Distribution of the virialisation parameter βvir for haloes with mass M > 3 × 1013 M⊙ h-1. βvir using the potential energy obtained through direct summation WDS, which was defined in Eq. (37), is shown in orange with upward hatching, and βvir using W, defined in Eq. (33), is shown in blue with downward hatching. The vertical black lines visualise our criterion for virialisation, i.e. | βvir | < 0.2.
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