Hadronisation corrections for jets in the k_t algorithm

TL;DR

This paper demonstrates that hadronisation corrections for jets in the k_t algorithm scale as 1/R at small R and are directly related to 1/Q corrections in event shapes from e+e- annihilation, linking jet and event shape phenomenology.

Contribution

It establishes a clear connection between 1/R hadronisation corrections in jet algorithms and 1/Q corrections in event shape observables.

Findings

Hadronisation corrections scale as 1/R at small R.

Corrections in jet algorithms are linked to event shape corrections.

Provides a unified understanding of non-perturbative effects.

Abstract

It has recently been established that hadronisation corrections to QCD jets vary as $1/R$, at small $R$, for jets of radius $R$. Here we demonstrate, using jets in the $k_t$ algorithm, that the magnitude of these $1/R$ corrections are unambiguously linked to the magnitude of $1/Q$ corrections to commonly studied event shapes in $e^{+}e^{-}$ annihilation.