Free Access

Fig. 7

thumbnail

Contours of constant χ, where χ is defined by Eq. (52) in the text. Adjacent contours are separated by a χ-interval of 15.0. The minimum point, indicated by the central dot within the circle, is and g-2(π) = 10.0 . The χ-value of this point is 2.22.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.