Effects of a Hadron Irradiation on Scintillating Fibers

B. Abbott, R. Davies, D. Koltick, R. McIlwain, J. Schmitz, E. Shibata, D. Adams, H. Miettenen, J. Skeens, T. Armstrong, A. Hasan, S. Heppelmann, R. A. Lewis, R. Moore, B. Oh, J. Passaneau, R. Scalise, G. A. Smith, W. Toothacket, J. WhitmoreM. Atac, C. Buchanan, D. Chrisman, D. Cline, J. Kolonko, J. Kubic, J. Park, A. Baumbaugh, M. Binkley, B. Baumbaugh, J. Bishop, N. Biswas, N. Cason, J. Jaques, R. Kehoe, V. Kenney, J. LoSeccc, J. Marchant, R. J. Mountain, W. Shephard, J. Warchol, M. Wayne, S. Bird, G. Collins, H. Fenket, J. Thomas, A. D. Bross, J. Elias, D. Finley, G. W. Foster, R. Kephart, C. Kim, H. Park, A. Pla-Dalmau, C. Rivetta, S. Tkaczyk, R. Wagner, R. Chaney, E. Fenyves, H. Hammack, J. Kauffman, B. Lowery, J. Orgeron, M. Chung, H. Goldberg, R. Jesik, S. Margulies, H. Mendez, R. Ruchti, J. Solomon, F. Vaca, M. Corcoran, D. Davis, D. Vandergriff, C. Kelley, M. Kelly

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Trackers based on scintillating-fiber technology are being considered by the Solenoidal Detector Collaboration at SSC and the DØ collaboration at Fermilab. An important issue is the effect of the radiation existing in the detector cores on fiber properties. Most studies of radiation damage in scintillators have irradiated small bulk samples rather than fibers, and have used X-rays, 60Co gammas, or electron beams, often at accelerated rates. We have irradiated some 600 fibers in the Fermilab Tevatron CØ area, thereby obtaining a hadronic irradiation at realistic rates. Four-meter-long samples of ten Bicron polystyrene-based fiber types, maintained in air, dry nitrogen, argon, and vacuum atmospheres within stainless-steel tubes, were irradiated for seven weeks at various distances from the accelerator beam pipes. Maximum doses, measured by thermoluminescence detectors, were about 80 Krad. Fiber properties, particularly light yield and attenuation length, have been measured over a oneyear period. A description of the work together with the results is presented. At the doses achieved, corresponding to a few years of actual fiber-tracking detector operation, little degradation is observed. In addition, recovery after several days' exposure to air has been noted. Properties of unirradiated samples kept in darkness show no changes after one year.

Original languageEnglish (US)
Pages (from-to)476-483
Number of pages8
JournalIEEE Transactions on Nuclear Science
Issue number4
StatePublished - Aug 1993

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering


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