Emergence of high-energy dynamics from cascade-baryon detections at the LHC

Abstract

We propose the inclusive detection at the LHC of a cascade ${\Xi }^{-}/{\bar{\Xi }}^{+}$ baryon in association with a jet, as a novel probe channel for the QCD dynamics at high energies. We investigate the behavior of a selection of distributions, differential in rapidity, azimuthal angle and/or transverse momenta, calculated via the hybrid high-energy/collinear factorization encoding the full next-to-leading BFKL resummation of energy logarithms. We come out with the conclusion that the fragmentation mechanism underlying the production of ${\Xi }^{-}/{\bar{\Xi }}^{+}$ baryon states leads to stabilization effects of the resummation, similar to those recently observed in the context of heavy-flavor studies within the same formalism.

Comments: 39 pages, 7 figures, 291 references. Version published in Eur. Phys. J C