activity
19992002
most citedSearch for scalar leptons in e+e- collisions at centre-of-mass energies up to 209GeV

95 citations · 807 across the 29 of their papers we have counts for

collaborators

29 papers

hep-ex2002★ 66 cited

Search for charged Higgs bosons in e+e- collisions at energies up to sqrt(s) = 209GeV

ALEPH Collaboration

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 tota…

hep-ex2002★ 40 cited

Search for gammagamma -> eta_b in e+e- collisions at LEP2

ALEPH Collaboration

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…

hep-ex2001★ 95 cited

Search for scalar leptons in e+e- collisions at centre-of-mass energies up to 209GeV

ALEPH Collaboration

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 ca…

hep-ex2001★ 9 cited

Single Intermediate Vector Boson Production in e+e- collisions at sqrt(s) = 183 and 189 GeV

DELPHI Collaboration, P. Abreu

The cross-sections for the production of single charged and neutral intermediate vector bosons were measured using integrated luminosities of 52 pb^{-1} and 154 pb^{-1} collected b…

hep-ex2001★ 27 cited

Determination of |Vub|/|Vcb| with DELPHI at LEP

The DELPHI Collaboration, P. Abreu

The ratio of the CKM quark-mixing matrix elements |Vub|/|Vcb| has been measured using B hadron semileptonic decays. The analysis uses the reconstructed mass M_X of the secondary ha…

hep-ex2001★ 31 cited

Measurement of the anti-B ---> D* pi lepton anti-neutrino(lepton) Branching Fraction

The DELPHI Collaboration, P. Abreu

A study of b semileptonic decays into D, D pi+- and D* pi+- final states is presented. The D0, D+ and D*+ mesons are exclusively reconstructed in Z decay data recorded from 1992 to…

hep-ex2001★ 3 cited

Rapidity-Rank Structure of p pbar Pairs in Hadronic Z0 Decays

The DELPHI Collaboration, P. Abreu

The rapidity-rank structure of p pbar pairs is used to analyze the mechanism of baryon production in hadronic Z0 decay. The relative occurrence of the rapidity-ordered configuratio…

hep-ex2001★ 37 cited

Measurement of V_{cb} from the decay process \bar{B^0} -> D^{*+} \ell^- \barν

The DELPHI Collaboration, P. Abreu

A new precise measurement of |V_{cb}| and of the branching ratio BR(\bar{B^0} -> D^{*+} \ell^- \bar{ν_\ell}) has been performed using a sample of about 5000 semileptonic decays \ba…

hep-ex2001★ 9 cited

Search for charginos in e+e- interactions at sqrt(s) = 189 GeV

The DELPHI Collaboration, P. Abreu

An update of the searches for charginos and gravitinos is presented, based on a data sample corresponding to the 158 pb^{-1} recorded by the DELPHI detector in 1998, at a centre-of…

hep-ex2001★ 25 cited

Search for Heavy Stable and Long-Lived Particles in e+e- Collisions at sqrt(s)=189 GeV

The DELPHI Collaboration, P. Abreu

A search for stable and long-lived heavy charged particles was performed using the data taken by the DELPHI experiment at an energy of 189 GeV. The Cherenkov light detected in the…

hep-ex2001★ 11 cited

Update of the search for charginos nearly mass-degenerate with the lightest neutralino

The DELPHI Collaboration, P. Abreu

The data collected by DELPHI in 1998 at the centre-of-mass energy of 189 GeV have been used to update the search for charginos nearly mass-degenerate with the lightest supersymmetr…

hep-ex2001★ 15 cited

Search for supersymmetric partners of top and bottom quarks at sqrt(s) = 189 GeV

The DELPHI Collaboration, P. Abreu

Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model exp…

hep-ex2001★ 58 cited

Measurement and Interpretation of Fermion-Pair Production at LEP Energies of 183 and 189 GeV

The DELPHI Collaboration, P. Abreu

An analysis of the data collected in 1997 and 1998 with the DELPHI detector at e+e- collision energies close to 183 and 189 GeV was performed in order to extract the hadronic and l…

hep-ex2001★ 26 cited

Hadronization properties of b quarks compared to light quarks in e+e- -> q qbar from 183 to 200 GeV

The DELPHI Collaboration, P. Abreu

The DELPHI detector at LEP has collected 54 pb^{-1} of data at a centre-of-mass energy around 183 GeV during 1997, 158 pb^{-1} around 189 GeV during 1998, and 187 pb^{-1} between 1…

hep-ex2001★ 13 cited

Inclusive Sigma- and Lambda(1520) production in hadronic Z decays

The DELPHI Collaboration, P. Abreu

Production of Sigma- and Lambda(1520) in hadronic Z decays has been measured using the DELPHI detector at LEP. The Sigma- is directly reconstructed as a charged track in the DELPHI…

hep-ex2001★ 12 cited

Limits on the Masses of Supersymmetric Particles at sqrt(s)=189 GeV

The DELPHI Collaboration, P. Abreu

Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetr…

hep-ex2001★ 22 cited

W pair production cross-section and W branching fractions in e+e- interactions at 189 GeV

The DELPHI Collaboration, P. Abreu

The cross-section for the process e+e- -> W+W- has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 189 GeV and corresponding to an int…

hep-ex2001★ 22 cited

Search for SUSY with R-parity violating LL\bar{E} couplings at sqrt(s) = 189 GeV

The DELPHI Collaboration, P. Abreu

Searches for pair production of supersymmetric particles under the assumption that R-parity is not conserved are presented, based on data recorded by the DELPHI detector in 1998 fr…

hep-ex2001★ 16 cited

Determination of the e+e- -> gamma gamma (gamma) cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV

The DELPHI Collaboration, P. Abreu

A test of the QED process e+e- -> gamma gamma (gamma) is reported. The data analysed were collected with the DELPHI detector in 1998 and 1999 at the highest energies achieved at LE…

hep-ex2001★ 7 cited

Measurement of the ZZ cross-section in e+e- interactions at 183-189 GeV

The DELPHI Collaboration, P. Abreu

Measurements of on-shell ZZ production are described, using data collected by DELPHI in 1997 and 1998, at centre-of-mass energies sqrt(s) = 182.6 GeV and 188.6 GeV respectively. Re…

hep-ex2001★ 9 cited

Search for the sgoldstino at sqrt(s) from 189 to 202 GeV

The DELPHI Collaboration, P. Abreu

A search for the supersymmetric partner of the goldstino, the sgoldstino S, at LEP2 is presented. The production Sgamma followed by S decay into two gluons or into two photons was…

hep-ex2001★ 35 cited

Measurement of Trilinear Gauge Boson Couplings WWV, (V = Z,gamma) in e+e- Collisions at 189 GeV

The DELPHI Collaboration, P. Abreu

Measurements of the trilinear gauge boson couplings WWgamma and WWZ are presented using the data taken by DELPHI in 1998 at a centre-of-mass energy of 189 GeV and combined with DEL…

hep-ex2001★ 5 cited

Update of the search for supersymmetric particles in scenarios with Gravitino LSP and Sleptons NLSP

The DELPHI Collaboration, P. Abreu

An update of the search for sleptons, neutralinos and charginos in the context of scenarios where the lightest supersymmetric particle is the gravitino and the next-to-lightest sup…

hep-ex2000★ 58 cited

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

ALEPH Collaboration

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…