The soft limit of the energy spectra in QCD jets
S. Lupia
Abstract
A scaling law for the one-particle invariant density E dn/d3p at small momenta is observed in experimental data. We show that these results are consistent with the predictions of the analytical QCD approach, based on Modified Leading Log Approximation plus Local Parton Hadron Duality, which includes colour coherence in soft gluon bremsstrahlung.
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