activity
20012009
most citedSearch for Neutral MSSM Higgs Bosons at LEP

713 citations · 1.3k across the 28 of their papers we have counts for

collaborators
Showing hep-exShow all

27 papers · 1 filter

hep-ex2009★ 1 cited

Inclusive single-particle production in two-photon collisions at LEP II with the DELPHI detector

The DELPHI Collaboration, J. Abdallah

A study of the inclusive charged hadron production in two-photon collisions is described. The data were collected with the DELPHI detector at LEP II. Results on the inclusive singl…

hep-ex2008★ 48 cited

Study of W boson polarisations and Triple Gauge boson Couplings in the reaction e+e- -> W+W- at LEP 2

The DELPHI Collaboration, J. Abdallah

A determination of the single W Spin Density Matrix (SDM) elements in the reaction e+e- -> W+W- -> l nu q qbar (l=e/mu) is reported at centre-of-mass energies between 189 and 209 G…

hep-ex2007★ 4 cited

Measurement of the Tau Lepton Polarisation at LEP2

DELPHI Collaboration, J. Abdallah

A first measurement of the average polarisation P_tau of tau leptons produced in e+e- annihilation at energies significantly above the Z resonance is presented. The polarisation is…

hep-ex2007★ 5 cited

Search for Pentaquarks in the Hadronic Decays of the Z Boson with the DELPHI Detector at LEP

The DELPHI Collaboration, J. Abdallah

The quark model does not exclude states composed of more than three quarks, like pentaquark systems. Controversial evidence for such states has been published in the last years, in…

hep-ex2006★ 8 cited

Study of Leading Hadrons in Gluon and Quark Fragmentation

The DELPHI Collaboration, J. Abdallah

The study of quark jets in e+e- reactions at LEP has demonstrated that the hadronisation process is reproduced well by the Lund string model. However, our understanding of gluon fr…

hep-ex2006★ 5 cited

Masses, Lifetimes and Production Rates of Xi- and anti-Xi+ at LEP 1

The DELPHI Collaboration, J. Abdallah

Measurements of the Xi- and anti-Xi+ masses, mass differences, lifetimes and lifetime differences are presented. The anti-Xi+ sample used is much larger than those used previously…

hep-ex2006★ 713 cited

Search for Neutral MSSM Higgs Bosons at LEP

ALEPH, DELPHI, L3 +1

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric Standard Model (MSSM). The dat…

hep-ex2006★ 14 cited

Search for eta_b in two-photon collisions at LEP II with the DELPHI detector

The DELPHI Collaboration, J. Abdallah

The pseudoscalar meson eta_b has been searched for in two-photon interactions at LEP II. The data sample corresponds to a total integrated luminosity of 617 pb^{-1} at centre-of-ma…

hep-ex2004★ 7 cited

Coherent Soft Particle Production in Z Decays into Three Jets

The DELPHI Collaboration, J. Abdallah

Low-energy particle production perpendicular to the event plane in three-jet events produced in Z decays in e+e- annihilation is measured and compared to that perpendicular to the…

hep-ex2003★ 22 cited

A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons

The DELPHI Collaboration, J. Abdallah

The production fractions of charged and neutral b-hadrons in b-quark events from Z0 decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, base…

hep-ex2003★ 13 cited

Measurement of Inclusive f_1(1285) and f_1(1420) Production in Z Decays with the DELPHI Detector

The DELPHI Collaboration, J. Abdallah

DELPHI results are presented on the inclusive production of two (K Kbar pi)^0 states in the mass region 1.2-1.6 GeV/c^2 in hadronic Z decays at LEP I. The measured masses (widths)…

hep-ex2003★ 44 cited

Study of Inclusive J/psi Production in Two-Photon Collisions at LEP II with the DELPHI Detector

The DELPHI Collaboration, J. Abdallah

Inclusive J/psi production in photon-photon collisions has been observed at LEP II beam energies. A clear signal from the reaction gamma gamma -> J/psi+X is seen. The number of obs…

hep-ex2003★ 3 cited

Inclusive b Decays to Wrong Sign Charmed Mesons

The DELPHI Collaboration, J. Abdallah

The production of wrong sign charmed mesons b -> \bar D_{(s)} X, D_{(s)}=(D0,D+,D_s), is studied using the data collected by the DELPHI experiment in the years 1994 and 1995. Charm…

hep-ex2003★ 75 cited

Search for Doubly Charged Higgs Bosons at LEP2

The DELPHI Collaboration, J. Abdallah

A search for pair-produced doubly charged Higgs bosons has been performed using the data collected by the DELPHI detector at LEP at centre-of-mass energies between 189 and 209 GeV.…

hep-ex2002★ 2 cited

Rapidity-Alignment and p_T Compensation of Particle Pairs in Hadronic Z0 Decays

The DELPHI Collaboration, J. Abdallah

Observation is made of rapidity-alignment of K+K- and ppbar pairs which results from their asymmetric orientation in rapidity, with respect to the direction from primary quark to a…

hep-ex2002★ 18 cited

Search for Charged Higgs Bosons in e+e- Collisions at sqrt(s)=189-202 GeV

The DELPHI Collaboration, J. Abdallah

A search for pair-produced charged Higgs bosons was performed in the high energy data collected by the DELPHI detector at LEP II at centre-of-mass energies from 189 GeV to 202 GeV.…

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★ 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★ 20 cited

Measurement of the Mass and Width of the W Boson in e+e- Collisions at sqrt(s) = 189 GeV

The DELPHI Collaboration, P. Abreu

A measurement of the W mass and width has been performed by the DELPHI collaboration using the data collected during 1998. The data sample has an integrated luminosity of 155 pb^{-…

hep-ex2001★ 31 cited

Search for a fermiophobic Higgs at LEP 2

The DELPHI Collaboration, P. Abreu

Higgs bosons predicted by the fermiophobic scenario within Two Higgs Doublets Models were searched for in the data collected by the DELPHI detector at centre-of-mass energies betwe…

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★ 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…