Precision Electroweak Measurements on the Z Resonance (2005)
Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...
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...
Absolute Lower Limits on the Masses of Selectrons and Sneutrinos in the MSSM (2002)
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
The results of searches for selectrons, charginos and neutralinos performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV are interpreted in the...
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for charged Higgs bosons produced in pairs is performed with data collected at centre-of-mass energies ranging from 189 to 209 GeV by ALEPH at LEP, corresponding to a total luminosity of 629...
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for events with a photon pair arising from the decay of a Higgs boson produced in association with a fermion pair, is performed in 893pb^-1 of data recorded by the ALEPH detector at LEP at...
Search for Single Top Production in $e^{+} e^{-}$ Collisions at $\sqrt{s}$ up to 209 GeV (2002)
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
Single top production via the flavour changing neutral current reactions e+e- -> \bar{t}c , \bar{t}u is searched for within the 214~pb-1 of data collected by ALEPH at centre-of-mass energies between...
Single- and multi-photon production in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)
Heister, A, Abbaneo, D, Affholderbach, K, Antonelli, A, Antonelli, M, Armstrong, S R, ...
Events containing only energetic photons are analysed in a sample of 628 pb -1 of data recorded from e+e- collisions at centre-of-mass energies between 189 and 209 GeV by the ALEPH detector at LEP....
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
Data from e+e- annihilation into hadrons, taken with the ALEPH detector at the Z resonance, are analyzed. The four-jet rate is studied as a function of the resolution parameter and compared to...
A flavour-independent Higgs boson search in $e^+ e^-$ collisions at $\sqrt{s}$ up to 209 GeV (2002)
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for the Higgsstrahlung process e+e- -> HZ is carried out, covering decays of the Higgs boson into any quark pair, a gluon pair or a tau pair. The analysis is based on the 630pb-1 of data...
Search for scalar quarks in $e^{+}e^{-}$ collisions at $\sqrt{s}$ up to 209 GeV (2002)
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
Search for Scalar Quarks in e+e- Collisions at sqrt(s) up to 209 GeV Searches for scalar top, scalar bottom and mass-degenerate scalar quarks are performed in the data collected by the ALEPH detector...
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A total of 628$\invpb$ of data collected with the ALEPH detector at centre-of-mass energies from 189 to 209\,GeV is analysed in the search for gauge mediated SUSY breaking (GMSB) topologies. These...
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for charginos nearly mass degenerate with the lightest neutralino is performed with the data collected by the ALEPH detector at LEP, at centre-of-mass energies between 189 and 209 GeV,...
Improved search for $B^0_s-\overline{B}^0_s$ oscillations (2002)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
An improved search for Bs oscillations is performed in the ALEPH data sample collected during the first phase of LEP, and reprocessed in 1998. Three analyses based on complementary event selections...
Search for $\gamma\gamma \rightarrow \eta_b$ in $e^{+}e^{-}$ collisions at LEP2 (2002)
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for the pseudoscalar meson eta_b is performed in two-photon interactions at LEP~2 with an integrated luminosity of 699 pb^-1 collected at e+e- centre-of-mass energies from 181 GeV to 209...
Leptonic decays of the $D_s$ meson (2002)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
The purely leptonic decays Ds -> tau nu and Ds -> mu nu are studied in a sample of four million hadronic Z decays collected with the ALEPH detector at the LEP e+e- collider from 1991 to 1995. The...
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
The sample of hadronic Z decays collected by the ALEPH detector at LEP in the years 1991-1995 is analysed in order to measure the forward-backward asymmetry in $Z \to b\bar{b}$ and $Z \to c\bar{c}$...
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
The final results of the ALEPH search for the Standard Model Higgs boson at LEP, with data collected in the year 2000 at centre-of-mass energies up to 209,GeV, are presented. The changes with respect...
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
The inclusive production of the omega(782) vector meson in hadronic Z decays is measured and compared to model predictions. The analysis is based on 4 million hadronic Z decays recorded by the ALEPH...
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for single sneutrino production under the assumption that $R$-parity is violated via a single dominant $LL\bar{E}$ coupling is presented. This search considers the process ${\rm e} \gamma...
Search for scalar leptons in $e^+ e^-$ collisions at centre-of-mass energies up to 209 GeV (2001)
Heister, A, Schael, S, Barate, R, Brunelière, R, De Bonis, I, Décamp, D, ...
A search for selectron, smuon and stau pair production is performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies up to 209 GeV. The numbers of candidate events are...
Production of D$^{**}_{s}$ mesons in hadronic Z decays (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
The production rates of the orbitally excited Ds** mesons, Ds1 and Ds2*, are measured with the 4.1 million hadronic Z decays recorded by the ALEPH detector during 1991--1995. The Ds** mesons are...
Search for a Scalar Top Almost Degenerate with the Lightest Neutralino (2001)
Antonelli, M, Sguazzoni, G, Barate, R, Décamp, D, Ghez, P, Goy, C, ...
Inclusive semileptonic branching ratios of b hadrons produced in Z decays (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
A measurement of the inclusive semileptonic branching ratios of b hadrons produced in Z decay is presented, using four million hadronic events collected by the ALEPH detector from 1991 to 1995....
Measurement of $A^{b}_{FB}$ using Inclusive $b$-hadron Decays (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
Based on a sample of four million events collected by ALEPH from 1991 to 1995, a measurement of the forward-backward asymmetry in Z -> b-barb decays using inclusive final states is presented....
Study of the fragmentation of $b$ quarks into $B$ mesons at the $Z$ peak (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
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...
Measurement of the Michel parameters and the $\nu_{\tau}$ helicity in $\tau$ lepton decays (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Goy, C, ...
A measurement of the Michel parameters and the average $\nu_\tau$ helicity in $\tau$ lepton decays is described. The data was collected with the ALEPH detector at LEP during the years 1991 to 1995. A...
Measurement of Triple Gauge-Boson Couplings at LEP energies up to 189 GeV (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Ghez, P, ...
The triple gauge-boson couplings involving the W are determined using data samples collected with the ALEPH detector at mean centre-of-mass energies of 183 GeV and 189 GeV, corresponding to...
Measurement of the Tau Polarisation at LEP (2001)
Heister, A, Schael, S, Barate, R, De Bonis, I, Décamp, D, Ghez, P, ...
The polarisation of $\tau$'s produced in Z decay is measured using 160 pb$^{-1}$ of data accumulated at LEP by the ALEPH detector between 1990 and 1995. The variation of the polarisation with polar...
Barate, R, De Bonis, I, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
Searches for pair production of squarks, sleptons, charginos and neutralinos are performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies from 188.6 to 201.6 GeV. No...
Observation of an Excess in the Search for the Standard Model Higgs Boson at ALEPH (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
A search has been performed for the Standard Model Higgs boson in the data sample collected with the ALEPH detector at LEP, at centre-of-mass energies up to 209 GeV. An excess of 3 $\sigma$ beyond...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Searches for the production of supersymmetric particles under the assumption that R-parity is violated via a single dominant LLE, LQD or UDD coupling were performed. These use the data collected by...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Searches for neutral Higgs bosons are performed with the 237 pb^-1 of data collected in 1999 by the ALEPH detector at LEP, for centre-of-mass energies between 191.6 and 201.6 GeV. These searches...
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
Inclusive branching ratios involving b to tau transitions are measured in approximately four million hadronic Z decays collected by the ALEPH detector at LEP. The fully-inclusive branching ratio b ->...
Study of the CP asymmetry of $B^{0} \rightarrow J/\psi K^{0}_{s}$ decays in ALEPH (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
The decay B0 -> J/psi K0_S is reconstructed with J/psi -> e+ e- or mu+ mu- and K0_S -> pi+ pi-. From the full ALEPH dataset at LEP1 of about 4 million hadronic Z decays, 23 candidates are selected...
Search for Single Top Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189 - 202 GeV (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The single top production via flavour changing neutral currents in the reactions ee -> t c/u is searched for in approximately 411 pb-1 of data collected by ALEPH at centre-of-mass energies in the...
Measurement of the $\bar{B}^{0}$ and $B^{-}$ Meson Lifetimes (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
The lifetimes of the B0 and B- mesons are measured using a sample of about four million hadronic Z decays collected from 1991 to 19 95 with the ALEPH detector at LEP. The data sample has been...
Investigation of Inclusive CP Asymmetries in B$^{0}$ Decays (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
A search for CP violating effects in the mixing of neutral B mesons is performed using a sample of 4.1 million hadronic Z decays collected with the ALEPH detector from 1991 to 1995. By studying...
A Measurement of the b-quark Mass from Hadronic Z Decays (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
Hadronic Z decay data taken with the ALEPH detector at LEP1 are used to measure the three-jet rate as well as moments of various event-shape variables. The ratios of the observables obtained from...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Data collected at centre-of-mass energies from 189 GeV to 202 GeV by the ALEPH detector at LEP, corresponding to an integrated luminosity of 411 pb-1, are analysed in a search for the scalar top in...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The data collected at centre-of-mass energies of 188.6 GeV by ALEPH at LEP, corresponding to an integrated luminosity of 176.2 pb-1, are analysed in a search for pair-produced charged Higgs bosons...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
A search for gamma-gamma decays of a Higgs boson is performed in the data sample collected at LEP with the ALEPH detector between 1991 and 1999. This corresponds to an integrated luminosity of 672...
Measurement of W-pair production in $e^{+}e^{-}$ collisions at 189 GeV (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The production of W-pairs is analysed in a data samplecollected by ALEPH at a mean centre-of-mass energy of 188.6 GeV,corresponding to an integrated luminosity of 174.2 pb^-1. Crosssections are given...
Measurement of the W Mass and Width in $e^+ e^-$ Collisions at 189 GeV (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The mass of the W boson is determined in e+e- collisions at LEP by the direct reconstruction of W decays in WW->qqqq and WW->lvqq events, supplemented by measurements using the kinematic properties...
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
In a data sample of about four million hadronic Z decays recorded with the ALEPH detector from 1991 to 1995, the $B^{0}_{s} \to D^{(*)+}_{s}D^{(*)-}_{s}$ decay is observed, based on tagging the nal...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Neutral Higgs bosons of the Standard Model and of the \MSSM\ aresearched for in the data collected at a centre-of-mass energy of \cme\,\G\ by the \ALEPH\ experiment at \LEP, with an integrated...
Fermi-Dirac Correlations in $\Lambda$ Pairs in Hadronic Z Decays (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Martin, F, ...
Two-particle correlations of Lambda Lambda and Anti-Lambda Anti-Lambda pairshave been studied in multihadronic Z decays recorded with the ALEPH detector at LEP in the years from 1992 to 1995. The...
Search for Gauge-Mediated SUSY Breaking Topologies at $\sqrt{s}\sim{189}$ GeV (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Searches for topologies characteristic of Gauge Mediated SUSY Breaking models (GMSB) are performed by analysing 173.6 pb^-1 of data collected at Ecm = 188.6~GeV with the ALEPH detector.These...
Bose-Einstein correlations in W-pair decays (2000)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Bose-Einstein correlations are studied in semileptonicWW --> qqbarlnu and fully hadronic WW --> qqbarqqbar W-pair decays with the ALEPH detector at LEP at centre-of-mass energies of 172, 183 and...
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
Data taken with the ALEPH detector at LEP1 have been used to search for gamma gamma production of the glueball candidates f0(1500) and fJ(1710) via their decay to pi+pi-. No signal is observed and...
Searches for sleptons and squarks in $e^{+}e^{-}$ collisions at 189 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The data collected at a centre-of-mass energy of 188.6 GeV by ALEPH at LEP, corresponding to an integrated luminosity of 173.6 pb$^{-1}$, are analysed in a search for the scalar partners of quarks...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The e+e- -> ZZ cross section at sqrt(s)=182.7 and 188.6 GeV has been measured using the ALEPH detector. The analysis covers all of the visible ZZ final states and yields cross section measurements of...
A direct measurement of $|V_{cs}|$ in hadronic W decays using a charm tag (1999)
Barate, R, Abbaneo, D, Affholderbach, K, Ajaltouni, Ziad J, Alemany, R, Aleppo, M, ...
The inclusive charm production rate in W decays is measured from a study of the properties of final state particles. The sample of W pairs is selected from 67.7 pb-1 collected by ALEPH in 1996 and...
Search for an invisibly decaying Higgs boson in $e^{+}e^{-}$ collisions at 189 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The data collected in 1998 by ALEPH at LEP at a centre-of-mass energy of 188.6 GeV, corresponding to an integrated luminosity of 176.2 pb-1, are analysed to search for invisible decays of a Higgs...
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
The production rates and the inclusive cross sections of the isovector meson $\pi^0$, the isoscalar mesons $\eta$ and $\eta^\prime(958)$, the strange meson $\mathrm{K^0_S}$ and the $\Lambda$ baryon...
Study of Charm Production in Z Decays (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
The production rates of D*+-, Ds*+-, D+-, D0 / D0bar, Ds+, and Lambda_c in Z to ccbar decays are measured using the LEP I data sample recorded by the ALEPH detector. The fractional energy spectrum of...
Measurement of the Z Resonance Parameters at LEP (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Lucotte, A, ...
The properties of the Z resonance are measured from the analysis of 4.5 million Z decays into fermion pairs collected with the \Aleph\ detector at L EP. The data are consistent with lepton...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Searches for pair-production of supersymmetric particles under the assumption that R-parity is violated via a single dominant $LL{\bar E}$, $LQ{\bar D}$ or ${\bar U} {\bar D} {\bar D}$ coupling are...
Determination of the LEP centre-of-mass energy from Z$\gamma$ events (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Radiative returns to the Z resonance (Z\gamma events) are used to determine the LEP2 centre-of-mass energy from the data collected with the ALEPH detector in 1997. The average centre-of-mass energy...
A Study of Single W Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 161 - 183 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Single W production is studied in the data recorded with the ALEPH detector at LEP at centre-of-mass energies between 161 and 183 GeV. The cross section is measured to be sigma_W=0.41+-0.17 (stat)...
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
Inclusive gamma^*gamma interactions to hadronic final states where one scattered electron or positron is detected in the electromagnetic calorimeters have been studied in the LEP 1 data taken by...
Hadronic Shower Development in Iron-Scintillator Tile Calorimetry (1999)
Amaral, P, Amorim, A, Anderson, K, Barreira, G, Benetta, R, Berglund, S, ...
The lateral and longitudinal profiles of hadronic showers detected by a prototype of the ATLAS Iron-Scintillator Tile Hadron Calorimeter have been investigated. This calorimeter uses a unique...
Study of Fermion Pair Production in $e^{+}e^{-}$ Collisions at 130-183 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The cross sections and forward-backward asymmetries of hadronic and leptonic events produced in e+e- collisions at centre-of-mass energies of 130-183 GeV are presented. Results for ee, mumu, tautau,...
Measurement of W-pair production in $e^{+}e^{-}$ collisions at 183 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The production of W+W- pairs is analysed in a data sample collected by ALEPH at a mean centre-of-mass energy of 182.7 GeV, corresponding to an integrated luminosity of 57 pb-1. Cross sections are...
Measurement of the W mass in $e^+ e^-$ collisions at 183 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
The mass of the W boson is obtained from reconstructed invariant mass distributions in W-pair events. The sample of W pairs is selected from 57 pb$^{-1}$ collected with the ALEPH detector in 1997 at...
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
All ALEPH measurements of branching ratios of tau decays involving kaons are summarized including a combination of results obtained with K^0_S and K^0_L detection. The decay dynamics are studied,...
One-prong $\tau$ decays with kaons (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Lees, J P, Merle, E, ...
One-prong $\tau$ decays into final states involving kaons are studied with about 161k $\tau^+\tau^-$ events collected by the ALEPH detector from 1991 to 1995. Charged kaons are identified by dE/dx...
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Searches for charginos and neutralinos are performed with the data collected by the ALEPH detector at LEP at centre-of-mass energies near 183 GeV. In these searches, it is assumed that R-parity is...
Search for charged Higgs bosons in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 181-184 GeV (1999)
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
Data collected at centre-of-mass energies of 181-184 GeV by ALEPH at LEP, corresponding to an integrated luminosity of 56.9 pb^-1, are analysed in a search for pair-produced charged Higgs bosons H+-....
Barate, R, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, Lees, J P, ...
In a data sample of 78.3 pb^-1 collected in 1996 and 1997 by the ALEPH detector at centre-of-mass energies from 161 to 184 GeV, invisible decays of a Higgs boson have been searched for in the...
Analysis of transverse momentum correlations in hadronic Z decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
In a recent paper, evidence was presented for a significant,positive correlation between the total transverse momenta of particleson opposite hemispheres of hadronic events. A new, model...
Measurement of triple gauge WW$\gamma$ couplings at LEP2 using photonic events (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
A study of events with photons and missing energy has been performed with the data sample obtained with the ALEPH detector at centre-of-mass energies from 161 to 184 GeV,corresponding to a total...
Determination of the LEP center-of-mass energy from $Z\gamma$ events (1998)
Radiative returns to the Z resonance (Zgamma events) provide a method to determine the centre-of-mass energy of the high energy e+e- colliders and already at LEP2. The method is applied for the data...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
The data collected by ALEPH at LEP at centre-of-mass energies ranging from 181 to 184 GeV, corresponding to an integrated luminosity of 57 pb-1, are analysed to search for pair-produced neutral Higgs...
Search for the Standard Model Higgs boson at the LEP2 collider near $\sqrt{s}$ = 183 GeV (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
During 1997 the ALEPH experiment at LEP gathered $57 \pb$ of data at centre-of-mass energies near $183 ~\G$. These data are used to look for possible signals from the production of the Standard Model...
Study of $D^{0}-\overline{D}^{0}$ mixing and $D^{0}$ doubly-Cabibbo-suppressed decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Using a sample of four million hadronic Z events collected in ALEPH from 1991 to 1995, the decays D^{*+} --> D^0 pi_{s}^+, with D^0 decaying to K^- pi^+ or to K^+ pi^-, are studied. The relative br...
Search for $B^{0}_{s}$ oscillations using inclusive lepton events (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A search for Bs oscillations is performed using a sample of semileptonic b-hadron decays collected by the ALEPH experiment during 1991-1995. Compared to previous inclusive lepton analyses, the prop...
The forward-backward asymmetry for charm quarks at the Z (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
From this analysis, a value of the effective electroweak mixing angle $\sin^2 \theta^{\mathrm eff}_W = 0.2321 \pm 0.0016$ is extracted.
A measurement of the gluon splitting rate into $b\overline{b}$ pairs in hadronic Z decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A measurement of the fraction of hadronic Z decays in which a gluon splits into a $b \bar{b}$ pair, \gbb, is presented using data collected by {\t extsc ALEPH} from 1992 to 1995 at the Z resonance....
Scalar quark searches in $e^+ e^-$ collisions at $\sqrt{s}$ = 181-184 GeV (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
Searches for scalar top, scalar bottom and degenerate scalar quarks have been performed with data collected with the ALEPH detector at LEP. The data sample consists of 57~$\mathrm{pb}^{-1}$ taken at...
Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies up to 184 GeV (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
The data collected by the ALEPH experiment at LEP at centre-of-mass energies around 183 GeV are analysed to search for sleptons, the partners of leptons in supersymmetric theories. The previously pu...
Barate, R, Abbaneo, D, Affholderbach, K, Ajaltouni, Ziad J, Alemany, R, Aleppo, M, ...
From a study of the kinematic properties of the final state produced in the semileptonic decays b-->X l nu, the inclusive charmless semileptonic branching ratio of b hadrons is measured. With a sam...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...
The production of final states involving one or more energetic photons from e+e- collisions is studied in a sample of 58.5 pb-1 of data recorded at a centre-of-mass energy of 183 GeV by the ALEPH...
Measurement of the fraction of hadronic Z decays into charm quark pairs (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A measurement of the inclusive $b \rightarrow s \gamma$ branching ratio (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The flavour changing neutral current decay b -> s gamma has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged b-bbar events by the presence of a...
Determination of $A^{b}_{FB}$ using Jet Charge Measurements in Z Decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
An improved measurement of the forward-backward asymmetry in Z-> b b-bar decays is presented, based on a sample of 4.1 million hadronic Z decays collected by Aleph between 1991 and 1995. Data are a...
Observation of doubly-charmed B decays at LEP (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A search for doubly-charmed B decays with both charmed mesons reconstructed is performed, using about 3.8 million hadronic Z decays recorded with the ALEPH detector at LEP. A clear signal is observed...
Search for evidence of compositeness at LEP I (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Extensive searches for evidence of compositeness of quarks and leptons have been made using the full set of ALEPH data from LEP running at the Z peak. They include searches for radiative and weak...
Measurement of the W mass by direct reconstruction in $e^+ e^-$ collisions at 172 GeV (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The mass of the W boson is obtained from reconstructed invariant mass distributions in W-pair events. The sample of W pairs is selected from 10.65~pb$^{-1}$ collected with the ALEPH detector at a...
Measurement of triple gauge-boson couplings at 172 GeV (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The triple gauge-boson couplings, Awp, Aw and Abp, have been measured using 34 semileptonically and 54 hadronically decaying WW candidate events. The events were selected in the data recorded during...
$K^{0}_{S}$ production in $\tau$ decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
From a sample of about 160k $\mbox{Z}\!\!\to\!\!\tau^+\tau^-$ candidates collected with the ALEPH detector at LEP between 1991 and 1995, $\tau$ lepton decays involving $K^0_S\!\to\!\pi^+\pi^-$ are...
Measurements of the structure of quark and gluon jets in hadronic Z decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
An experimental investigation of the structure of identified quark and gluon jets is presented. Observables related to both the global and internal structure of jets are measured; this allows for...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Starting from a sample of four million hadronic $Z$ decays collected with the ALEPH detector at LEP, 404 charged and neutral $B$ mesons are fully reconstructed and used to look for resonant structure...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
An analysis based on 124000 selected tau pairs recorded by the ALEPH detector at LEP provides the vector (V) and axial-vector (A) spectral functions of hadronic tau decays together with their total...
Study of $B^0_s$ oscillations and lifetime using fully reconstructed $D^-_s$ decays (1998)
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
A search for B0s oscillations is performed using approximately 4 million Z --> qqbar events collected by the ALEPH experiment during 1991-1995. B0s candidates are partially reconstructed by combining...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
The four jet topology is analysed in the ALEPH data taken between November 1995 and November 1997, at centre-of-mass energies ranging from 130 to 184 GeV. While an unexpected accumulation of events...
Barate, R, Buskulic, Damir, Décamp, D, Ghez, P, Goy, C, Lees, J P, ...
Inclusive pi^+/-, K^+/- (p,pbar) production is investigated using data recorded by the ALEPH detector between 1992 and 1994. The momentum spectra and multiplicities are measured separately in Z...