Test beam performance of the ALICE silicon pixel detector

P. Nilsson, G. Anelli, F. Antinori, A. Boccardi, M. Burns, I. A. Cali, M. Campbell, M. Caselle, P. Chochula, M. Cinausero, A. Dalessandro, R. Dima, R. Dinapoli, D. Elia, H. En'yo, D. Fabris, R. Fini, E. Fioretto, F. Formenti, K. FujiwaraJ. M. Heuser, H. Kano, S. Kapusta, A. Kluge, M. Krivda, V. Lenti, F. Librizzi, M. Lunardon, V. Manzari, M. Morel, S. Moretto, H. Ohnishi, A. Olmos Giner, F. Osmic, G. S. Pappalardo, A. Pepato, G. Prete, P. Riedler, R. Santoro, F. Scarlassara, G. Segato, F. Soramel, G. Stefanini, K. Tanida, A. Taketani, R. Turrisi, L. Vannucci, G. Viesti, T. Virgili

Research output: Contribution to journalConference articlepeer-review

7 Citations (Scopus)


The ALICE Silicon Pixel Detector (SPD) will include 1200 bump-bonded readout chips produced in a commercial 0.25 μ CMOS process. Each chip has 8192 pixels of size 50 × 425 μm2, which leads to about 10 million readout channels in the whole detector system. Test beam measurements were recently carried out at the CERN SPS using a positive proton/pion beam as well as a 158 A GeV/c heavy ion beam (In) with a fixed Pb target. Analysis show good performance of the ALICE chip and assemblies in the positive beam as well as in the high multiplicity In beam. Preliminary results from data analysis show good performance of the SPD and fulfill the ALICE requirements.

Original languageEnglish
Pages (from-to)424-427
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
Publication statusPublished - 2004 Dec 11
Externally publishedYes
EventProceedings of the 10th International Viennna Conference - Vienna, Austria
Duration: 2004 Feb 162004 Feb 21


  • Heavy ions
  • Silicon Pixel detector
  • Test beams

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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