Precision Electroweak Measurements on the Z Resonance (2006)
Schael, S, Abbiendi, G, Ainsley, C, Åkesson, P F, Alexander, G, Allison, J, ...
We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...
Properties of leading particles in hadronic $Z^{0}$ decays (1997)
Müller, D, Abe, K, Abe, K, Abt, I, Akagi, T, Allen, N J, ...
Search for the $B_{c}$ meson in hadronic Z decays (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A search for the Bc meson decaying into the channels J/psi pi+ and J/psi l nu (l = e or mu) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search...
Measurement of the branching fraction for $D^{0} \rightarrow K^{-}\pi^{+}$ (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The branching fraction for D0 -> K- pi+ is measured with the statistics collected by ALEPH from 1991 to 1994. The method is based on the comparison between the rate for the reconstructed D*+ -> D0...
Measurement of the W mass in $e^{+}e^{-}$ collisions at production threshold (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
In June 1996, the LEP centre-of-mass energy was raised to 161 GeV. Pair production of W bosons in e+e- collisions was observed for the first time by the LEP experiments. An integrated luminosity of...
A Measurement of $R_b$ using a Lifetime-Mass Tag (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
ALEPH's published measurement of $R_b$ using a lifetime tag, is updated using the full LEP~1 data sample. Considerable effort has been devoted to understanding systematic effects. Charm background is...
A Measurement of $R_b$ using Mutually Exclusive Tags (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A measurement of $R_b$ using five mutually exclusive hemisphere tags has been pe rformed by ALEPH using the full LEP1 statistics. Three tags are designed to sele ct the decay of the $Z^0$ to $b$...
Updated measurement of the lifetime at SLD (1997)
Abe, K, Abt, I, Akagi, T, Allen, N J, Ash, William W, Aston, D, ...
Measurement of the spectral functions of vector current hadronic $\tau$ decays (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A measurement of the spectral functions of non-strange tau vector current final states is presented, using 124,358 tau pairs recorded by the ALEPH detector at LEP during the years 1991 to 1994. The...
Measurement of the $\tau$ Lepton Lifetime with the Three-dimensional Impact Parameter Method (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A new method is presented for the measurement of the mean $\tau$ lepton lifetime using events in which $\tau$'s are pair-produced and both $\tau$'s decay to hadrons and $\nu_\tau$. Based on the...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The total cross section and the forward-backward asymmetry for the process $e^+ e^- \rightarrow \mu^+ \mu^- (n \gamma)$ are measured in the energy range 20-136 GeV by reconstructing the effective...
A measurement of the QCD colour factors and a limit on the light gluino (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Using data collected from 1992 to 1995 with the ALEPH detector at LEP, a measurement of the colour factor ratios CA/CF and TF/CF and the strong coupling constant $\overline{\alpha}_s = CF...
The topology dependence of charged particle multiplicities in three-jet events (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A study of individual jet and whole-event charged particle multiplicities in three-jet events measured in e+e- annihilation at the Z reveals a significant topology dependence. Mean jet multiplicities...
Studies of quantum chromodynamics with the ALEPH detector (1997)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Previously published and as yet unpublished QCD results obtained with the ALEPH detector at LEP1 are presented. The unprecedented statistics allows detailed studies of both perturbative and...
Inclusive Production of Neutral Pions in Hadronic Z Decays (1996)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A measurement of the inclusive production of pi0 mesons in hadronic Z decays is presented and compared to Monte Carlo model predictions. The analysis is based on approximately 2 million hadronic...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Two samples of exclusive semileptonic decays, 579 B0->D*+l-nu events and 261 B0->D+l-nu events, are selected from approximately 3.9 million hadronic Z decays collected by the ALEPH detector at LEP....
Charm counting in b decays (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The inclusive production of charmed particles in Z -> bb decays has been measured from the yield of D^0, D^+, D^+_s and Lambda_{c}^+ decays in a sample of qq events with high b purity collected with...
Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...
Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The time dependence of $B^0_d--\bar{B}^0_d$ oscillations is measured by the ALEPH experiment at LEP, using three techniques, two of which are updates of previous measurements. In all cases the charge...
A study of tau decays involving eta and omega mesons (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The 132 pb$^{-1}$ of data collected by ALEPH from 1991 to 1994 have been used to analyze $\eta$ and $\omega$ production in $\tau$ decays. The following branching fractions have been measured:...
Observation of charmless hadronic B decays (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Four candidates for charmless hadronic B decay are observed in a data sample of four million hadronic Z decays recorded by the {\sc aleph} detector at {\sc lep} . The probability that these events...
Production of orbitally excited charm mesons in semileptonic B decays (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Transverse Momentum Correlations in Hadronic Z decays (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Using data obtained with the ALEPH detector at the Z resonance, a measure based on transverse momentum is shown to exhibit a correlation between the two halves of a hadronic event which cannot be...
Search for Excited Leptons at 130 - 140 GeV (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A search for the radiative decay of excited charged leptons, $\ls$, and for radiative and weak decays of excited electron neutrinos, $\nu_e^*$, is performed, using the 5.8~$\ipb$ of data collected by...
Four fermion production in $e^+ e^-$ collisions at centre-of-mass energies of 130 and 136 GeV (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Four-fermion events have been selected in a data sample of 5.8 pb**-1 collected with the ALEPH detector at centre-of-mass energies of 130 and 136 GeV. The final states l^+l^- qqbar, l^+l^-l^+l^-,...
Search for charginos and neutralinos with R-parity violation at $\sqrt{s}$ = 130 and 136 GeV (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Searches for charginos and neutralinos produced in e+e- collisions at centre-of-mass energies of 130 and 136 GeV have been performed under the assumptions that R-parity is not conserved, that the...
Mass limit for the lightest neutralino (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Indirect limits on the mass of the lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at...
Strange b baryon production and lifetime in Z decays (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
In a data sample of approximately four million hadronic Z decays recorded with the ALEPH detector from 1990 to 1995, a search for the strange b baryon Xi_b is performed with a study of Xi-lepton...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A search for pair production of new heavy leptons has been performed assuming different scenarios for the mixing of the new particles with Standard Model leptons. No candidate events were found in a...
Mass Limit for the standard model Higgs boson with the full LEP I ALEPH data sample (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
background from the electroweak process e+e- --> l+ l- q qbar. This search results in a 95% C.L. lower limit on the Higgs boson mass of $63.9$~\Gcs. The reaction e+e- --> HZ* is used to search for...
Search for CP violation in the decay Z --> b$\overline{b}$g (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
About three million hadronic decays of the Z collected by ALEPH in the years 1991 to 1994 are used to search for anomalous CP violation beyond the Standard Model in the decay Z -> bbg. The study is...
Measurement of the b forward-backward asymmetry and mixing using high-p$_{\perp}$ leptons (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The B0-B0# average mixing parameter chi and b forward-backward asymmetry are measured from a sample of 4,200,000 Z -> q qbar events recorded with the ALEPH detector at LEP in the years 1990-1995....
First study of rapidity gaps in e+e- annihilation (1996)
Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...
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 all exponentially with increasing gap size...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The production of final states involving one or more energetic photons from e+e- collisions at high energies is studied using data collected by the ALEPH detector at LEP. The data consist of two...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The four-jet final state is analyzed to search for hadronic decays of pair-produced heavy particles. The analysis uses the ALEPH data collected at LEP in November 1995 at centre-of-mass energies of...
Studies of QCD in $e^{+}e^{-}\to$ hadrons at E$_{cm}$ = 130 and 136 GeV (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Studies of QCD in $\mbox{e}^+\mbox{e}^- \rightarrow$ Hadrons at $E_{cm} = $} 130 and 136 GeV The ALEPH Collaboration An analysis of the properties of hadronic final states produced in...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Hadronic and leptonic cross-sections and forward-backward asymmetries are measured using 5.7~pb$^{-1}$ of data taken with the ALEPH detector at LEP at $\cms$ energies of 130 and 136~GeV. The results...
Preliminary measurements of B$^{0}$ and B$^{+}$ lifetimes at SLD (1996)
Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A lower limit on the oscillation frequency of the BsBsbar system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons...
Measurement of the mass of the $\Lambda_{b}$ baryon (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
In a data sample of four million hadronic \Z\ decays collected with the ALEPH detector at LEP, four $\Lambda_b$ baryon candidates are exclusively reconstructed in the $\Lambda_b \rightarrow...
Test of the flavor independence of strong interactions (1996)
Abe, K., Abt, I., Ahn, C. J., Akagi, T., Allen, N. J., Ash, W. W., ...
We present a comparison of the strong couplings of light (u, d, and s), c, and b quarks determined from multijet rates in flavor-tagged samples of hadronic Z0 decays recorded with the SLC Large...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The electroweak mixing angle is determined with high precision from measurements of the mean difference between forward and backward hemisphere charges in hadronic decays of the Z. A data sample of...
Improved measurement of the $\overline{B}^{0}$ and B$^{-}$ meson lifetimes (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The lifetimes of the \b0 \ and \bp\ mesons have been measured with the \aleph\ detector at LEP, using approximately 3 million hadronic Z decays collected in the period 1991--1994. In the first of...
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Search for supersymmetric particles in e+e- collisions at centre-of-mass energies of 130 and 136 GeV. Searches for supersymmetric particles produced in e+e- collisions at centre-of-mass energies of...
Measurements of Rb with impact parameters and displaced vertices (1996)
Abe, K., Abt, I., Ahn, C. J., Akagi, T., Allen, N. J., Ash, W. W., ...
We present measurements of Rb using the SLD at the SLC. The analyses use 2D and 3D impact parameter tags and a displaced 3D vertex tag which all exploit the small size and stability of the e+e-...
Measurement of $\Lambda$ polarization from Z decays (1996)
Buskulic, Damir, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The polarization of \Lambda baryons from Z decays is studied with the {\sc Aleph} apparatus. Evidence of longitudinal polarization of s quarks from Z decay is observed for the first time. The...
Quark and gluon jet properties in symmetric three-jet events (1996)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Quark and gluon jets with the same energy, 24GeV, are compared in symmetric three-jet configurations from hadronic Z decays observed by the ALEPH detector. Jets are defined using the Durham...
Measurement of $\Lambda_{b}$ polarization in Z decays (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
The \Lambda_{\mathrm{b}} polarization in hadronic \mathrm{Z} decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of...
Tau hadronic branching ratios (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
From 64492 selected \tau-pair events, produced at the Z^0 resonance, the measurement of the tau decays into hadrons from a global analysis using 1991, 1992 and 1993 ALEPH data is presented. Special...
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
The lifetime of the \bs meson is measured in approximately 3 million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1994. Seven different \ds decay modes were...
Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...
Measurement of $\alpha_{s}$ from hadronic event observables at the Z$^{0}$ resonance (1995)
Baird, K G, Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, ...
Measurements of R$_{b}$ with impact parameters and displaced vertices (1995)
Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...
Measurement of the $\tau$ lepton lifetime (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
The mean lifetime of the \tau lepton is measured in a sample of 25700 \tau pairs collected in 1992 with the ALEPH detector at LEP. A new analysis of the 1-1 topology events is introduced. In this...
Tau leptonic branching ratios (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
A sample of 62249 \tau-pair events is selected from data taken with the ALEPH detector in 1991, 1992 and 1993. The measurement of the branching fractions for \tau decays into electrons and muons is...
A precise measurement of the average b hadron lifetime (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
An improved measurement of the average b hadron lifetime is performed using a sample of 1.5 million hadronic Z decays, collected during the 1991-1993 runs of ALEPH, with the silicon vertex detector...
Production of excited beauty states in Z decays (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
A data sample of about 3.0 million hadronic Z decays collected by the ALEPH experiment at LEP in the years 1991 through 1994, is used to make an inclusive selection of B~hadron events. In this event...
Limit on B$^{0}_{s}$ oscillation using a jet charge method (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
A lower limit is set on the B_{s}^{0} meson oscillation parameter \Delta m_{s} using data collected from 1991 to 1994 by the ALEPH detector. Events with a high transverse momentum lepton and a...
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Charged particle multiplicity distributions have been measured with the ALEPH detector in restricted rapidity intervals |Y| \leq 0.5,1.0, 1.5,2.0\/ along the thrust axis and also without restriction...
Inclusive production of neutral vector mesons in hadronic Z decays (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Measurement of the effective b quark fragmentation function at the Z resonance (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
A measurement of the |V$_{cb}$| from $\overline{B}^{0}$ --> D$*^{+}$l$^{-}\overline{\nu}_{l}$ (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
First measurement of the quark-to-photon fragmentation function (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Measurements of the b baryon lifetime (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
The endcap Cherenkov Ring Imaging Detector at SLD (1995)
Abe, K, Antilogus, P, Aston, D, Baird, K G, Baltay, C, Bean, A, ...
Abe, K, Abt, I, Ahn, C J, Akagi, T, Allen, N J, Ash, William W, ...
Measurement of the D$*^{\pm}$ cross section in two photon collisions at LEP (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
The forward-backward asymmetry for charm quarks at the Z pole (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Test of the flavour independence of $\alpha_{s}$ (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Improved tau polarisation measurement (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
Search for supersymmetric particles with R-parity violation in Z decays (1995)
Buskulic, Damir, Casper, David William, De Bonis, I, Décamp, D, Ghez, P, Goy, C, ...
A study of K$_{s}$, $\Lambda$ and $\overline{\Lambda}$ production in hadronic Z$^{0}$ decays (1995)
Baird, K G, Abe, K, Abt, I, Ahn, C J, Akagi, T, Ash, William W, ...
Precision electroweak physics with the SLD\/SLC: the left-right polarization asymmetry (1995)
Rowson, P C, Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, ...
Electroweak coupling measurements from polarized Bhabha scattering at SLD (1995)
Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, Bacchetta, N, ...
Precision standard model tests with polarized e+e- beams (1995)
Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, Bacchetta, N, ...
A preliminary measurement of the average B hadron lifetime (1995)
Manly, S L, Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, ...
Performance of the SLD CCD pixel vertex detector and design of an upgrade (1995)
Strauss, M G, Abe, K, Abt, I, Ahn, C J, Akagi, T, Ash, William W, ...
A Search for Jet Handedness in Hadronic $Z^{0}$ Decays (1994)
Abe, K, Abt, I, Ahn, C J, Akagi, T, Ash, William W, Aston, D, ...
Heavy quark physics at SLD: preliminary results (1994)
Vella, E N, Abe, K, Abt, I, Ahn, C J, Akagi, T, Ash, William W, ...
Measurement of the average liftetime of B hadrons at SLD (1994)
Punkar, G D, Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, ...
Measurement of the charged multiplicity of $Z^{0} \to b\overline{b}$ events (1994)
Burrows, P N, Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, ...
A preliminary, precise measurement of the average B hadron lifetime (1994)
Abe, K, Abt, I, Akagi, T, Ash, William W, Aston, D, Bacchetta, N, ...