79 citations · 667 across the 25 of their papers we have counts for
24 papers · 1 filter
Physical interpretation of the anomalous Cherenkov rings observed with the DELPHI detector
V. F. Perepelitsa, T. Ekelof, A. Ferrer +1
The results of a search with the DELPHI Barrel RICH for anomalous Cherenkov rings having radii greater than those produced by ultrarelativistic particles were reported in our previ…
A search for anomalous Cherenkov rings
V. F. Perepelitsa, T. Ekelof, A. Ferrer +1
The results of a search with the DELPHI Barrel RICH for Cherenkov rings having radii greater than those produced by ultrarelativistic particles are presented. The search for such a…
A study of the b-quark fragmentation function with the DELPHI detector at LEP I and an averaged distribution obtained at the Z Pole
DELPHI Collaboration, J. Abdallah
The nature of b-quark jet hadronisation has been investigated using data taken at the Z peak by the DELPHI detector at LEP. Two complementary methods are used to reconstruct the en…
Search for single top quark production via contact interactions at LEP2
DELPHI Collaboration, J. Abdallah
Single top quark production via four-fermion contact interactions associated to flavour-changing neutral currents was searched for in data taken by the DELPHI detector at LEP2. The…
Measurements of CP-conserving Trilinear Gauge Boson Couplings WWV (V = gamma,Z) in e+e- Collisions at LEP2
The DELPHI Collaboration, J. Abdallah
The data taken by DELPHI at centre-of-mass energies between 189 and 209 GeV are used to place limits on the CP-conserving trilinear gauge boson couplings Delta_g1z, lambda_gamma an…
Observation of the Muon Inner Bremsstrahlung at LEP1
The DELPHI Collaboration, J. Abdallah
Muon bremsstrahlung photons converted in front of the DELPHI main tracker (TPC) in dimuon events at LEP1 were studied in two photon kinematic ranges: 0.2 < E_gamma <= 1 GeV and tra…
Search for one large extra dimension with the DELPHI detector at LEP
DELPHI Collaboration, J. Abdallah
Single photons detected by the DELPHI experiment at LEP2 in the years 1997-2000 are reanalysed to investigate the existence of a single extra dimension in a modified ADD scenario w…
Study of b-quark mass effects in multijet topologies with the DELPHI detector at LEP
The DELPHI Collaboration, J. Abdallah
The effect of the heavy b-quark mass on the two, three and four-jet rates is studied using LEP data collected by the DELPHI experiment at the Z peak in 1994 and 1995. The rates of…
Search for one large extra dimension with the DELPHI detector at LEP2
S. Ask, V. Hedberg, F. -L. Navarria
Single photons detected by the DELPHI experiment at LEP2 in the years 1997-2000 are used to investigate the existence of a single extra dimension in a modifed ADD scenario with sli…
Study of Triple-Gauge-Boson Couplings ZZZ, ZZgam and Zgamgam at LEP
The DELPHI Collaboration, J. Abdallah
Neutral triple-gauge-boson couplings ZZZ, ZZgam and Zgamgam have been studied with the DELPHI detector using data at energies between 183 and 208 GeV. Limits are derived on these c…
Search for B0_s - anti-B0_s oscillations in DELPHI using high-p_t leptons
The DELPHI Collaboration, J. Abdallah
Oscillations in the B0_s - anti-B0_s system were studied in events selected from about 4.3 million hadronic Z^0 decays registered by DELPHI between 1992 and 2000. This paper presen…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
Search for the Standard Model Higgs boson at LEP in the year 2000
The DELPHI Collaboration, P. Abreu
Searches for the Standard Model Higgs boson have been performed in the data collected by the DELPHI experiment at LEP in the year 2000 at centre-of-mass energies between 200 and 20…
The Scale Dependence of the Hadron Multiplicity in Quark and Gluon Jets and a Precise Determination of
DELPHI Collaboration, P. Abreu et al
Data collected at the Z resonance using the DELPHI detector at LEP are used to determine the charged hadron multiplicity in gluon and quark jets as a function of a transverse momen…
A Search for Heavy Stable and Long-Lived Squarks and Sleptons in e^+ e^- Collisions at Energies from 130 to 183 GeV
DELPHI Collaboration, P. Abreu et al
A search for stable and long-lived heavy charged particles used the data taken by the DELPHI experiment at energies from 130 to 183 GeV. The Cherenkov light detected in the Ring Im…