, D Cousins, R Cox, T Dolinski, S I Durkin, S Eartly, D Ivanov, Yu Ferguson, T Gavrilov, G Gilmore, J Gu, J Gutay, L Hann, F Hartmut, R Hauser, J He, K Ignatenko, M A Ilie, S Jiang, C Ko, W Korytov, A Krivshich, A G Kuznetsova, K Layter, J Lee, R Levchenko, P M Ling, T Y Loveless, D Lusin, S Maeshima, K Madorsky, A Matthey, C Matveev, M Von der Mey, M Mitselmakher, G Otwinowski, S Padley, P Pal, I Pischalnikov, Y Prokofiev, O E Razmyslovich, B V Reeder, D Roberts, J Schipunov, L Smirnov, I Souvorov, V Stasko, J T Sun, H Sytnik, V V Terentyev, N K Tripathi, M Vavilov, S Volkov, S Vorobyov, A Vorobyov, I A Wang, L Yarba, V A Zhou, L Zhu, Z |
| author_facet | Acosta, D Apollinari, G Arisaka, K Bondar, N Breedon, R Bujak, A Bylsma, B Chester, N Clare, R Cline, D Cousins, R Cox, T Dolinski, S I Durkin, S Eartly, D Ivanov, Yu Ferguson, T Gavrilov, G Gilmore, J Gu, J Gutay, L Hann, F Hartmut, R Hauser, J He, K Ignatenko, M A Ilie, S Jiang, C Ko, W Korytov, A Krivshich, A G Kuznetsova, K Layter, J Lee, R Levchenko, P M Ling, T Y Loveless, D Lusin, S Maeshima, K Madorsky, A Matthey, C Matveev, M Von der Mey, M Mitselmakher, G Otwinowski, S Padley, P Pal, I Pischalnikov, Y Prokofiev, O E Razmyslovich, B V Reeder, D Roberts, J Schipunov, L Smirnov, I Souvorov, V Stasko, J T Sun, H Sytnik, V V Terentyev, N K Tripathi, M Vavilov, S Volkov, S Vorobyov, A Vorobyov, I A Wang, L Yarba, V A Zhou, L Zhu, Z |
| author_sort | Acosta, D |
| collection | CERN |
| description | Two CMS production Cathode Strip Chambers were tested for aging effects in a high-radiation environment at the Gamma Irradiation Facility at CERN. The chambers were irradiated over a large area: in total, about 2.1m**2 or 700m of wire in each chamber. The 40% Ar+50% CO//2+10% CF//4 gas mixture was provided by an open-loop gas system for one of the chambers and by a closed-loop re-circulating gas system for the other. After an accumulation of 0.3-0.4C/cm of a wire, equivalent to about 30-50 years of operation at peak LHC luminosity, no significant changes in gas gain, chamber efficiency and wire signal noise were observed for either of the two chambers. The only consistent signs of aging were a small increase in dark current from 2 to 10nA per plane of 600 wires and a decrease of strip-to-strip resistance from 1000 to 10-100GOmega. Disassembly of the chambers revealed deposits on the cathode planes, while the anode wires remained fairly clean. |
| id | cern-808006 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2003 |
| record_format | invenio |
| spelling | cern-8080062019-09-30T06:29:59Zdoi:10.1016/j.nima.2003.09.002http://cds.cern.ch/record/808006engAcosta, DApollinari, GArisaka, KBondar, NBreedon, RBujak, ABylsma, BChester, NClare, RCline, DCousins, RCox, TDolinski, S IDurkin, SEartly, DIvanov, YuFerguson, TGavrilov, GGilmore, JGu, JGutay, LHann, FHartmut, RHauser, JHe, KIgnatenko, M AIlie, SJiang, CKo, WKorytov, AKrivshich, A GKuznetsova, KLayter, JLee, RLevchenko, P MLing, T YLoveless, DLusin, SMaeshima, KMadorsky, AMatthey, CMatveev, MVon der Mey, MMitselmakher, GOtwinowski, SPadley, PPal, IPischalnikov, YProkofiev, O ERazmyslovich, B VReeder, DRoberts, JSchipunov, LSmirnov, ISouvorov, VStasko, J TSun, HSytnik, V VTerentyev, N KTripathi, MVavilov, SVolkov, SVorobyov, AVorobyov, I AWang, LYarba, V AZhou, LZhu, ZAging tests of full-scale CMS muon cathode strip chambersDetectors and Experimental TechniquesTwo CMS production Cathode Strip Chambers were tested for aging effects in a high-radiation environment at the Gamma Irradiation Facility at CERN. The chambers were irradiated over a large area: in total, about 2.1m**2 or 700m of wire in each chamber. The 40% Ar+50% CO//2+10% CF//4 gas mixture was provided by an open-loop gas system for one of the chambers and by a closed-loop re-circulating gas system for the other. After an accumulation of 0.3-0.4C/cm of a wire, equivalent to about 30-50 years of operation at peak LHC luminosity, no significant changes in gas gain, chamber efficiency and wire signal noise were observed for either of the two chambers. The only consistent signs of aging were a small increase in dark current from 2 to 10nA per plane of 600 wires and a decrease of strip-to-strip resistance from 1000 to 10-100GOmega. Disassembly of the chambers revealed deposits on the cathode planes, while the anode wires remained fairly clean.FERMILAB-Conf-03-307oai:cds.cern.ch:8080062003 |
| spellingShingle | Detectors and Experimental Techniques Acosta, D Apollinari, G Arisaka, K Bondar, N Breedon, R Bujak, A Bylsma, B Chester, N Clare, R Cline, D Cousins, R Cox, T Dolinski, S I Durkin, S Eartly, D Ivanov, Yu Ferguson, T Gavrilov, G Gilmore, J Gu, J Gutay, L Hann, F Hartmut, R Hauser, J He, K Ignatenko, M A Ilie, S Jiang, C Ko, W Korytov, A Krivshich, A G Kuznetsova, K Layter, J Lee, R Levchenko, P M Ling, T Y Loveless, D Lusin, S Maeshima, K Madorsky, A Matthey, C Matveev, M Von der Mey, M Mitselmakher, G Otwinowski, S Padley, P Pal, I Pischalnikov, Y Prokofiev, O E Razmyslovich, B V Reeder, D Roberts, J Schipunov, L Smirnov, I Souvorov, V Stasko, J T Sun, H Sytnik, V V Terentyev, N K Tripathi, M Vavilov, S Volkov, S Vorobyov, A Vorobyov, I A Wang, L Yarba, V A Zhou, L Zhu, Z Aging tests of full-scale CMS muon cathode strip chambers |
| title | Aging tests of full-scale CMS muon cathode strip chambers |
| title_full | Aging tests of full-scale CMS muon cathode strip chambers |
| title_fullStr | Aging tests of full-scale CMS muon cathode strip chambers |
| title_full_unstemmed | Aging tests of full-scale CMS muon cathode strip chambers |
| title_short | Aging tests of full-scale CMS muon cathode strip chambers |
| title_sort | aging tests of full-scale cms muon cathode strip chambers |
| topic | Detectors and Experimental Techniques |
| url | https://dx.doi.org/10.1016/j.nima.2003.09.002 http://cds.cern.ch/record/808006 |
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