Non-perturbative gluon evolution, squeezing, correlations and chaos in jets

Details Non-perturbative gluon evolution, squeezing, correlations and chaos in jets Non-perturbative gluon evolution, squeezing, correlations and chaos in jets

2002-03-22

arxiv.org/abs/hep-ph/0203218v3

Phys.Atom.Nucl. 65 (2002) 309-314

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 3 figures, Reported on IPPP Workshop on Multiparticle Production in QCD Jets (University of Durham, Durham, UK, 12-1

Scientific paper

10.1134/1.1451947

We study evolution of colour gluon states in isolated QCD jet at the non-perturbative stage. Fluctuations of gluons are less than those for coherent states under specific conditions. This fact suggests that there gluon squeezed states can arise. The angular and rapidity dependencies of the normalized second-order correlation function for present gluon states are studied at this stage of jet evolution. It is shown that these new gluon states can have both sub-Poissonian and super-Poissonian statistics corresponding to, respectively, antibunching and bunching of gluons by analogy with squeezed photon states. We investigate the possibility of coexisting both squeezing and chaos using Toda criterion and temporal correlator analysis. It is shown that these effects may coexist under some conditions.

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