14–24 Jul 2025
CICG - International Conference Centre - Geneva, Switzerland
Europe/Zurich timezone
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Energy dependence of the long-term GCR variation by AMS02 data

Not scheduled
20m
Levels -1 & 0

Levels -1 & 0

Poster Solar & Heliospheric Physics PO-1

Speaker

Renata Modzelewska

Description

Using measurements from the Alpha Magnetic Spectrometer AMS02 aboard the International Space Station, we have examined the long-term variations in galactic cosmic ray (GCR) proton fluxes in 2011–2018. The AMS02 data allow study of time profiles and the energy/rigidity dependence of the long-term GCR variations observed directly in space in a wide rigidity range, from ∼1 - 100 GV.
We have investigated the energy/rigidity dependence of the amplitude of the long-term GCR variations described by the power law fitting over the solar cycle in the period 2011-2018. For a physical interpretation, we have considered the relationship between the long-term GCR variations and solar wind plasma and other heliospheric parameters changeability.

Authors

Renata Modzelewska Dr Marek Siluszyk (Siedlce University) Prof. Krzysztof Iskra (Polish Air Force University) Prof. Agnieszka Gil (Siedlce University)

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