Nuclei Charge measurement with the AMS-02 Silicon Tracker
- Ambrosi, G.
- Azzarello, P.
- Battiston, R.
- Bazo, J.
- Bertucci, B.
- Choumilov, E.
- Choutko, V.
- Crispoltoni, M.
- Delgado, C.
- Duranti, M.
- Donnini, F.
- D'Urso, D.
- Fiandrini, E.
- Formato, V.
- Graziani, M.
- Habiby, M.
- Haino, S.
- Ionica, M.
- Kanishchev, K.
- Nozzoli, F.
- Oliva, A.
- Paniccia, M.
- Pizzolotto, C.
- Pohl, M.
- Qin, X.
- Rapin, D.
- Saouter, P.
- Tomassetti, N.
- Vitale, V.
- Vitillo, S.
- Wu, X.
- Zhang, Z.
- Zuccon, P.
DOIAbstract
International audienceThe Alpha Magnetic Spectrometer (AMS-02) is an astroparticle physics detector that has been installed on the International Space Station (ISS) in May 2011. The purpose of the experiment is to study with unprecedented precision and statistics cosmic-ray particles in an energy range from 0.5 GeV to few TeV. The AMS-02 Tracker system accurately determines the trajectory and absolute charge (Z) of cosmic rays by multiple measurements of the coordinates in nine layers of double-sided silicon micro-strip detectors. Given the high dynamic range of the front-end electronics, nuclei from hydrogen up to iron and above can be identified. The charge resolution could be naturally degraded by a number of detector effects that need t...
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