Effects of linseed oil treatment on the forward resistive plate chamber for compact muon solenoid in the high-η region

S. H. Ahn, B. Hong, S. J. Hong, M. Ito, T. I. Kang, B. I. Kim, J. H. Kim, H. W. Lee, K. B. Lee, K. S. Lee, J. K. Lim, D. H. Moon, S. Park, W. J. Park, M. S. Ryu, K. S. Sim, S. Y. Bahk, Y. J. Kim, Y. U. Kim, D. G. KooS. J. Lee, S. K. Nam, J. T. Rhee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We present the beam test results of a real-sized prototype resistive plate chamber (RFC) for the high-η region of the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider (LHC) under a high-radiation environment up to 2 kHz/cm 2. Particularly, we emphasize the effects of a linseed oil treatment on the surfaces of bakelite plates for avalanche-mode operation. The improved quality of the bakelite surface due to the linseed oil coating results in a significant reduction in the intrinsic noise rate and the dark current without affecting the muon detection efficiency. At the same time, the noise cluster size is somewhat increased by the linseed oil treatment, especially, under no radiation background.

Original languageEnglish
Pages (from-to)1325-1335
Number of pages11
JournalJournal of the Korean Physical Society
Volume46
Issue number6
Publication statusPublished - 2005 Jun

Keywords

  • CMS
  • High-η region
  • LHC
  • Linseed oil
  • Resistive plate chamber

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Ahn, S. H., Hong, B., Hong, S. J., Ito, M., Kang, T. I., Kim, B. I., Kim, J. H., Lee, H. W., Lee, K. B., Lee, K. S., Lim, J. K., Moon, D. H., Park, S., Park, W. J., Ryu, M. S., Sim, K. S., Bahk, S. Y., Kim, Y. J., Kim, Y. U., ... Rhee, J. T. (2005). Effects of linseed oil treatment on the forward resistive plate chamber for compact muon solenoid in the high-η region. Journal of the Korean Physical Society, 46(6), 1325-1335.