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Preliminary results of 3D-DDTC pixel detectors for the ATLAS upgrade

  • Alessandro La Rosa
  • , M. Boscardin
  • , G. F. Dalla Betta
  • , G. Darbo
  • , C. Gemme
  • , H. Pernegger
  • , C. Piemonte
  • , M. Povoli
  • , S. Ronchin
  • , A. Zoboli
  • , N. Zorzi
  • , E. Bolle
  • , M. Borri
  • , C. Da Via
  • , S. Dong
  • , S. Fazio
  • , P. Grenier
  • , S. Grinstein
  • , H. Gjersdal
  • , P. Hansson
  • F. Huegging, P. Jackson, M. Kocian, F. Rivero, O. Rohne, H. Sandaker, K. Sjobak, T. Slavicek, W. Tsung, D. Tsybychev, N. Wermes, C. Young
  • CERN
  • ITC-IRST
  • University of Trento
  • National Institute for Nuclear Physics
  • University of Oslo
  • University of Turin
  • SLAC National Accelerator Laboratory
  • University of Calabria
  • University of Bergen
  • Czech Technical University in Prague
  • Stony Brook University
  • Institute for High Energy Physics

Research output: Contribution to journalConference articlepeer-review

Abstract

3D Silicon sensors fabricated at FBK-irst with the Double-side Double Type Column (DDTC) approach and columnar electrodes only partially etched through p-type substrates were tested in laboratory and in a 1.35 Tesla magnetic field with a 180GeV pion beam at CERN SPS. The substrate thickness of the sensors is about 200μm, and different column depths are available, with overlaps between junction columns (etched from the front side) and ohmic columns (etched from the back side) in the range from 110μm to 150μm. The devices under test were bump bonded to the ATLAS Pixel readout chip (FEI3) at SELEX SI (Rome, Italy). We report leakage current and noise measurements, results of functional tests with Am241 γ-ray sources, charge collection tests with Sr90 β-source and an overview of preliminary results from the CERN beam test.

Original languageEnglish
JournalProceedings of Science
StatePublished - 2009
Event9th International Conference on Large Scale Applications and Radiation Hardness of Semiconductor Detectors, RD 2009 - Florence, Italy
Duration: Sep 30 2009Oct 2 2009

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