The AMS-02 magnetic spectrometer was installed on the International Space Station (ISS) in May 2011 and has since then been successfully collecting data. One of its main sub-detectors, the silicon tracker, determines the trajectory and absolute charge (Z) of cosmic rays by multiple measurements of energy loss in nine layers of double sided silicon micro-strip detectors. In this contribution we describe the procedure that has been used to accurately calibrate the tracker response and optimize its performances in terms of charge resolution.
Nuclear charge measurement with the ams-02 silicon tracker
Ambrosi G.;Battiston R.;Bertucci B.;Duranti M.;Fiandrini E.;Graziani M.;Ionica M.;Mereu I.;Oliva A.;Tomassetti N.;Zuccon P.
2013
Abstract
The AMS-02 magnetic spectrometer was installed on the International Space Station (ISS) in May 2011 and has since then been successfully collecting data. One of its main sub-detectors, the silicon tracker, determines the trajectory and absolute charge (Z) of cosmic rays by multiple measurements of energy loss in nine layers of double sided silicon micro-strip detectors. In this contribution we describe the procedure that has been used to accurately calibrate the tracker response and optimize its performances in terms of charge resolution.File in questo prodotto:
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