Production and the quality control for the CMS endcap RPCs

Z. Aftab, I. Ahmed, S. H. Ahn, S. Akimenko, P. S. Anan, M. I. Asghar, S. Y. Bahk, A. Ball, Y. Ban, J. Cai, J. P. Chatelain, A. Colaleo, I. Crotty, Y. C. Ge, B. Hong, S. J. Hong, H. Hoorani, G. Iaselli, M. Ito, S. JonalegeddaM. S. Khan, T. I. Kang, B. I. Kim, H. C. Kim, J. H. Kim, T. J. Kim, Y. J. Kim, Y. U. Kim, D. G. Koo, R. Kuo, K. B. Lee, K. S. Lee, S. J. Lee, H. Liu, F. Loddo, M. Maggi, M. Marcisosky, A. Marinov, S. K. Nam, S. Park, S. J. Qian, J. T. Rhee, M. S. Ryu, A. Sharma, K. S. Sim, T. Solaija, C. J. Stephen, W. Van Doninck, Q. J. Wang, W. Whitaker, Z. H. Xue, Y. L. Ye, J. Ying

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The production for the endcap RPCs in the CMS experiment has entered a mature stage of the production stream. In this paper, the production facilities and the selection procedures of the qualified RPC gaps are presented. The mass production and the quality control tests for the endcap RPCs have reached the maximum productivity. The yield to produce the qualified gaps is now above 80 % of the qualified bakelite sheets provided by Italy. We also report an intensive aging study for the endcap RPCs performed by using a 200 mCi 137Cs gamma-ray source. A few diagnostic methods to observe aging phenomena are discussed. The test result is equivalent to approximately 12 years of Compact Muon Solenoid (CMS) RPC operation.

Original languageEnglish
Pages (from-to)16-20
Number of pages5
JournalNuclear Physics B - Proceedings Supplements
Volume158
Issue number1 SUPPL.
DOIs
Publication statusPublished - 2006 Aug 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics

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    Aftab, Z., Ahmed, I., Ahn, S. H., Akimenko, S., Anan, P. S., Asghar, M. I., Bahk, S. Y., Ball, A., Ban, Y., Cai, J., Chatelain, J. P., Colaleo, A., Crotty, I., Ge, Y. C., Hong, B., Hong, S. J., Hoorani, H., Iaselli, G., Ito, M., ... Ying, J. (2006). Production and the quality control for the CMS endcap RPCs. Nuclear Physics B - Proceedings Supplements, 158(1 SUPPL.), 16-20. https://doi.org/10.1016/j.nuclphysbps.2006.07.001