In-flight performance of the AMS-02 silicon tracker

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The silicon microstrip Tracker is a key subdetector of the AMS-02 instrument, designed to measure the momentum and charge of cosmic rays. The subdetector is composed of 9 layers of silicons sensors inside a permanent 0.15 T magnetic field. The detector has been installed on board of the International Space Station, at an altitude of 400 km, and is taking data since May 19th 2011. AMS-02 aims to provide a precise measurement of the cosmic-ray spectrum and perform antimatter searches in the GeV-TeV energy range. This review presents the Tracker performances during the first year of operation in space, covering all the most relevant aspects of detector stability, efficiency and capabilities in charge and track reconstruction.

Idioma originalInglés
Número de artículo012032
PublicaciónJournal of Physics: Conference Series
EstadoPublicada - 2013
Publicado de forma externa
Evento23rd European Cosmic Ray Symposium, ECRS 2012 and 32nd Russian Cosmic Ray Conference - Moscow, Federación de Rusia
Duración: 3 jul. 20127 jul. 2012


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