Event-activity-dependent beauty-baryon enhancement in simulations with color junctions

TL;DR

This paper investigates the observed enhancement of beauty baryon production at low transverse momentum in high-energy collisions, proposing new event-shape based probes to differentiate between production mechanisms using LHC Run-3 data.

Contribution

It introduces sensitive event-shape probes to distinguish between different beauty production scenarios and compares these with charm sector predictions, advancing understanding of baryon enhancement.

Findings

Enhanced beauty baryon-to-meson ratios observed in experiments.

Proposed event shape probes can differentiate production mechanisms.

Comparison with charm sector predictions supports the proposed models.

Abstract

Recent results from ALICE and CMS show a low-transverse-momentum enhancement of charm baryon-to-meson production ratios over model predictions based on e$^+$e$^-$ collisions. Several mechanisms are proposed to understand this phenomenon. New measurements by the LHCb and ALICE experiments show a similar enhancement in the beauty sector. We explore this enhancement in terms of event activity using the color-reconnection beyond leading order approximation model. We propose sensitive probes relying on the event shape that will allow for the differentiation between the proposed beauty-production scenarios using freshly collected LHC Run-3 data, and we also compare these to predictions for charm. Our results will contribute to a deeper theoretical understanding of the heavy-flavor baryon enhancement and its relation to baryon enhancement in general.