Latest AMS results : Proton, Helium and light nuclei

par Laurent Derome (LPSC)

lundi 18 mai 2015, 14:00 → 15:00 Europe/Paris

Amphithéâtre (CPPM)

The Alpha Magnetic Spectrometer (AMS) Experiment on the International Space Station has to date recorded over 60 billion cosmic ray events (e-, e+, p, antiproton, He, Li, B/C ...) up to TeV energies. AMS is a precision particle physics detector built with multiple redundancies and adapted to withstand the hostile environment of space over its long duration mission. The AMS Detector was assembled at CERN and extensively calibrated at the CERN accelerator before launch from the Kennedy Space Center to the ISS in May 2011. During the first four years of AMS on the ISS, the AMS Collaboration has been engaged in an intensive effort to analyze the increasing volume of charged cosmic rays collected with an accuracy of ~1%. In this talk I will present the status report of the measurement of anti-proton to proton ratio and the measurement of the proton, helium, and other nuclei fluxes.

Transparents AMS_Derome.pdf