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We present a new preliminary measurement of the b quark fragmentation function in Z0 decays using a novel kinematic B hadron energy reconstruction technique. The measurement is performed using 150,000 hadronic Z0 events recorded in the SLD…

High Energy Physics - Experiment · Physics 2007-05-23 SLD Collaboration , Danning Dong

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 performed using 350,000 hadronic Z0 events recorded in the SLD…

High Energy Physics - Experiment · Physics 2014-11-17 Koya 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 precise determination of the b-quark fragmentation function,…

High Energy Physics - Experiment · Physics 2008-11-26 The SLD Collaboration , Kenji Abe

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 was reconstructed using information from the lepton and a…

High Energy Physics - Experiment · Physics 2012-08-27 K. Abe et al , : , The SLD Collaboration

A study of b quark hadronisation is presented using inclusively reconstructed B hadrons in about four million hadronic Z decays recorded in 1992-2000 with the OPAL detector at LEP. The data are compared to different theoretical models, and…

High Energy Physics - Experiment · Physics 2012-08-27 The OPAL collaboration

We present preliminary results on three SLD analyses: the gluon energy spectrum in 3-jet bbg events, the rate of g->bb, and the b fragmentation function in Z0 decays. The gluon energy spectrum, measured over the full kinematic range, is…

High Energy Physics - Experiment · Physics 2007-05-23 The SLD Collaboration , Danning Dong

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 experiment at SLAC between 1996 and 1998. The small and…

High Energy Physics - Experiment · Physics 2008-11-26 SLD Collaboration , Koya Abe

We present results of three SLD analyses: our final determination of the rate of gluon splitting into b-bbar, an improved measurement of the inclusive b quark fragmentation function in Z0 decays, and a preliminary first measurement of the…

High Energy Physics - Experiment · Physics 2007-05-23 Gavin Nesom

We present new studies of 3-jet final states from hadronic $Z^0$ decays recorded by the SLD experiment, in which jets are identified as quark, antiquark or gluon. Our gluon energy spectrum, measured over the full kinematic range, is…

High Energy Physics - Experiment · Physics 2008-11-26 D. Muller

A measurement of inclusive semileptonic branching fractions of b hadrons produced in Z decays is presented. An enriched Z -> bbbar sample is obtained with a lifetime flavour-tagging technique. The leptonic events are then selected from this…

High Energy Physics - Experiment · Physics 2008-11-07 The OPAL Collaboration , G. Abbiendi et al

We present selected results on strong interaction physics from the SLD experiment at the SLAC Linear Collider. We report on several new studies of 3- and 4-jet hadronic Z decays, in which jets are identified as quark, antiquark or gluon.…

High Energy Physics - Experiment · Physics 2008-11-26 D. Muller

The nature of b-quark jet hadronisation has been investigated using data taken at the Z peak by the DELPHI detector at LEP. Two complementary methods are used to reconstruct the energy of weakly decaying b-hadrons, E^weak_B. The average…

High Energy Physics - Experiment · Physics 2011-03-28 DELPHI Collaboration , J. Abdallah

We present a preliminary measurement of the rate of 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 bottom production in…

High Energy Physics - Experiment · Physics 2007-05-23 Kenji Abe et al

The fragmentation of b quarks into B mesons is studied with four million hadronic Z decays collected by the ALEPH experiment during the years 1991-1995. A semi-exclusive reconstruction of B->l nu D(*) decays is performed, by combining…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration

I will review new studies of b-quark fragmentation performed at the Z peak by ALEPH and SLD. An improved sensitivity to distinguish between fragmentation model and more accurate measurements of the mean b-hadron scaled energy have been…

High Energy Physics - Experiment · Physics 2007-05-23 V. Ciulli

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. The measurement was performed using about 400,000 hadronic…

High Energy Physics - Experiment · Physics 2008-11-26 SLD Collaboration , K. Abe

We set a preliminary 95% C.L. exclusion on the oscillation frequency of $B_s^0 - \bar{B_s^0}$ mixing using a sample of 400,000 hadronic $Z^0$ decays collected by the SLD experiment at the SLC during the 1996-98 run. Three analyses are…

High Energy Physics - Experiment · Physics 2009-10-31 Cheng-Ju Stephen Lin

We report new preliminary B Physics results obtained with 300,000 hadronic Z0 decays collected by the SLD experiment at the SLC between 1993 and 1997. Three analyses are presented: a measurement of B+ and B0 lifetimes, a study of the time…

High Energy Physics - Experiment · Physics 2007-05-23 Stephane Willocq

The study of inclusive semileptonic decays of $B$ mesons is analyzed from the viewpoint of probing hadron structure and strong interactions. General formulas for the differential decay rates are given in terms of the structure functions in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Changhao Jin

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 bottom production in 4-jet events of any primary flavor.…

High Energy Physics - Experiment · Physics 2008-11-26 Koya Abe et al
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