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Precision Measurement of the Proton Flux in Primary Cosmic Rays from 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station
Cristina Consolandi
A precision measurement of the proton flux in primary cosmic rays with rigidity from 1 GV to 1.8 TV is presented based on 300 million events. The results show that the proton flux…
Measurement of the isotopic composition of hydrogen and helium nuclei in cosmic rays with the PAMELA experiment
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +59
The satellite-borne experiment PAMELA has been used to make new measurements of cosmic ray H and He isotopes. The isotopic composition was measured between 100 and 600 MeV/n for hy…
The discovery of geomagnetically trapped cosmic ray antiprotons
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +61
The existence of a significant flux of antiprotons confined to Earth's magnetosphere has been considered in several theoretical works. These antiparticles are produced in nuclear i…
PAMELA Measurements of Cosmic-ray Proton and Helium Spectra
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +62
Protons and helium nuclei are the most abundant components of the cosmic radiation. Precise measurements of their fluxes are needed to understand the acceleration and subsequent pr…
The cosmic-ray electron flux measured by the PAMELA experiment between 1 and 625 GeV
PAMELA Collaboration, O. Adriani, G. C. Barbarino +64
Precision measurements of the electron component in the cosmic radiation provide important information about the origin and propagation of cosmic rays in the Galaxy. Here we presen…
PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy
PAMELA Collaboration, O. Adriani, G. C. Barbarino +61
The satellite-borne experiment PAMELA has been used to make a new measurement of the cosmic-ray antiproton flux and the antiproton-to-proton flux ratio which extends previously pub…