Stimulation of radiation damage recovery of lead tungstate scintillation crystals operating in a high dose-rate radiation environment

Andrei E. Borisevitch, Valeri I. Dormenev, Andrei A. Fedorov, Mikhail V. Korjik, Till Kuske, Vitali Mechinsky, Oleg V. Missevitch, Rainer W. Novotny, Rodger Rusack, Alexander V. Singovski

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Scintillation crystals of the lead tungstate family - PWO, PWO-II - became widely used in electromagnetic calorimeters in high energy physics experiments at high-luminosity accelerator facilities. During the operation of electromagnetic calorimeters a degradation of the optical transmission of these crystals occurs due to creation of color centers. In addition to the recharge by γ-radiation of the point structure defects, which exist a priori in the crystals, additional damage occurs to the crystal matrix due to the interaction of hadrons. Thus radiation induced optical absorption can limit the energy resolution of the calorimeter. To reduce the recharge by γ-radiation we have both minimized the concentration of point structure defects during manufacture, and used light from visible to infrared to stimulate the recovery of the color centers. In this paper we show that method of stimulated recovery is also applicable to recover from degradation of the crystal's optical transmission caused by hadron interactions. The mechanisms of the damage under γ- and hadron-irradiation are discussed.

Original languageEnglish (US)
Article number6482281
Pages (from-to)1368-1372
Number of pages5
JournalIEEE Transactions on Nuclear Science
Volume60
Issue number2
DOIs
StatePublished - Mar 26 2013

Fingerprint

lead tungstates
Radiation damage
Scintillation
stimulation
radiation damage
scintillation
Dosimetry
Lead
recovery
Radiation
Recovery
dosage
Crystals
Calorimeters
calorimeters
radiation
Color centers
Defect structures
crystals
Light transmission

Keywords

  • IEEE Nuclear and Space Radiation Effects Conference
  • IEEE Transactions on Nuclear Science
  • Radiation effects
  • Radiation effects in microelectronics: radiation hardening

Cite this

Borisevitch, A. E., Dormenev, V. I., Fedorov, A. A., Korjik, M. V., Kuske, T., Mechinsky, V., ... Singovski, A. V. (2013). Stimulation of radiation damage recovery of lead tungstate scintillation crystals operating in a high dose-rate radiation environment. IEEE Transactions on Nuclear Science, 60(2), 1368-1372. [6482281]. https://doi.org/10.1109/TNS.2013.2243164

Stimulation of radiation damage recovery of lead tungstate scintillation crystals operating in a high dose-rate radiation environment. / Borisevitch, Andrei E.; Dormenev, Valeri I.; Fedorov, Andrei A.; Korjik, Mikhail V.; Kuske, Till; Mechinsky, Vitali; Missevitch, Oleg V.; Novotny, Rainer W.; Rusack, Rodger; Singovski, Alexander V.

In: IEEE Transactions on Nuclear Science, Vol. 60, No. 2, 6482281, 26.03.2013, p. 1368-1372.

Research output: Contribution to journalArticle

Borisevitch, AE, Dormenev, VI, Fedorov, AA, Korjik, MV, Kuske, T, Mechinsky, V, Missevitch, OV, Novotny, RW, Rusack, R & Singovski, AV 2013, 'Stimulation of radiation damage recovery of lead tungstate scintillation crystals operating in a high dose-rate radiation environment', IEEE Transactions on Nuclear Science, vol. 60, no. 2, 6482281, pp. 1368-1372. https://doi.org/10.1109/TNS.2013.2243164
Borisevitch, Andrei E. ; Dormenev, Valeri I. ; Fedorov, Andrei A. ; Korjik, Mikhail V. ; Kuske, Till ; Mechinsky, Vitali ; Missevitch, Oleg V. ; Novotny, Rainer W. ; Rusack, Rodger ; Singovski, Alexander V. / Stimulation of radiation damage recovery of lead tungstate scintillation crystals operating in a high dose-rate radiation environment. In: IEEE Transactions on Nuclear Science. 2013 ; Vol. 60, No. 2. pp. 1368-1372.
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