Colour Connection and Diquark Fragmentation in e^+e^- \to c \bar c q \bar q \to h's Process

Details Colour Connection and Diquark Fragmentation in e^+e^- \to c \bar c q \bar q \to h's Process Colour Connection and Diquark Fragmentation in e^+e^- \to c \bar c q \bar q \to h's Process

2006-01-24

arxiv.org/abs/hep-ph/0601195v2

Phys.Lett.B642:62-67,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 7 figures and 1 table in latex with axodraw.sty, version to appear in PLB

Scientific paper

10.1016/j.physletb.2006.08.067

The hadronization effects induced by different colour connections of $c\bar{c}q\bar{q}$ system in $e^+e^-$ annihilation are investigated by a toy model where diquark fragmentation is employed based on Pythia. It is found that the correlations between the charm baryons and charm antibaryons produced via diquark pair fragmentation are much stronger, and their momentum spectra are harder than those from the standard colour connection in Pythia.

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