Terminology:Rapidity

Rapidity

Frequently used quantity in relativistic heavy-ion collisions. It is defined as:

Some typical values:

Elab (GeV/A) p0 (GeV) y vlab (c)

0.1 1.04 0.458 0.428

1.0 1.94 1.35 0.875

10 10.9 3.15 0.996

100 101 5.37 0.999

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