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Earth, Planets and Space
Fig. 18 | Earth, Planets and Space

Fig. 18

From: The influence of the sidereal cosmic-ray anisotropies originated on the tail- and nose-boundaries of the heliomagnetosphere (HMS) upon the solar cosmic-ray anisotropy produced inside the HMS

Fig. 18

The configuration of D(j)’s of five muon telescopes (V, N, E, S, W) at Nagoya observed in 1996 (A) and 1986 (B), and those derived theoretically from the solar anisotropy due to the diffusion-convection of cosmic rays with the spectrum with several combinations of γ and pu at the bottom (C). The loop connecting the theoretical four vectors is clockwise in the order of N, E, S, and W in the case of hard rigidity spectrum (γ = 0 and pu > 100 GV), but in the case of the soft spectrum it is anticlockwise. In the intermediate rigidity region, the loop is in a twisted state. Note that, the magnitude of all the V-vectors in the figure are normalized to unity.

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