First performance results of the Phobos silicon detectors

H. Pernegger, B. B. Back, M. D. Baker, D. S. Barton, R. R. Betts, R. Bindel, A. Budzanowski, W. Busza, A. Carroll, M. P. Decowski, E. Garcia, N. George, K. Gulbrandsen, S. Gushue, C. Halliwell, J. Hamblen, G. A. Heintzelman, C. Henderson, R. Holyński, D. J. HofmanB. Holzman, E. Johnson, J. L. Kane, J. Katzy, N. Khan, W. Kucewicz, P. Kulinich, W. T. Lin, S. Manly, D. McLeod, J. Michalowski, A. Mignerey, J. Mülmenstädt, R. Nouicer, A. Olszewski, R. Pak, I. C. Park, C. Reed, L. P. Remsberg, M. Reuter, C. Roland, G. Roland, L. Rosenberg, P. Sarin, P. Sawicki, W. Skulski, S. G. Steadman, G. S.F. Stephans, P. Steinberg, M. Stodulski, A. Sukhanov, J. L. Tang, R. Teng, A. Trzupek, C. Vale, G. J. Van Nieuwenhuizen, R. Verdier, B. Wadsworth, F. L.H. Wolfs, B. Wosiek, K. Woniak, A. H. Wuosmaa, B. Wyslouch

Research output: Contribution to journalConference articlepeer-review

8 Scopus citations


The Phobos experiment concluded its first year of operation at RHIC taking data in Au-Au nucleus collisions at √snn = 65 GeV and 130 GeV/nucleon pair. First preliminary results of the performances of our silicon detectors in the experiment are summarized. The Phobos experiment uses silicon pad detectors for both tracking and multiplicity measurements. The silicon sensors vary strongly in their pad geometry. In this paper, we compare the signal response, the signal uniformity and signal-to-noise performance as measured in the experiment for the different geometries. Additionally, we investigate effects of very high channel occupancy on the signal response.

Original languageEnglish
Pages (from-to)197-204
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
StatePublished - 1 Nov 2001
Event9th International Workshop on Vertex Detect (VERTEX 2000) - Homestead, MI, United States
Duration: 10 Sep 200015 Sep 2000


  • Heavy ion collision
  • RHIC
  • Silicon pad detector
  • Silicon signal
  • Solid-state detector


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