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Article
Determination of |Vcb| from the semileptonic decay B0 → D*−ℓ+ ν
Semileptonic decays B→ D*− ℓ + νX were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for sem...
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Article
Search for high massγγ resonances in \(e^ + e^ - \to \ell ^ + \ell ^ - \gamma \gamma \) , \(\nu \bar \nu \gamma \gamma \) and \(q\bar q\gamma \gamma \) at LEP Iat LEP I
A search for high mass photon pairs from the processes \(e^ + e^ - \to \ell ^ + \ell ^ - \gamma \gamma \) , ...
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Article
Study of rareb decays with the DELPHI detector at LEP
Rare decays of beauty particles were studied in several charmless modes using the data collected with the DELPHI detector at LEP from 1991 to 1994. These decays are mediated by both tree levelb→u and one-loop pen...
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Article
Determination of the average lifetime ofb-baryons
The average lifetime ofb-baryons has been studied using 3×106 hadronicZ 0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different observ...
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Article
Measurement of the B d 0 oscillation frequency using kaons, leptons and jet charge
A measurement of the mass difference,Δm d , between the two physical B d 0 ...
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Article
Mean lifetime of theB s 0 meson
This paper presents an update of the measurement of the mean lifetime of theB s 0 meson. CombiningD ...
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Article
First study of the interference between initial and final state radiation at the Z resonance
The interference between initial and final state radiation in the processe + e −→μ + μ − at √s≈MZ has been studied b...
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Article
A measurement of the photon structure functionF 2 γ at an averageQ 2 of 12 GeV2/c 4
The hadronic photon structure functionF 2 γ has been measured in theQ 2 range from 4 to 30 GeV2/c ...
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Article
Search for promptly produced heavy quarkonium states in hadronic Z decays
A search has been made for direct production of heavy quarkonium states in more than 3 million hadronicZ 0 decays in the 1991–1994 DELPHI data. PromptJ/ψ, ψ(2S) andΓ candidates have been searched ...
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Article
Measurement of the \(\Gamma _{b\bar b} /\Gamma _{had} \) branching ratio of thez by double hemisphere tagging
Two measurements of \(\Gamma _{b\bar b} /\Gamma _{had} \) are presented. Both measurements use 250000Z decays taken ...
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Article
Production characteristics of K0 and light meson resonances in hadronic decays of theZ 0
An analysis of inclusive production of K0 and the meson resonances K*±(892), ρ0(770),f 0(975) andf 2(1270) in hadronic decays of the Z0 is presented, based on about 973,000 multihadronic events collected by the D...
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Article
Production of strange B-baryons decaying into Ξ∓−ℓ∓ pairs at LEP
An excess of events containing, in a jet, a samesign Ξ∓−ℓ∓ pair as compared to those with an oppositesign Ξ∓−ℓ± pair has been observed in an analysis of 1.7 million hadronic Z0 decays collected by the DELPHI dete...
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Article
Measurement of inclusiveπ 0 production in hadronicZ 0 decays
An analysis is presented of inclusiveπ 0 production inZ 0 decays measured with the DELPHI detector. At low energies,π 0 decays are reconstructed by using pairs of c...
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Article
Measurement of the forward-backward asymmetry ofe + e −→Z→ \(b\bar b\) using prompt leptons and a lifetime tag
The forward-backward asymmetry of the processe + e −→Z→b \(b\bar b\) has been measured using events collected by th...
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Article
Study of prompt photon production in hadronicZ 0 decays
From a sample of 1.5 millionZ 0→qq decays collected by the DELPHI detector during 1991, 1992 and 1993, the production cross section for isolated final state photons is measured and is compared wit...
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Article
A study of radiative muon-pair events at Z0 energies and limits on an additional Z′ gauge beson
An analysis is reported on the channele + e −→μ+μ−(nγ), n=1,2..., using data taken with the DELPHI detector at LEP from 1990 to 1992. Differential cross sections of the radiative photons as a function of photon e...
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Article
Strange baryon production in Z hadronic decays
A study of the production of strange octet and decuplet baryons in hadronic decays of the Z recorded by the DELPHI detector at LEP is presented. This includes the first measurement of the∑ ± average multiplicity....
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Article
Measurement of \(\frac{{\Gamma _{b\bar b} }}{{\Gamma _{had} }}\) using impact parameter measurements and lepton identification
The partial decay width of theZ to \(b\bar b\) quark pairs has been measured by the DELPHI detector at LEP.b-hadrons...
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Article
B * production in Z decays
The decayB *→B γ has been observed with the DELPHI detector at LEP, where theB * meson is produced inZ boson decays. The combination of inclusively reconstructedB mesons with well-measured converted photons yield...
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Article
Lifetime and production rate of beauty baryons from Z decays
The production and decay of beauty baryons (b-baryons) have been studied using 1.7×106 Z hadronic decays collected by the DELPHI detector at LEP. Three different techniques were used to identify theb-baryons. The...
