Scaling behaviour of dN/dy in high-energy collisions
Universe(2023)
摘要
From a recently found family of analytic, finite and accelerating
1+1-dimensional solutions to perfect fluid relativistic hydrodynamics, we
derive simple and powerful formulae to describe the rapidity and pseudorapidity
density distributions. By introducing a new scaling function, we notice that
the rapidity distribution data of the different experiments all collapse into a
single curve. This data-collapsing (or scaling) behaviour in the rapidity
distributions suggests that high-energy p+p collisions may be described as
collective systems.
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关键词
heavy-ion physics,rapidity distribution,scaling,hydrodynamics,exact solutions,data collapsing
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