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Charge determination of nuclei with the AMS-02 silicon tracker

CollaborationWith : Azzarello, Philipp / Bene, Pierre / Bourquin, Maurice / Bouvier, Philippe / Cortina Gil, Eduardo / Haas, Daniel / Hakobyan, Hayk / Leluc, Catherine / Masciocchi, Florian / Natale, Sonia / Paniccia, Mercedes / Perrin, Eric / Pohl, Martin / Rapin, Divic Jean / Richeux, Jean-Pierre / Willenbrock, Manfred
Published in Nuclear Instruments and Methods in Physics Research. A. 2005, vol. 540, no. 1, p. 121-130
Abstract The silicon tracker of the AMS-02 detector measures the trajectory in three dimensions of electrons, protons and nuclei to high precision in a dipole magnetic field and thus measures their rigidity (momentum over charge) and the sign of their charge. In addition, it measures the specific energy loss of charged particles to determine the charge magnitude. Ladders from the AMS-02 tracker have been exposed to ion beams at CERN and GSI to study their response to nuclei from helium up to the iron group. The longest ladder, View the MathML source72×496mm2, verified in the tests contains 12 sensors. Good charge resolution is observed up to iron
Keywords AMS-02Silicon trackerEnergy lossCharge of nuclei
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AMS-02 TRACKER COLLABORATION. Charge determination of nuclei with the AMS-02 silicon tracker. In: Nuclear Instruments and Methods in Physics Research. A, 2005, vol. 540, n° 1, p. 121-130. doi: 10.1016/j.nima.2004.11.012 https://archive-ouverte.unige.ch/unige:41610

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Deposited on : 2014-11-07

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