Z. Ajaltouni

Publication List Details

Period

1990 - 2009

Number

456

Co-Authors

Time Reversal Violation: Suggested Tests for Non-Leptonic Two-Body Decays (2009)

Di Salvo, E., Ajaltouni, Z.

We discuss a theoretical condition for time reversal violation in weak non-leptonic two-body decays involving spinning and unstable particles in the final state. In some cases this condition looks...

Time Reversal Violation: Suggested Tests for Non-Leptonic Two-Body Decays (2009)

Di Salvo, E., Ajaltouni, Z.

We discuss a theoretical condition for time reversal violation in weak non-leptonic two-body decays involving spinning and unstable particles in the final state. In some cases this condition looks...

Time Reversal Violation: Suggested Tests for Non-Leptonic Two-Body Decays (2009)

Di Salvo, E., Ajaltouni, Z.

We discuss a theoretical condition for time reversal violation in weak non-leptonic two-body decays involving spinning and unstable particles in the final state. In some cases this condition looks...

Recherche de la violation des symétries CP et T dans les réactions $\Lambda^{0}_{b} \to \Lambda^{0} +$ un méson vecteur: Validation de l'architecture de lecture des canaux du détecteur de pied de gerbe de l'expérience LHCb (2008)

Conte, E, Ajaltouni, Z

Cette thèse explore la physique des baryons beaux dans le cadre de l'expérience LHCb. L'axe de recherche considéré porte sur les désintégrations Lambda0_b ?> Lambda0 V avec V un méson vecteur...

The drawer system concept for the ATLAS Tilecal readout (2007)

Ajaltouni Badaud, Z. Ajaltouni, F. Badaud, N. Bouhemaid, Ph. Brette, M. Brossard, ...

One strong constraint in ATLAS is the easy and fast access to the Tile calorimeter readout without any destructive interference with the rest of the detector. Therefore the drawer system has been...

Updated measurement of the $\tau$ lepton lifetime (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Searches for scalar top and scalar bottom quarks at LEP2 (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV. (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV. (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Searches for scalar top and scalar bottom quarks at LEP2 (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Updated measurement of the $\tau$ lepton lifetime (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Search for sleptons in $e^+ e^-$ collisions at centre-of-mass energies of 161 GeV and 172 GeV. (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the...

Searches for scalar top and scalar bottom quarks at LEP2 (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

Searches for scalar top and bottom quarks have been performed with data collected by the ALEPH detector at LEP. The data sample consists of 21.7 pb^-1 taken at sqrt{s} = 161, 170, and 172~GeV and 5.7...

Updated measurement of the $\tau$ lepton lifetime (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A new measurement of the mean lifetime of the tau lepton is presented. Three different analysis methods are applied to a sample of 90000 tau pairs, collected in 1993 and 1994 with the ALEPH detector...

Study of Fermion Pair Production in $e^{+}e^{-}$ Collisions at 130-183 GeV (2005)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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,...

Study of $\tau$ decays involving kaons, spectral functions and determination of the strange quark mass (2005)

Barate, R., Decamp, 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,...

Measurement of triple gauge-boson WW$\gamma$ couplings at LEP2 using photonic events (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Measurement of triple gauge-boson WW$\gamma$ couplings at LEP2 using photonic events (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Study of $\tau$ decays involving kaons, spectral functions and determination of the strange quark mass (2005)

Barate, R., Decamp, 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,...

Study of Fermion Pair Production in $e^{+}e^{-}$ Collisions at 130-183 GeV (2005)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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,...

Search for pair-production of long-lived heavy charged particles in $e^+ e^-$ annihilation (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

A search for pair-production of long-lived, heavy, singly-charged particles has been performed with data collected by the ALEPH detector at a centre-of-mass energy of 172 GeV. Data at \sqrt{s} = 161,...

Measurement of triple gauge-boson WW$\gamma$ couplings at LEP2 using photonic events (2005)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Study of $\tau$ decays involving kaons, spectral functions and determination of the strange quark mass (2005)

Barate, R., Decamp, 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,...

Study of Fermion Pair Production in $e^{+}e^{-}$ Collisions at 130-183 GeV (2005)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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,...

Analysis of the channel $\Lambda_b \to \Lambda J/\Psi$ (2005)

Ajaltouni, Z., Conte, E.

A first study of the LHCb sensitivity to the decay $\Lambda_b \to $\Lambda(p\pi^−) J/\Psi(\pi^+\pi^−$) (including also $\bar{\Lambda}_b \to $\bar{\Lambda}(\bar{p}\pi^+)...

Analysis of the channel $\Lambda_b \to \Lambda J/\Psi$ (2005)

Ajaltouni, Z., Conte, E.

A first study of the LHCb sensitivity to the decay $\Lambda_b \to $\Lambda(p\pi^−) J/\Psi(\pi^+\pi^−$) (including also $\bar{\Lambda}_b \to $\bar{\Lambda}(\bar{p}\pi^+)...

Analysis of the channel $\Lambda_b \to \Lambda J/\Psi$ (2005)

Ajaltouni, Z., Conte, E.

A first study of the LHCb sensitivity to the decay $\Lambda_b \to $\Lambda(p\pi^−) J/\Psi(\pi^+\pi^−$) (including also $\bar{\Lambda}_b \to $\bar{\Lambda}(\bar{p}\pi^+)...

Measurement of Triple Gauge-Boson Couplings at LEP energies up to 189 GeV (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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 Michel parameters and the $\nu_{\tau}$ helicity in $\tau$ lepton decays (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Investigation of Inclusive CP Asymmetries in B$^{0}$ Decays (2001)

Barate, R., Decamp, 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...

Measurement of the Tau polarisation at LEP (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Study of the fragmentation of $b$ quarks into $B$ mesons at the $Z$ peak (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Search for Supersymmetric Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ up to 202 GeV and Mass Limit for the Lightest Neutralino (2001)

Barate, R., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of Triple Gauge-Boson Couplings at LEP energies up to 189 GeV (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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 Michel parameters and the $\nu_{\tau}$ helicity in $\tau$ lepton decays (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Investigation of Inclusive CP Asymmetries in B$^{0}$ Decays (2001)

Barate, R., Decamp, 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...

Measurement of the Tau polarisation at LEP (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Study of the fragmentation of $b$ quarks into $B$ mesons at the $Z$ peak (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Search for Supersymmetric Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ up to 202 GeV and Mass Limit for the Lightest Neutralino (2001)

Barate, R., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of Triple Gauge-Boson Couplings at LEP energies up to 189 GeV (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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 Michel parameters and the $\nu_{\tau}$ helicity in $\tau$ lepton decays (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Investigation of Inclusive CP Asymmetries in B$^{0}$ Decays (2001)

Barate, R., Decamp, 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...

Measurement of the Tau polarisation at LEP (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Study of the fragmentation of $b$ quarks into $B$ mesons at the $Z$ peak (2001)

Heister, A., Schael, S., Barate, R., De Bonis, I., Decamp, 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...

Search for Supersymmetric Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ up to 202 GeV and Mass Limit for the Lightest Neutralino (2001)

Barate, R., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for Single Top Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189 - 202 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Study of the CP asymmetry of B$^{0} \rightarrow$ J/$\psi$K$^{0}_{s}$ decays in ALEPH (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Merle, E., Pietrzyk, B., ...

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...

Study of Charm Production in Z Decays (2000)

Barate, R., Decamp, 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...

Inclusive Production of $\pi^{0}, \eta, \eta'(958), K^0_s$ and $\Lambda$ in Two- and Three-Jet Events from Hadronic Z Decays (2000)

Barate, R., Decamp, 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...

Measurement of the W Mass and Width in $e^+ e^-$ Collisions at 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for the neutral Higgs bosons of the Standard Model and the MSSM in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for Gauge-Mediated SUSY Breaking Topologies at $\sqrt{s} \sim$ 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for charged Higgs bosons in $e^+ e^-$ collisions at energies up to $\sqrt{s}$ = 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for a Scalar Top almost degenerate with the lightest Neutralino in $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for $\gamma\gamma$ decays of a Higgs boson produced in association with a fermion pair in $e^+ e^-$ collisions at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

A study of the decay width difference in the $B^{0}_{s}-\overline{B}^{ 0}_{s}$ system using $\phi\phi$ correlations (2000)

Barate, R., Decamp, 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...

Measurement of W-pair production in $e^+ e^-$ collisions at 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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 Z Resonance Parameters at LEP (2000)

Barate, R., Decamp, 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...

Search for the glueball candidates $f_{O}$(1500) and $f_{J}$(1710) in $\gamma\gamma$ collisions (2000)

Barate, R., Decamp, 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...

Search for R-Parity Violating Decays of Supersymmetric Particles in $e^{+} e^{-}$ Collisions at Centre-of-Mass Energies near 183 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Bose-Einstein correlations in W-pair decays (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Fermi-Dirac Correlations in $\Lambda$ Pairs in Hadronic Z Decays (2000)

Barate, R., Decamp, 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...

Fermi-Dirac Correlations in $\Lambda$ Pairs in Hadronic Z Decays (2000)

Barate, R., Decamp, 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...

Bose-Einstein correlations in W-pair decays (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for R-Parity Violating Decays of Supersymmetric Particles in $e^{+} e^{-}$ Collisions at Centre-of-Mass Energies near 183 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for the glueball candidates $f_{O}$(1500) and $f_{J}$(1710) in $\gamma\gamma$ collisions (2000)

Barate, R., Decamp, 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...

Measurement of the Z Resonance Parameters at LEP (2000)

Barate, R., Decamp, 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...

Inclusive Production of $\pi^{0}, \eta, \eta'(958), K^0_s$ and $\Lambda$ in Two- and Three-Jet Events from Hadronic Z Decays (2000)

Barate, R., Decamp, 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 (2000)

Barate, R., Decamp, 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...

Search for Single Top Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189 - 202 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Study of the CP asymmetry of B$^{0} \rightarrow$ J/$\psi$K$^{0}_{s}$ decays in ALEPH (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Merle, E., Pietrzyk, B., ...

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...

Measurement of the W Mass and Width in $e^+ e^-$ Collisions at 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for the neutral Higgs bosons of the Standard Model and the MSSM in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for Gauge-Mediated SUSY Breaking Topologies at $\sqrt{s} \sim$ 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for charged Higgs bosons in $e^+ e^-$ collisions at energies up to $\sqrt{s}$ = 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for a Scalar Top almost degenerate with the lightest Neutralino in $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for $\gamma\gamma$ decays of a Higgs boson produced in association with a fermion pair in $e^+ e^-$ collisions at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

A study of the decay width difference in the $B^{0}_{s}-\overline{B}^{ 0}_{s}$ system using $\phi\phi$ correlations (2000)

Barate, R., Decamp, 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...

Measurement of W-pair production in $e^+ e^-$ collisions at 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Fermi-Dirac Correlations in $\Lambda$ Pairs in Hadronic Z Decays (2000)

Barate, R., Decamp, 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...

Bose-Einstein correlations in W-pair decays (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for R-Parity Violating Decays of Supersymmetric Particles in $e^{+} e^{-}$ Collisions at Centre-of-Mass Energies near 183 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for the glueball candidates $f_{O}$(1500) and $f_{J}$(1710) in $\gamma\gamma$ collisions (2000)

Barate, R., Decamp, 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...

Measurement of the Z Resonance Parameters at LEP (2000)

Barate, R., Decamp, 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...

Inclusive Production of $\pi^{0}, \eta, \eta'(958), K^0_s$ and $\Lambda$ in Two- and Three-Jet Events from Hadronic Z Decays (2000)

Barate, R., Decamp, 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 (2000)

Barate, R., Decamp, 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...

Search for Single Top Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 189 - 202 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Study of the CP asymmetry of B$^{0} \rightarrow$ J/$\psi$K$^{0}_{s}$ decays in ALEPH (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Merle, E., Pietrzyk, B., ...

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...

Measurement of the W Mass and Width in $e^+ e^-$ Collisions at 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for the neutral Higgs bosons of the Standard Model and the MSSM in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for Gauge-Mediated SUSY Breaking Topologies at $\sqrt{s} \sim$ 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for charged Higgs bosons in $e^+ e^-$ collisions at energies up to $\sqrt{s}$ = 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for a Scalar Top almost degenerate with the lightest Neutralino in $e^+ e^-$ collisions at $\sqrt{s}$ up to 202 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for $\gamma\gamma$ decays of a Higgs boson produced in association with a fermion pair in $e^+ e^-$ collisions at LEP (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

A study of the decay width difference in the $B^{0}_{s}-\overline{B}^{ 0}_{s}$ system using $\phi\phi$ correlations (2000)

Barate, R., Decamp, 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...

Measurement of W-pair production in $e^+ e^-$ collisions at 189 GeV (2000)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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 Z resonance parameters at LEP (2000)

Barate, R., Decamp, 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 ALEPII detector at LEP. The data are consistent with lepton...

Measurements of the structure of quark and gluon jets in hadronic Z decays (2000)

Barate, R., Buskulic, D., Decamp, 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...

Measurement of the e$^{+}$e$^{-} \rightarrow ZZ$ Production Cross Section at Centre-of-Mass Energies of 183 and 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Searches for sleptons and squarks in $e^+ e^-$ collisions at 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for charginos and neutralinos in $e^+ e^-$ collisions at centre-of-mass energies near 183 GeV and constraints on the MSSM parameter space (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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 an invisibly decaying Higgs boson in $e^{+}e^{-}$ collisions at 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

A direct measurement of $\mid V_{cs} \mid$ in hadronic W decays using a charm tag (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, S., Lees, J P., ...

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...

A Study of Single W Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 161 - 183 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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)...

One-prong $\tau$ decays with kaons (1999)

Barate, R., Decamp, 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...

Measurement of the hadronic photon structure function at LEP 1 for $\langle Q^{2} \rangle$ values between 9.9 and 284 GeV$^{2}$ (1999)

Barate, R., Decamp, 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...

Search for invisible Higgs boson decays in $e^{+}e^{-}$ collisions at centre-of-mass energies up to 184 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for charged Higgs bosons in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 181-184 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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+-....

Measurement of the W mass in $e^+ e^-$ collisions at 183 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for Supersymmetry with a dominant R-Parity violating $LQ\overline{D}$ Coupling in $e^+ e^-$ Collisions at centre-of-mass energies of 130 GeV to 172 GeV (1999)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Jezequel, S., ...

A search for pair-production of supersymmetric particles under the assumption that R-parity is violated via a dominant LQDbar coupling has been performed using the data collected by ALEPH at...

Determination of $\mid V_{ub} \mid$ from the Measurement of the Inclusive Charmless Semileptonic Branching Ratio of b hadrons (1999)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

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...

Search for charginos and neutralinos in $e^+ e^-$ collisions at centre-of-mass energies near 183 GeV and constraints on the MSSM parameter space (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

One-prong $\tau$ decays with kaons (1999)

Barate, R., Decamp, 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...

Searches for sleptons and squarks in $e^+ e^-$ collisions at 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of the e$^{+}$e$^{-} \rightarrow ZZ$ Production Cross Section at Centre-of-Mass Energies of 183 and 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of the W mass in $e^+ e^-$ collisions at 183 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Determination of $\mid V_{ub} \mid$ from the Measurement of the Inclusive Charmless Semileptonic Branching Ratio of b hadrons (1999)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

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...

Search for Supersymmetry with a dominant R-Parity violating $LQ\overline{D}$ Coupling in $e^+ e^-$ Collisions at centre-of-mass energies of 130 GeV to 172 GeV (1999)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Jezequel, S., ...

A search for pair-production of supersymmetric particles under the assumption that R-parity is violated via a dominant LQDbar coupling has been performed using the data collected by ALEPH at...

Search for charged Higgs bosons in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 181-184 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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+-....

Search for invisible Higgs boson decays in $e^{+}e^{-}$ collisions at centre-of-mass energies up to 184 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of the hadronic photon structure function at LEP 1 for $\langle Q^{2} \rangle$ values between 9.9 and 284 GeV$^{2}$ (1999)

Barate, R., Decamp, 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...

A Study of Single W Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 161 - 183 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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)...

A direct measurement of $\mid V_{cs} \mid$ in hadronic W decays using a charm tag (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, S., Lees, J P., ...

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., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for charginos and neutralinos in $e^+ e^-$ collisions at centre-of-mass energies near 183 GeV and constraints on the MSSM parameter space (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

One-prong $\tau$ decays with kaons (1999)

Barate, R., Decamp, 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...

Searches for sleptons and squarks in $e^+ e^-$ collisions at 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of the e$^{+}$e$^{-} \rightarrow ZZ$ Production Cross Section at Centre-of-Mass Energies of 183 and 189 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of the W mass in $e^+ e^-$ collisions at 183 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Determination of $\mid V_{ub} \mid$ from the Measurement of the Inclusive Charmless Semileptonic Branching Ratio of b hadrons (1999)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

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...

Search for Supersymmetry with a dominant R-Parity violating $LQ\overline{D}$ Coupling in $e^+ e^-$ Collisions at centre-of-mass energies of 130 GeV to 172 GeV (1999)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Jezequel, S., ...

A search for pair-production of supersymmetric particles under the assumption that R-parity is violated via a dominant LQDbar coupling has been performed using the data collected by ALEPH at...

Search for charged Higgs bosons in $e^{+} e^{-}$ collisions at $\sqrt{s}$ = 181-184 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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+-....

Search for invisible Higgs boson decays in $e^{+}e^{-}$ collisions at centre-of-mass energies up to 184 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Measurement of the hadronic photon structure function at LEP 1 for $\langle Q^{2} \rangle$ values between 9.9 and 284 GeV$^{2}$ (1999)

Barate, R., Decamp, 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...

A Study of Single W Production in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 161 - 183 GeV (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, 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)...

A direct measurement of $\mid V_{cs} \mid$ in hadronic W decays using a charm tag (1999)

Barate, R., Decamp, D., Ghez, P., Goy, C., Jezequel, S., Lees, J P., ...

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., Decamp, D., Ghez, P., Goy, C., Jezequel, 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...

Search for Supersymmetry with a dominant R-Parity violating $LQ\overline{D}$ Coupling in $e^{+}e^{-}$ Collisions at centre-of-mass energies of 130 GeV to 172 GeV (1998)

Barate, R, Buskulic, D, Décamp, D, Ghez, P, Goy, C, Jézéquel, S, ...

A search for pair-production of supersymmetric particles under the assumption that R-parity is violated via a dominant LQDbar coupling has been performed using the data collected by ALEPH at...

Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)

Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...

Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...

Searches for Charginos and Neutralinos in $e^+ e^-$ Collisions at $\sqrt{s}$ = 161 and 172 GeV (1998)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

The data recorded by the ALEPH detector at centre-of-mass energies of 161, 170, and 172 GeV are analysed for signals of chargino and neutralino production. No evidence of a signal is found, although...

Search for supersymmetry in the photon(s) plus missing energy channels at $\sqrt{s}$=161 GeV and 172 GeV (1998)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

Searches for supersymmetric particles in channels with one or more photons and missing energy have been performed with data collected by the ALEPH detector at LEP. The data consist of 11.1 \pb\ at...

Four-jet final state production in $e^+ e^-$ collisions at centre-of-mass energies ranging from 130 to 184 GeV (1998)

Barate, R., Buskulic, D., Decamp, 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...

Measurement of the W mass by direct reconstruction in $e^+ e^-$ collisions at 172 GeV (1998)

Barate, R., Jezequel, S., Buskulic, D., Decamp, D., Ghez, P., Goy, C., ...

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., Jezequel, S., Buskulic, D., Decamp, D., Ghez, P., Goy, C., ...

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, D., Decamp, 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...

Measurement of triple gauge-boson couplings at 172 GeV (1998)

Barate, R., Jezequel, S., Buskulic, D., Decamp, D., Ghez, P., Goy, C., ...

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, D., Decamp, 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...

Measurement of the W mass by direct reconstruction in $e^+ e^-$ collisions at 172 GeV (1998)

Barate, R., Jezequel, S., Buskulic, D., Decamp, D., Ghez, P., Goy, C., ...

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...

Four-jet final state production in $e^+ e^-$ collisions at centre-of-mass energies ranging from 130 to 184 GeV (1998)

Barate, R., Buskulic, D., Decamp, 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...

Searches for Charginos and Neutralinos in $e^+ e^-$ Collisions at $\sqrt{s}$ = 161 and 172 GeV (1998)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

The data recorded by the ALEPH detector at centre-of-mass energies of 161, 170, and 172 GeV are analysed for signals of chargino and neutralino production. No evidence of a signal is found, although...

Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)

Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...

Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...

Search for supersymmetry in the photon(s) plus missing energy channels at $\sqrt{s}$=161 GeV and 172 GeV (1998)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

Searches for supersymmetric particles in channels with one or more photons and missing energy have been performed with data collected by the ALEPH detector at LEP. The data consist of 11.1 \pb\ at...

Measurement of triple gauge-boson couplings at 172 GeV (1998)

Barate, R., Jezequel, S., Buskulic, D., Decamp, D., Ghez, P., Goy, C., ...

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, D., Decamp, 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...

Measurement of the W mass by direct reconstruction in $e^+ e^-$ collisions at 172 GeV (1998)

Barate, R., Jezequel, S., Buskulic, D., Decamp, D., Ghez, P., Goy, C., ...

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...

Four-jet final state production in $e^+ e^-$ collisions at centre-of-mass energies ranging from 130 to 184 GeV (1998)

Barate, R., Buskulic, D., Decamp, 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...

Searches for Charginos and Neutralinos in $e^+ e^-$ Collisions at $\sqrt{s}$ = 161 and 172 GeV (1998)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

The data recorded by the ALEPH detector at centre-of-mass energies of 161, 170, and 172 GeV are analysed for signals of chargino and neutralino production. No evidence of a signal is found, although...

Evaluation of FERMI read-out of the ATLAS tilecal prototype (1998)

Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amelin, D., Amorim, A., ...

Prototypes of the FERMI system have been used to read out a prototype of the ATLAS hadron calorimeter in a beam test at the CERN SPS. The FERMI read-out system, using a compressor and a 40 MHz...

Search for supersymmetry in the photon(s) plus missing energy channels at $\sqrt{s}$=161 GeV and 172 GeV (1998)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

Searches for supersymmetric particles in channels with one or more photons and missing energy have been performed with data collected by the ALEPH detector at LEP. The data consist of 11.1 \pb\ at...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1997)

Buskulic, D., De Bonis, I., Decamp, 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...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Response of the ATLAS tile calorimeter prototype to muons (1997)

Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...

A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...

Production of orbitally excited charm mesons in semileptonic B decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally...

A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)

Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...

The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...

Transverse momentum correlations in hadronic Z decays (1997)

Buskulic, D., De Bonis, I., Decamp, 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...

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the Aleph detector (1997)

Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., Minard, M.N., ...

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...

Search for the $b_c$ meson in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, 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...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Measurement of the W mass in $e^+e^-$ collisions at production threshold (1997)

Barate, R., Buskulic, D., Decamp, 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...

Measurement of the branching fraction for $d^0 \rightarrow K^-\pi^+$ (1997)

Barate, R., Buskulic, D., Decamp, 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...

Inclusive production of neutral pions in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, 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...

A study of tau decays involving eta and omega mesons (1997)

Buskulic, D., De Bonis, I., Decamp, 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:...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Measurement of the tau lepton lifetime with the three-dimensional impact parameter method. (1997)

Barate, R., Buskulic, D., Decamp, 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...

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the Aleph detector (1997)

Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., Minard, M.N., ...

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...

Measurement of the tau lepton lifetime with the three-dimensional impact parameter method. (1997)

Barate, R., Buskulic, D., Decamp, 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...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

A study of tau decays involving eta and omega mesons (1997)

Buskulic, D., De Bonis, I., Decamp, 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:...

Inclusive production of neutral pions in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, 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...

Measurement of the branching fraction for $d^0 \rightarrow K^-\pi^+$ (1997)

Barate, R., Buskulic, D., Decamp, 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, D., Decamp, 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...

Search for the $b_c$ meson in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, 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...

Transverse momentum correlations in hadronic Z decays (1997)

Buskulic, D., De Bonis, I., Decamp, 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...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1997)

Buskulic, D., De Bonis, I., Decamp, 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...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Response of the ATLAS tile calorimeter prototype to muons (1997)

Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...

A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...

Production of orbitally excited charm mesons in semileptonic B decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally...

A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)

Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...

The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...

Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the Aleph detector (1997)

Decamp, D., Ghez, P., Goy, C., Lees, J.P., Lucotte, A., Minard, M.N., ...

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...

Measurement of the tau lepton lifetime with the three-dimensional impact parameter method. (1997)

Barate, R., Buskulic, D., Decamp, 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...

Search for the standard model Higgs boson in $e^+ e^-$ collisions at $\sqrt{s}$=161, 170 and 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The reaction e+e- -> HZ is used to search for the Standard Model Higgs boson. The data sample consists of integrated luminosities of 10.9pb-1 1.1pb-1 and 9.5pb-1 collected by the ALEPH experiment at...

Measurement of the W-pair cross section in $e^+ e^-$ collisions at 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross...

Search for the neutral Higgs bosons of the MSSM in $e^+ e^-$ collisions at $\sqrt{s}$ from 130 to 172 GeV (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

The process e+e- --> h A is used to search for the Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), in the bbbb and tautaubb final states. The search is performed in the data...

A study of tau decays involving eta and omega mesons (1997)

Buskulic, D., De Bonis, I., Decamp, 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:...

Inclusive production of neutral pions in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, 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...

Measurement of the branching fraction for $d^0 \rightarrow K^-\pi^+$ (1997)

Barate, R., Buskulic, D., Decamp, 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, D., Decamp, 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...

Search for the $b_c$ meson in hadronic Z decays (1997)

Barate, R., Buskulic, D., Decamp, 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...

Transverse momentum correlations in hadronic Z decays (1997)

Buskulic, D., De Bonis, I., Decamp, 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...

Measurement of the transverse spin correlations in the decay $Z \rightarrow \tau^+\tau^-$ (1997)

Barate, R., Buskulic, D., Decamp, D., Ghez, P., Goy, C., Lees, J P., ...

For tau leptons produced in e^+e^- -> tau^+ tau^- interactions there are, in addition to the longitudinal spin correlations, two independent transverse spin correlations associated with the...

Improved measurement of the $B^0_d$--$\overline{B}^0_d$ Oscillation frequency (1997)

Buskulic, D., De Bonis, I., Decamp, 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...

Results from a combined test of an electromagnetic liquid argon calorimeter with a hadronic scintillating-tile calorimeter (1997)

Ajaltouni, Z., Tisserand, V., Jezequel, S., Albiol, F., Alifanov, A., Amaral, P., ...

The first combined test of an electromagnetic liquid argon accordion calorimeter and a hadronic scintillating-tile calorimeter was carried out at the CERN SPS. These devices are prototypes of the...

Response of the ATLAS tile calorimeter prototype to muons (1997)

Ajaltouni, Z., Albiol, F., Alifanov, A., Amaral, P., Amorim, A., Anderson, K.J., ...

A study of high energy muons traversing the ATLAS hadron Tile calorimeter in the barrel region in the energy range between 10 and 300~GeV is presented. Both test beam experimental data and Monte...

Production of orbitally excited charm mesons in semileptonic B decays (1997)

Buskulic, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., Lees, J.P., ...

A sample of 3.6 million hadronic Z decays recorded between 1991 and 1995 with the ALEPH detector at LEP is used to investigate semileptonic decays of B mesons into final states involving orbitally...

A measurement of the energy loss spectrum of 150 GeV muons in iron (1997)

Berger, E., Blair, R., Dawson, J., Fuess, T., Guarino, V., Hill, N., ...

The energy loss spectrum of 150 GeV muons has been measured with a prototype of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. The differential probability ${\rm {d}}P/{\rm {d}}v$ per...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

Measurement of the B$^0_s$ lifetime and production rate with D$^-_s l^+$ combinations in Z decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

Limit on $B^0_s$ oscillation using a jet charge method (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

An upper limit for the $\tau$ neutrino mass from $\tau \rightarrow 5 \pi (\pi^0) \nu_{\tau}$ decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

An upper limit for the tau-neutrino mass has been determined from the decay tau -> 5pi+- \nu_tau using data collected with the OPAL detector from 1991 to 1995 in e+e- collisions at \sqrt{s} ~ M_Z. A...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

Measurement of the B$^0_s$ lifetime and production rate with D$^-_s l^+$ combinations in Z decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

Limit on $B^0_s$ oscillation using a jet charge method (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

An upper limit for the $\tau$ neutrino mass from $\tau \rightarrow 5 \pi (\pi^0) \nu_{\tau}$ decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

An upper limit for the tau-neutrino mass has been determined from the decay tau -> 5pi+- \nu_tau using data collected with the OPAL detector from 1991 to 1995 in e+e- collisions at \sqrt{s} ~ M_Z. A...

Measurements of the charged particle multiplicity distribution in restricted rapidity intervals (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

Measurement of the B$^0_s$ lifetime and production rate with D$^-_s l^+$ combinations in Z decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

Limit on $B^0_s$ oscillation using a jet charge method (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, 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...

An upper limit for the $\tau$ neutrino mass from $\tau \rightarrow 5 \pi (\pi^0) \nu_{\tau}$ decays (1995)

Buskulic, D., Casper, D., De Bonis, I., Decamp, D., Ghez, P., Goy, C., ...

An upper limit for the tau-neutrino mass has been determined from the decay tau -> 5pi+- \nu_tau using data collected with the OPAL detector from 1991 to 1995 in e+e- collisions at \sqrt{s} ~ M_Z. A...

Measurement of the Z resonance parameters at LEP

Barate, R., Decamp, 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 ALEPII detector at LEP. The data are consistent with lepton...

Measurements of the structure of quark and gluon jets in hadronic Z decays

Barate, R., Buskulic, D., Decamp, 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...

Measurement of the Z resonance parameters at LEP

Barate, R., Decamp, 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 ALEPII detector at LEP. The data are consistent with lepton...

Measurements of the structure of quark and gluon jets in hadronic Z decays

Barate, R., Buskulic, D., Decamp, 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...