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July 29, 2015 to August 6, 2015
World Forum
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AMS-02 Monthly Proton Flux: Solar Modulation Effect and Short Time Scale Phenomena

Aug 4, 2015, 11:30 AM
Mississippi (World Forum)


World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Oral contribution SH-EX Parallel SH 06 Cycle & AMS


Cristina Consolandi (University of Hawai'i at Manoa (US))


The Alpha Magnetic Spectrometer (AMS-02) is a high-energy particle detector designed to perform fundamental physics research in space. It was installed on the International Space Station (ISS) on May 19, 2011. During the first 30 months of operations, AMS-02 collected 41 billion events of primary cosmic rays between 1 GV and 1.8 TV. In this work, we analyze the detailed time variation of the proton flux with a monthly time-based integration. While at high energy the spectra remains stable versus time, the low-energy range exhibits a decreasing general trend, strongly reflecting the increase of the solar activity that recently reached its maximum. The monthly AMS-02 proton flux, below 10 GV, shows fluctuations related to strong Coronal Mass Ejections. This short time scale variation is consistent with the one measured by GOES-13.
Registration number following "ICRC2015-I/" 808
Collaboration AMS

Primary author

Cristina Consolandi (University of Hawai'i at Manoa (US))


Claudio Corti (University of Hawai'i at Manoa (US)) Kathryn Whitman (University of Hawai'i at Manoa (US)) Veronica Bindi (University of Hawai'i at Manoa (US))

Presentation materials