activity
19942005
most citedMeasurement of the b-quark fragmentation function in Z0 decays

109 citations · 774 across the 31 of their papers we have counts for

collaborators

31 papers

hep-ex2005★ 13 cited

Measurement of the branching ratios of the Z0 into heavy quarks

SLD Collaboration, K. Abe

We measure the hadronic branching ratios of the Z0 boson into heavy quarks: Rb=Gamma(Z0->bb)/Gamma(Z0->hadrons) and Rc=Gamma(Z0->cc/Gamma(Z0->hadrons) using a multi-tag technique.…

hep-ex2003★ 77 cited

Production of pi+, pi-, K+, K-, p and p-bar in Light (uds), c and b Jets from Z0 Decays

The SLD Collaboration

We present improved measurements of the differential production rates of stable charged particles in hadronic Z0 decays, and of charged pions, kaons and protons identified over a w…

hep-ex2003★ 1 cited

First measurement of the double-inclusive B/Bbar hadron energy distribution in e+e- annihilations, and of angle-dependent moments of the B and Bbar energies

SLD Collaboration, Koya Abe

We have made the first measurement of the double-inclusive B/Bbar energy distribution in e+e- annihilations, using a sample of 400,000 hadronic Z0 decay events recorded in the SLD…

hep-ex2002★ 10 cited

Search for time-dependent B0s - B0s-bar oscillations using a vertex charge dipole technique

K. Abe

We report a search for B0s - B0s-bar oscillations using a sample of 400,000 hadronic Z0 decays collected by the SLD experiment. The analysis takes advantage of the electron beam po…

hep-ex2002★ 4 cited

Improved Direct Measurement of the Parity-Violation Parameter A_b Using a Mass Tag and Momentum-Weighted Track Charge

SLD Collaboration, Kenji Abe

We present an improved direct measurement of the parity-violation parameter A_b in the Z boson-b quark coupling using a self-calibrating track-charge technique applied to a sample…

hep-ex2002★ 6 cited

A Search for Time-Dependent B0s-B0sbar Oscillations Using Exclusively Reconstructed Ds+/- Mesons

SLD Collaboration

A search for Bs0-Bs0bar oscillations is performed using a sample of 400,000 hadronic Z0 decays collected by the SLD experiment. The Bs0 candidates are reconstructed in the Bs0 to D…

hep-ex2002

An improved study of the structure of e+e- -> b bbar g events and limits on the anomalous chromomagnetic coupling of the b-quark

Koya Abe etal

The structure of three-jet e+e- -> b bbar g events has been studied using hadronic Z0 decays recorded in the SLD experiment at SLAC. Three-jet final states were selected and the CC…

hep-ex2002★ 109 cited

Measurement of the b-quark fragmentation function in Z0 decays

Koya Abe

We present a measurement of the b-quark inclusive fragmentation function in Z0 decays using a novel kinematic B-hadron energy reconstruction technique. The measurement was performe…

hep-ex2001★ 15 cited

Improved Direct Measurement of and at the Pole Using a Lepton Tag

SLD Collaboration, Kenji Abe

The parity violation parameters and of the and couplings have been measured directly, using the polar angle dependence of the polarized cross s…

hep-ex2001★ 10 cited

Improved Measurement of the Probability for Gluon Splitting into b bbar in Z0 Decays

Koya Abe et al

We have measured gluon splitting into bottom quarks, g -> b bbar, in hadronic Z0 decays collected by SLD between 1996 and 1998. The analysis was performed by looking for secondary…

hep-ex2000★ 30 cited

First Direct Measurement of the Parity-Violating Coupling of the Z^0 to the s-Quark

The SLD Collaboration

We have made the first direct measurement of the parity-violating coupling of the Z^0 boson to the strange quark, A_s, using ~550,000 e^+e^- ->Z^0->hadrons events produced with a p…

hep-ex2000★ 75 cited

A High-Precision Measurement of the Left-Right Z Boson Cross-Section Asymmetry

SLD Collaboration

We present a measurement of the left-right cross-section asymmetry (ALR) for Z boson production by e+e- collisions. The measurement includes the final data taken with the SLD detec…

hep-ex1999★ 67 cited

Precise measurement of the b-quark fragmentation function in Z0 boson decays

The SLD Collaboration, Kenji Abe

We have developed a new technique for inclusive reconstruction of the energy of B hadrons. The excellent efficiency and resolution of this technique allow us to make the most preci…

hep-ex1999★ 13 cited

Search for Charmless Hadronic Decays of B Mesons with the SLD Detector

SLD Collaboration

Based on a sample of approximately 500,000 hadronic Z0 decays accumulated between 1993 and 1998, the SLD experiment has set limits on 24 fully charged two-body and quasi two-body e…

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★ 18 cited

First Measurement of the Left-Right Charge Asymmetry in Hadronic Z Boson Decays and a New Determination of sin^2(theta_eff)

SLD Collaboration, K. Abe, I. Abt

We present the first measurement of the left-right charge asymmetry A_Q^{obs} in hadronic Z boson decays. This was performed at E_cm = 91.27 GeV with the SLD at the SLAC Linear Col…

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…