Effects of color reconnection on hadron flavor observables
Abstract
We present a series of observables for soft inclusive physics, and utilize them for comparison between two recently developed color reconnection models: the new color reconnection model in pythia and the DIPSY rope hadronization model. The observables are ratios of identified hadron yields as a function of the final-state activity, as measured by the charged multiplicity. Since both considered models have a nontrivial dependence on the final-state activity, the above observables serve as excellent probes to test the effect of these models. Both models show a clear baryon enhancement with increasing multiplicity, while only the DIPSY rope model leads to a strangeness enhancement. Flowlike patterns, previously found to be connected to color reconnection models, are investigated for the new models. Only pythia shows a ${p}_{\ensuremath{\perp}}$-dependent enhancement of the $\mathrm{\ensuremath{\Lambda}}/K$ ratio as the final-state activity increases, with the enhancement being largest in the mid-${p}_{\ensuremath{\perp}}$ region.