32 papers
Production rate of bb(bar) quark pairs from gluons and bb(bar)bb(bar) events in hadronic Z Decays
The OPAL collaboration, G. Abbiendi
The rates are measured per hadronic Z decay for gluon splitting to bb(bar) quark pairs, g_bb, and of events containing two bb(bar) quark pairs, g_4b, using a sample of four-jet eve…
Measurement of the B0 Lifetime and Oscillation Frequency using B0->D*+l-v decays
The OPAL collaboration, G. Abbiendi
The lifetime and oscillation frequency of the B0 meson has been measured using B0->D*+l-v decays recorded on the Z0 peak with the OPAL detector at LEP. The D*+ -> D0pi+ decays were…
A Measurement of the Rate of Charm Production in W Decays
The OPAL collaboration, G. Abbiendi
Using data recorded at centre-of-mass energies around 183 GeV and 189 GeV with the OPAL detector at LEP, the fundamental coupling of the charm quark to the W boson has been studied…
Measurement of the Mass and Width of the W Boson in e+e- Collisions at 189 GeV
The OPAL collaboration, G. Abbiendi
The mass and width of the W boson are determined in e+e- collisions at LEP using 183 pb^-1 of data recorded at a centre-of-mass energy roots=189 GeV with the OPAL detector. The inv…
First Measurement of the Inclusive Branching Ratio of b Hadrons to phi Mesons in Z0 Decays
The OPAL collaboration, G. Abbiendi
The inclusive production rate of phi mesons from the decay of b hadrons produced in Z0 decays was measured to be Br(b->phi+X) = 0.0282+-0.0013(stat.)+-0.0019(syst.), using data col…
Searches for prompt light gravitino signatures in e+e- Collisions at sqrt{s}=189GeV
The OPAL collaboration, G. Abbiendi
Searches for final states expected in models with light gravitinos have been performed, including experimental topologies with multi-leptons with missing energy, leptons and photon…