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The Alpha Magnetic Spectrometer (AMS), to be installed on the International Space Station, will provide data on cosmic radiations in a large range of rigidity from 0.5 GV up to 2 TV. The main physics goals in the astroparticle domain are the anti- matter and the dark matter searches. Observations and cosmology indicate that the Universe may include a large amount of unknown Dark Matter. It should be composed of non baryonic Weakly Interacting Massive Particles (WIMP). A good WIMP candidate being the lightest SUSY particle in R-parity conserving models. AMS offers a unique opportunity to study simultaneously SUSY dark matter in three decay channels from the neutralino annihilation: e+, antiproton and gamma. The supersymmetric theory frame is considered together with alternative scenarios (extra dimensions). The expected flux sensitiviti...
The Alpha Magnetic Spectrometer, AMS-02, is operating on board the International Space Station since the 19th of May 2011 and has collected more than 15 billion events. The main scientific goals of the experiment are the search for antimatter and dark matter, the high precision measurement of charged cosmic ray spectra and fluxes, and the study of gamma rays in the GeV to TeV energy range. The Electromagnetic Calorimeter (ECAL) of AMS02 is required to measure e+, e- and gamma spectra and to discriminate electromagnetic showers from hadronic cascades. To fulfill these requirements ECAL is based on a lead/scintillating fiber sandwich, providing a 3D imaging reconstruction of the showers. The electronics, with low noise and challenging dynamic range readout, were designed following stringent requirements on mechanical and thermal stabilit...
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