The alpha magnetic spectrometer silicon tracker: Performance results with protons and helium nuclei

J. Alcaraz, B. Alpat, G. Ambrosi, Ph Azzarello, R. Battiston, B. Bertucci, J. Bolmont, M. Bourquin, W. J. Burger, M. Capell, F. Cardano, Y. H. Chang, V. Choutko, E. Cortina, N. Dinu, G. Esposito, E. Fiandrini, D. Haas, S. Haino, M. IonicaR. Ionica, A. Jacholkowska, A. Kounine, V. Koutsenko, G. Lamanna, A. Lebedev, C. Lechanoine-Leluc, C. H. Lin, M. Menichelli, A. Mihul, S. Natale, A. Oliva, M. Paniccia, M. Pauluzzi, E. Perrin, M. Pohl, D. Rapin, M. Sapinski, I. Sevilla, C. F. da Silva Costa, N. Tomassetti, W. Wallraff, P. Zuccon, C. Zurbach

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

The Alpha Magnetic Spectrometer is designed for a long duration measurement of the cosmic-ray spectra at an altitude of 400 km. The particle rigidity and specific energy loss are measured by a silicon tracker located in a 0.8 T field. Ground results for the position resolution, detection efficiency and charge determination for singly and doubly charged relativistic particles are presented and discussed in the context of the spaceborne detector.

Original languageEnglish
Pages (from-to)376-398
Number of pages23
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume593
Issue number3
DOIs
StatePublished - 11 Aug 2008

Keywords

  • Charged particle spectrometers
  • Cosmic-ray detectors
  • Spaceborne and space research instruments
  • Tracking and position sensitive detectors

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