activity
19972003
most citedSearch for Anomalous Production of Di-lepton Events with Missing Transverse Momentum in e+e- Collisions at sqrt(s) = 183-209 GeV

144 citations · 355 across the 12 of their papers we have counts for

collaborators

12 papers

hep-ex2003★ 144 cited

Search for Anomalous Production of Di-lepton Events with Missing Transverse Momentum in e+e- Collisions at sqrt(s) = 183-209 GeV

The OPAL collaboration, G. Abbiendi

In total 1317 di-lepton events with significant missing transverse momentum were identified in a total data sample of 680 pb-1 collected at e+e- centre-of-mass energies ranging fro…

hep-ex1998★ 16 cited

A Measurement of the tau->electron Branching Ratio

The OPAL Collaboration, G. Abbiendi et al

The branching ratio for the decay tau->e nue nutau has been measured using Z0 decay data collected by the OPAL experiment at LEP. In total 33073 tau->e nue nutau candidates were id…

hep-ex1998★ 8 cited

Bose-Einstein Correlations in e+e- to W+W- at 172 and 183 GeV

The OPAL Collaboration, G. Abbiendi et al

Bose-Einstein correlations between like-charge pions are studied in hadronic final states produced by e+e- annihilations at center-of-mass energies of 172 and 183 GeV. Three event…

hep-ex1998★ 37 cited

A Measurement of Rb using a Double Tagging Method

The OPAL Collaboration, G. Abbiendi et al

The fraction of Z to bbbar events in hadronic Z decays has been measured by the OPAL experiment using the data collected at LEP between 1992 and 1995. The Z to bbbar decays were ta…

hep-ex1998★ 9 cited

First Measurement of Z/gamma* Production in Compton Scattering of Quasi-real Photons

OPAL Collaboration, G. Abbiendi et al

We report the first observation of Z/gamma* production in Compton scattering of quasi-real photons. This is a subprocess of the reaction e+e- to e+e-Z/gamma*, where one of the fina…

hep-ex1998★ 18 cited

Search for Higgs Bosons and New Particles Decaying into Two Photons at sqrt(s) = 183 GeV

The OPAL Collaboration, K. Ackerstaff et al

A search for the resonant production of high mass photon pairs associated with a leptonic or hadronic system has been performed using a data sample of 57.7 pb-1 collected at an ave…

hep-ex1998★ 33 cited

Measurement of the Average Polarization of b Baryons in Hadronic Z^0 Decays

The OPAL Collaboration, G. Abbiendi et al

In the Standard Model, b quarks produced in e^+e^- annihilation at the Z^0 peak have a large average longitudinal polarization of -0.94. Some fraction of this polarization is expec…

hep-ex1998★ 25 cited

Search for Stable and Long-Lived Massive Charged Particles with the OPAL Detector at LEP in e+e- Collisions at \sqrt{s}=130-183 GeV

The OPAL Collaboration, K. Ackerstaff et al

A search for stable and long-lived massive particles of electric charge |Q/e| = 1 or 2/3, pair-produced in e+e- collisions at centre-of-mass energies from 130 to 183 GeV, is report…

hep-ex1998★ 6 cited

Search for an Excess in the Production of Four-Jet Events from e^+e^- Collisions at \sqrt{s} = 130-184 GeV

The OPAL Collaboration, K. Ackerstaff et al

Events with four distinct jets from e^+e^- collisions, collected by the OPAL detector at centre-of-mass energies between 130 and 184 GeV, are analysed for a peak in the sum of dije…

hep-ex1997★ 11 cited

Measurement of triple gauge boson couplings from W^+W^- production at sqrt{s} = 172 GeV

The OPAL Collaboration, K. Ackerstaff et al

We present measurements of triple gauge boson coupling parameters using data recorded by the OPAL detector at LEP2 at a centre-of-mass energy of 172 GeV. A total of 120 W-pair cand…

hep-ex1997★ 9 cited

Search for a Massive Di-photon Resonance at sqrt{s} = 91-172 GeV

The OPAL Collaboration, K. Ackerstaff et al

A search for the resonant production of high mass photon pairs associated with a leptonic or hadronic system has been performed using a total data sample of 25.7 pb^-1 taken at cen…

hep-ex1997★ 39 cited

Spin alignment of leading K*(892)^0 mesons in hadronic Z^0 decays

The OPAL Collaboration, K. Ackerstaff et al

Helicity density matrix elements for inclusive K*(892)^0 mesons from hadronic Z^0 decays have been measured over the full range of K^*0 momentum using data taken with the OPAL expe…