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The Galileo spacecraft’s magnetometer data allowed for an understanding of the Galilean satellites’ internal magnetic fields. My objective was to learn the nature of these fields and see if they are consistent with geological and observational data by reviewing all relevant papers and seeking parallels or inconsistencies between them. The results show that Europa and Callisto have internal brin...

We show how to obtain information about the states of an effective field theory in terms of the underlying fundamental theory. In particular, we analyze the spectroscopic nature of meson resonances from the meson-meson scattering amplitudes of the QCD low energy effective theory, combined with the expansion in the large number of colors. The vectors follow a qq behavior, whereas the sigma, kapp...