Rapidity scaling of multiplicity distributions in a quantum-statistical approach

Abstract
Quantum statistics including a finite coherence length is applied to the study of multiplicity distributions from high-energy hadronic collisions measured in finite rapidity windows. A new scaling property in rapidity (‘‘β scaling’’) is derived. It contains forward-backward correlations as a special case. Agreement with data is satisfactory. We find strong indications for an increase of chaoticity with energy. Further experimental tests are suggested.