Free Access
Fig. 3
Values for Xmax from Swordy & Kieda (2000; black diamonds). We extrapolated the values to 64 MeV−0.5 TeV (red crosses) for the current study. Also shown are the values for Xmax as used by Grenfell et al. (2012; blue crosses).
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.