Asymmetric jet clustering in deep-inelastic scattering

TL;DR

This paper introduces the Centauro jet algorithm for deep-inelastic scattering that handles asymmetries and enables new studies of transverse momentum and low-energy jets at the Electron-Ion Collider.

Contribution

The paper presents a novel jet clustering algorithm tailored for DIS that accounts for asymmetries and allows access to previously challenging jet regimes.

Findings

Centauro algorithm is longitudinally invariant and compatible with Born kinematics.

It enables studies of transverse-momentum-dependent observables.

Access to low-energy jets from current fragmentation is demonstrated.

Abstract

We propose a new jet algorithm for deep-inelastic scattering (DIS) that accounts for the forward-backward asymmetry in the Breit frame. The Centauro algorithm is longitudinally invariant and can cluster jets with Born kinematics, which enables novel studies of transverse-momentum-dependent observables. Furthermore, we show that spherically-invariant algorithms in the Breit frame give access to low-energy jets from current fragmentation. We propose novel studies in unpolarized, polarized, and nuclear DIS at the future Electron-Ion Collider.