Cosmic ray test results of the DØ prototype scintillating fiber tracker

D. Adams, M. Adams, B. Baumbaugh, I. Bertram, A. Bross, D. Casey, S. Chang, M. Chung, C. Cooper, C. Cretsinger, R. Demina, G. Fanourakis, S. Grünendahl, J. Hinson, B. Howell, H. Johari, J. S. Kang, C. L. Kim, S. K. Kim, D. KoltickF. Lobkowicz, S. Margulies, J. Moromisato, M. Narain, C. H. Park, Y. M. Park, S. Reucroft, R. Ruchti, J. Solomon, E. VonGoeler, J. Warchol, M. Wayne, E. Won, Y. Yu

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


The performance of a large scale scintillating fiber tracker with VLPC readout has been studied in a cosmic-ray test. Approximately 9.6 photoelectrons per single layer per trigger were detected at a VLPC bias voltage of 6.5V. The doublet efficiency was nearly 100% at a 0.1% noise level and a position resolution of about 140μm was measured. We also studied the relationship between VLPC performance and VLPC bias voltage by measuring single fiber efficiency as a function of VLPC bias in the range 6.2V to 7.OV at a fixed temperature of 6.5 °K. We observed no significant variation in VLPC performance within this bias range.

Original languageEnglish
Pages (from-to)332-339
Number of pages8
JournalNuclear Physics B (Proceedings Supplements)
Issue number1-3
Publication statusPublished - 1995 Nov
Externally publishedYes

Bibliographical note

Funding Information:
*Supported in part by the U.S. Department of Energy, the U.S. National Science Foundation, Korean Ministry of Education, Korean Research Foundation and KOSEF in

ASJC Scopus subject areas

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


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