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Development of cryogenic Si detectors by CERN RD39 Collaboration for ultra radiation hardness in SLHC environment

  • Zheng Li
  • , M. Abreu
  • , P. Anbinderis
  • , T. Anbinderis
  • , N. D'Ambrosio
  • , W. de Boer
  • , E. Borchi
  • , K. Borer
  • , M. Bruzzi
  • , S. Buontempo
  • , W. Chen
  • , V. Cindro
  • , A. Dierlamm
  • , V. Eremin
  • , E. Gaubas
  • , V. Gorbatenko
  • , E. Grigoriev
  • , F. Hauler
  • , E. Heijne
  • , S. Heising
  • O. Hempel, R. Herzog, J. Härkönen, I. Ilyashenko, S. Janos, L. Jungermann, V. Kalesinskas, J. Kapturauskas, R. Laiho, P. Luukka, I. Mandic, Rita De Masi, D. Menichelli, M. Mikuz, O. Militaru, T. O. Niinikosky, V. O'Shea, S. Pagano, S. Paul, K. Piotrzkowski, K. Pretzl, P. Rato Mendes, X. Rouby, G. Ruggiero, K. Smith, P. Sonderegger, P. Sousa, E. Tuominen, E. Tuovinen, E. Verbitskaya, J. Vaitkus, E. Wobst, M. Zavrtanik
  • Brookhaven National Laboratory
  • LIP - Lisboa
  • Vilnius University
  • Instiuto di Cibernetica E. Caianiello
  • University of Karlsruhe
  • University of Florence
  • University of Bern
  • Jožef Stefan Institute
  • The Russian Academy of Sciences
  • University of Geneva
  • European Organization for Nuclear Research
  • Technische Universität Dresden
  • University of Helsinki
  • University of Turku and Turku University Hospital
  • Technical University of Munich
  • Centre Hospitalier Universitaire (CHU) Mont-Godinne
  • University of Glasgow

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

There are two key approaches in our CERN RD 39 Collaboration efforts to obtain ultra-radiation-hard Si detectors: (1) use of the charge/current injection to manipulate the detector internal electric field in such a way that it can be depleted at a modest bias voltage at cryogenic temperature range (≤150 K), and (2) freezing out of the trapping centers that affects the CCE at cryogenic temperatures lower than that of the liquid nitrogen (LN2) temperature. In our first approach, we have developed the advanced radiation hard detectors using charge or current injection, the current injected diodes (CID). In a CID, the electric field is controlled by injected current, which is limited by the space charge, yielding a nearly uniform electric field in the detector, independent of the radiation fluence. In our second approach, we have developed models of radiation-induced trapping levels and the physics of their freezing out at cryogenic temperatures.

Original languageEnglish
Pages (from-to)305-310
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume572
Issue number1 SPEC. ISS.
DOIs
StatePublished - 1 Mar 2007

Keywords

  • CCE
  • Current injection
  • Si cryogenic detectors
  • Trapping freeze-out

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