In-flight operations and efficiency of the AMS-02 silicon tracker

G. Ambrosi, P. Azzrello, R. Battiston, J. Bazo, B. Bertucci, E. Choumilov, V. Choutko, C. Delgado-Mendez, M. Duranti, D. D’Urso, E. Fiandrini, M. Graziani, M. Habiby, S. Haino, M. Ionica, I. Mereu, S. Natale, F. Nozzoli, A. Oliva, M. PanicciaC. Pizzolotto, M. Pohl, D. Rapin, P. Saouter, N. Tomassetti, K. Wu, Z. Zhang, P. Zuccon

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

2 Citas (Scopus)

Resumen

The AMS-02 instrument has been installed on board of the International Space Station and is taking data since May 19th 2011. One of the key subdetectors of AMS-02 is the silicon microstrip Tracker, designed to precisely measure the trajectory and absolute charge of cosmic rays in the GeV-TeV energy range. This report presents the Tracker online operations and calibration during the first two years of data taking in space. It covers several aspects of the detector stability and calibration, such as dead and noisy strips, pedestals and temperature dependence, used for selecting good data for physics analysis. In addition, the method for evaluating the track reconstruction efficiency is discussed, which uses other subdetectors for an independent estimation. The results of the track efficiency, that are used in the calculation of cosmic rays fluxes, are presented.

Idioma originalInglés
Título de la publicación alojadaProceedings of the 33rd International Cosmic Rays Conference, ICRC 2013
EditorialSociedade Brasileira de Fisica
ISBN (versión digital)9788589064293
EstadoPublicada - 2013
Publicado de forma externa
Evento33rd International Cosmic Rays Conference, ICRC 2013 - Rio de Janeiro, Brasil
Duración: 2 jul. 20139 jul. 2013

Serie de la publicación

NombreProceedings of the 33rd International Cosmic Rays Conference, ICRC 2013
Volumen2013-October

Conferencia

Conferencia33rd International Cosmic Rays Conference, ICRC 2013
País/TerritorioBrasil
CiudadRio de Janeiro
Período2/07/139/07/13

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