6–10 Jul 2026
University of the Western Cape
Africa/Johannesburg timezone
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A Simulation of Galactic Proton Spectrum Observed Over Solar Minimum Period of Solar Cycle 24

8 Jul 2026, 16:20
1h 20m
Great Hall ( University of the Western Cape)

Great Hall

University of the Western Cape

Poster Presentation Track D - Astrophysics & Space Science Poster Session 2

Speaker

THATO MAJA

Description

Measurements of cosmic ray isotope fluxes by spacecraft missions, such as
PAMELA, have generated interest in the study of solar modulation over changing
solar activity. These exceptional measurements provide an opportunity for
improved numerical modeling of the solar modulation of galactic cosmic rays
across a wide range of rigidity at Earth. In this study, a three-dimensional drift
model will be used to calculate theoretical spectra comparable to the solar cycle
24 minimum period of 2006-2012 observed spectra. This modeling would be
based on intrinsic parameters derived from comparing model computations to
data already collected by the spacecraft. The model is used to model global
spectra and at lower energies e.g., at 1 GeV,in order to study time-dependent
modulation.

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Authors

Dr Dzivhuluwani Ndiitwani (North West University) THATO MAJA

Presentation materials

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