Speaker
Jiahui Wei
(Universite de Geneve (CH))
Description
The Beryllium isotopic composition in cosmic rays provides essential information for the study of the propagation of cosmic rays in the Galaxy. The Alpha Magnetic Spectrometer (AMS) installed on the International Space Station (ISS) since May 2011 provides the opportunity to measure this composition in the energy range from ~0.2 GeV/n to ~10 GeV/n with unprecedented precision. For events selected with a specific nuclear charge, the particle mass is obtained combining the velocity measured by the Time of Flight (ToF) or by the Ring Imaging Cherenkov (RICH) detectors with the rigidity measured by the silicon tracker. A method to extract the relative isotopic abundances from the mass distribution will be presented.
Author
Jiahui Wei
(Universite de Geneve (CH))
