activity
19942001
most citedA Measurement of Rb using a Vertex Mass Tag

56 citations · 368 across the 20 of their papers we have counts for

collaborators

20 papers

hep-ex2001★ 9 cited

Single Intermediate Vector Boson Production in e+e- collisions at sqrt(s) = 183 and 189 GeV

DELPHI Collaboration, P. Abreu

The cross-sections for the production of single charged and neutral intermediate vector bosons were measured using integrated luminosities of 52 pb^{-1} and 154 pb^{-1} collected b…

hep-ex2001★ 31 cited

Measurement of the anti-B ---> D* pi lepton anti-neutrino(lepton) Branching Fraction

The DELPHI Collaboration, P. Abreu

A study of b semileptonic decays into D, D pi+- and D* pi+- final states is presented. The D0, D+ and D*+ mesons are exclusively reconstructed in Z decay data recorded from 1992 to…

hep-ex2001★ 11 cited

Update of the search for charginos nearly mass-degenerate with the lightest neutralino

The DELPHI Collaboration, P. Abreu

The data collected by DELPHI in 1998 at the centre-of-mass energy of 189 GeV have been used to update the search for charginos nearly mass-degenerate with the lightest supersymmetr…

hep-ex2001★ 15 cited

Search for supersymmetric partners of top and bottom quarks at sqrt(s) = 189 GeV

The DELPHI Collaboration, P. Abreu

Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model exp…

hep-ex2001★ 12 cited

Limits on the Masses of Supersymmetric Particles at sqrt(s)=189 GeV

The DELPHI Collaboration, P. Abreu

Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetr…

hep-ex2001★ 22 cited

Search for SUSY with R-parity violating LL\bar{E} couplings at sqrt(s) = 189 GeV

The DELPHI Collaboration, P. Abreu

Searches for pair production of supersymmetric particles under the assumption that R-parity is not conserved are presented, based on data recorded by the DELPHI detector in 1998 fr…

hep-ex2001★ 7 cited

Measurement of the ZZ cross-section in e+e- interactions at 183-189 GeV

The DELPHI Collaboration, P. Abreu

Measurements of on-shell ZZ production are described, using data collected by DELPHI in 1997 and 1998, at centre-of-mass energies sqrt(s) = 182.6 GeV and 188.6 GeV respectively. Re…

hep-ex1999★ 1 cited

First study of the structure of e+e- -> b bbar g events and limits on the anomalous chromomagnetic moment of the b-quark

Kenji Abe et al

The structure of e+e- -> b bbar g events was studied using Z0 decays recorded in the SLD experiment at SLAC. Three-jet final states were selected and the CCD-based vertex detector…

hep-ex1997★ 56 cited

A Measurement of Rb using a Vertex Mass Tag

SLD Collaboration

We report a new measurement of Rb = Gamma(Z0->b-bbar) / Gamma(Z0->hadrons) using a double tag technique, where the b hemisphere selection is based on the reconstructed mass of the…

hep-ex1997★ 9 cited

Measurement of the B Hadron Energy Distribution in Z0 Decays

K. Abe et al, :, The SLD Collaboration

We have measured the B hadron energy distribution in Z0 decays using a sample of semi-leptonic B decays recorded in the SLD experiment at SLAC. The energy of each tagged B hadron w…

hep-ex1997★ 20 cited

First Measurement of Leptonic Coupling Asymmetries with Polarized Z bosons

The SLD Collaboration, K. Abe, T. Akagi

We present direct measurements of the -lepton coupling asymmetry parameters, , , and , based on a data sample of 12,063 leptonic decays collected by the S…

hep-ex1997★ 14 cited

Measurement of Leading Particle Effects in Decays of Z0 Bosons into Light Flavors

The SLD Collaboration, K. Abe et al

We present evidence for leading particle production in hadronic decays of the Z0 boson to light-flavor jets. A polarized electron beam was used to tag quark and antiquark jets, and…

hep-ex1997★ 17 cited

Measurement of the Tau Neutrino Helicity and the Michel Parameters in Polarized e+e- Collisions

SLD Collaboration, K. Abe etal

We present a new measurement of the tau neutrino helicity, hnu and the tau Michel parameters rho, eta, xi and the product delta xi. The analysis exploits the highly polarized SLC e…

hep-ex1996★ 47 cited

An Improved Measurement of the Left-Right Z0 Cross Section Asymmetry

SLD Collaboration, K. Abe, I. Abt et al

We present a new measurement of the left-right cross section asymmetry (ALR) for Z boson production by e+e- collisions. The measurement was performed at a center-of-mass energy of…

hep-ex1996★ 26 cited

A study of the orientation and energy partition of three-jet events in hadronic Z0 decays

K. Abe

We have measured the distributions of the jet energies in e+e- --> qq^bar g events, and of the three orientation angles of the event plane, using hadronic decays collected in…

hep-ex1996★ 4 cited

First Study of Rapidity Gaps in e+e- Annihilation

SLD Collaboration

We present the first study of rapidity gaps in e+e- annihilations using Z0 decays collected by the SLD experiment at SLAC. Our measured rapidity gap spectra fall exponentially with…

hep-ex1995★ 12 cited

Measurement of the Average -Hadron Lifetime in Decays

The SLD Collaboration

We report a measurement of the average -hadron lifetime using data collected with the SLD detector at the SLC in 1993. An inclusive analysis selected three-dimensional vertices…

hep-ex1995★ 26 cited

First Measurement of the T-odd Correlation between the Z0 Spin and the Three-jet Plane Orientation in Polarized Z0 Decays to Three Jets

The SLD Collaboration

We present the first measurement of the correlation between the spin and the three-jet plane orientation in polarized decays into three jets in the SLD experiment at SL…

hep-ex1995★ 11 cited

Measurement of the Tau Lifetime at SLD

The SLD Collaboration

A measurement of the lifetime of the tau lepton has been made using a sample of 1671 decays collected by the SLD detector at SLC. The measurement benefits fr…

hep-ex1994★ 18 cited

Measurement of alpha-s from energy-energy correlations at the Z0 resonance

K. Abe

We have determined the strong coupling alpha-s from a comprehensive study of energy-energy correlations (EEC) and their asymmetry (AEEC) in hadronic decays of Z0 bosons collected b…