Measurement of the production rate of charm quark pairs from gluons in hadronic Z$^{\mathbf{0}}$ decays

The OPAL Collaboration:     G.Abbiendi - et al.

doi:doi:10.1007/s100520000260

EPJ

Measurement of the production rate of charm quark pairs
from gluons in hadronic Z⁰ decays

The OPAL Collaboration

G.Abbiendi $^{\rm 2}$ - et al.

² Dipartimento di Fisica dell' Università di Bologna and INFN, 40126 Bologna, Italy

Abstract
The rate of secondary charm-quark-pair production has been measured in 4.4 million hadronic Z⁰ decays collected by OPAL. By selecting events with three jets and tagging charmed hadrons in the gluon jet candidate using leptons and $\mathrm{ D^{\star\pm}}$ mesons, the average number of secondary charm-quark pairs per hadronic event is found to be (3.20 $\pm$ 0.21 $\pm$ 0.38) $\times10^{-2}$ .

23rd International Summer School on Vacuum, Electron, and Ion Technologies (VEIT)
18-22 September 2023
Sozopol, Bulgaria

EPJ

Measurement of the production rate of charm quark pairs from gluons in hadronic Z0 decays

Conference announcements

Measurement of the production rate of charm quark pairs
from gluons in hadronic Z⁰ decays