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List of works by Peter Igo-Kemenes

A combined analysis of the hadronic and leptonic decays of the Z0

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A comparison of b and uds quark jets to gluon jets

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A determination of? s( $$M_{Z^0 } $$ ) at LEP using resummed QCD calculations

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A direct measurement of theZ 0 invisible width by single photon counting

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A direct search for neutralino production at LEP

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A direct search for new charged heavy leptons at LEP

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A first measurement of the Λ and ΛΛ () spin compositions in hadronic Z0 decays

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A global determination of $$\alpha _s (M_{Z^0 } )$$ at LEP

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A measurement of (892)± production in hadronic Z0 decays

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A measurement of charged particle multiplicity in Z0 → cc̄ and Z0 → bb̄ events

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A measurement of electron production in hadronicZ 0 decays and a determination of $$\Gamma (Z^0 \to b\bar b)$$

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A measurement of energy correlations and a determination of αs(M2Z0) e+e- annihilations at √s=91 GeV

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A measurement of global event shape distributions in the hadronic decays of theZ 0

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A measurement of photon radiation in lepton pair events from Z0 decays

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A measurement of strange baryon production in hadronic Z0 decays

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A measurement of the B d 0 oscillation frequency using leptons and D*± mesons

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A measurement of the QCD colour factor ratiosC A /C F andT F /C F from angular correlations in four-jet events

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A measurement of the average lifetime of b-flavoured baryons

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A measurement of the branching ratio

A measurement of the electroweak couplings of up and down type quarks using final state photons in hadronic Z0 decays

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A measurement of the forward-backward asymmetry of $$e^ + e^ - \to c\bar c$$ and $$e^ + e^ - \to b\bar b$$ at centre of mass energies on and near theZ 0 peak usingD *± mesons

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A measurement of the forward-backward asymmetry of e+e−→bb by applying a jet charge algorithm to lifetime tagged events

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A measurement of the forward-backward charge asymmetry in hadronic decays of the Z0

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A measurement of the production of D*± mesons on the Z0 resonance

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A measurement of the rate of charm production in W decays

article by Giovanni Abbiendi et al published September 2000 in Physics Letters B

A measurement of the Λb0 lifetime

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A measurement of the Ω− lifetime

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A measurement of the τ mass and the first CPT test with τ leptons

A measurement of the τ−→μ−ν̄μντ branching ratio

A measurement of |Vcb| using decays

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A measurement ofΓ (Z 0→b $$\Gamma ({\rm Z}^0 \to b\bar b)$$ /Γ(Z 0→hadrons) using an impact parameter technique

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A model independent measurement of quark and gluon jet properties and differences

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A model independent observation of the string effect using quark tagging at LEP

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A new upper limit for the branching ratio

A precise measurement of the tau polarization and its forward-backward asymmetry at LEP

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A search for acoplanar pairs of leptons or jets in Z0 decays. Mass limits on supersymmetric particles

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A search for doubly charged Higgs production in Z0 decays

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A search for lepton flavour violating Z0 decays

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A search for lepton flavour violation in Z0 decays

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A search for scalar leptoquarks in Z0 decays

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A search for the top and b′ quarks in hadronic Z0 decays

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A study of B meson oscillations using dilepton events

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A study of Bose-Einstein correlations in e+e− annihilations at LEP

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A study of K0SK0S Bose-Einstein correlations in hadronic Z0 decays

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A study of QCD structure constants and a measurement of $$\alpha _s (M_{Z^0 } )$$ at LEP using event shape observables

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A study of W+W−γ events at LEP

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A study of angular correlations in 4-jet final states of hadronicZ 0 decays

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A study of b quark fragmentation into B0 and B+ mesons at LEP

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A study of charged particle multiplicities in hadronic decays of theZ 0

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A study of charm hadron production in $$Z^0 \to c\bar c$$ and $$Z^0 \to b\bar b$$ decays at LEPdecays at LEP

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A study of charm meson production in semileptonic B decays

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A study of coherence of soft gluons in hadron jets

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A study of differences between quark and gluon jets using vertex tagging of quark jets

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A study of four-fermion final states with high multiplicity at LEP

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A study of heavy flavour production using muons in hadronic Z0 decays

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A study of in Z0 decays

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A study of jet production rates and a test of QCD on the Z0 resonance

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A study of mean sub-jet multiplicities in two- and three-jet hadronicZ 0 decays

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A study of muon pair production and evidence for tau pair production in photon-photon collisions at LEP

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A study of the electric charge distributions of quark and gluon jets in hadronic Z0 decays

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A study of the reaction e+e−→γγ at LEP

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A study of the recombination scheme dependence of jet production rates and of ? s ( $$M_{Z^0 } $$ ) in hadronicZ 0 decays

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A study of two-particle momentum correlations in hadronic Z0 decays

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A test of higher order electroweak theory in Z0 decays to two leptons with an associated pair of charged particles

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A test of the flavour independence of the strong interaction for five flavours

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A test ofCP-invariance in Z0??+?? using optimal observables

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An improved measuremebts of αS (MZ0) using energy correlations with the OPAL detector at LEP

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An improved measurement of the BS0 lifetime

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An upper limit on the anomalous magnetic moment of the τ lepton

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An upper limit on the branching ratio for τ decays into seven charged particles

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Analysis of Z0 couplings to charged leptons

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Angular analysis of the muon pair asymmetry at LEP 1

Bose–Einstein correlations of π0 pairs from hadronic Z0 decays

Bose–Einstein study of position–momentum correlations of charged pions in hadronic Z0 decays

Charged baryon and antibaryon production in the fragmentation region by 240 GeV protons

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Charged particle multiplicities in heavy and light quark initiated events above the Z0 peak

Colour reconnection studies in e+e−→W+W− at GeV

Comparisons of the properties of final state photons in hadronic Z0 decays with predictions from matrix element calculations

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Constraints on anomalous quartic gauge boson couplings fromνν¯γγandqq¯γγevents at CERN LEP2

scholarly article

Decay mode independent search for a light Higgs boson and new scalars

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Determination of an upper limit for the mass of the τ-neutrino at LEP

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Determination of event shape distributions and α s b from $$Z^0 \to b\bar b$$ events at LEP

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Determination of the LEP beam energy using radiative fermion-pair events

Determination of the α parameter for the decay Ξ− → Λπ−

Determination of α S using OPAL hadronic event shapes at $\sqrt{s} = 91\mbox{--}209~\mathrm{GeV}$ and resummed NNLO calculations

article published in 2011

Electron/hadron discrimination in the hyperon semileptonic decay experiments performed at the cern SPS

Evidence for b-flavoured baryon production in Z0 decays at LEP

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Evidence for chain-like production of strange baryon pairs in jets

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Evidence for final state photons in multihadronic decays of the Z0

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Evidence for the existence of the strange b-flavoured meson Bs0 in Z0 decays

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Experimental studies of unbiased gluon jets frome+e−annihilations using the jet boost algorithm

scholarly article

First measurement of production in Compton scattering of quasi-real photons

First measurement of the decay branching ratios

First measurement of the inclusive branching ratio of b hadrons to φ mesons in Z decays

Flavour independent search for Higgs bosons decaying into hadronic final states in e + e − collisions at LEP

scholarly article by Giovanni Abbiendi et al published September 2004 in Physics Letters B

Gauge & Higgs boson summary table

scholarly article by S. Eidelman et al published July 2004 in Physics Letters B

Genuine correlations of like-sign particles in hadronic Z0 decays

Improved measurement of the lifetime of the τ lepton

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Improved measurements of the B0 and B+ meson lifetimes

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Improved measurements of the neutral current from hadron and lepton production at LEP

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Inclusive jet production in photon–photon collisions at s ee from 189 to 209 GeV

Inclusive neutral vector meson production in hadronicZ 0 decays

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Inclusive production of charged hadrons in photon–photon collisions

Inclusive strange vector and tensor meson production in hadronic Z0 decays

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Intermittency in hadronic decays of the Z0

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Investigation of the string effect using final state photons

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Limits on a light Higgs boson in e+e− collisions at LEP

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Limits on neutral heavy lepton production from Z0 decay

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Mass limits for a standard model Higgs Boson in e+e− collisions at LEP

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Measurement of $$\Gamma (Z^0 \to b\bar b)/\Gamma (Z^0 \to hadrons)$$ using a double tagging method

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Measurement of $$\Gamma (Z^0 \to b\bar b)/\Gamma (Z^0 \to hadrons)$$ using impact parameters and leptons

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Measurement of $$\Gamma ({\rm Z}^0 \to b\bar b)/\Gamma ({\rm Z}^0 \to hadrons)$$ using leptons

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Measurement of B00 mixing in hadronic Z0 decays

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Measurement of branching ratios and τ polarization from τ→eνν−,τ→μνν−,andτ→π(K)ν decays at LEP

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Measurement of cross-sections and asymmetries in e+e− collisions at 130–140 GeV centre-of-mass energy

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Measurement of heavy quark forward–backward asymmetries and average B mixing using leptons in hadronic Z decays

Measurement of neutral-current four-fermion production at LEP2

Measurement of single photon production in e+e− collisions near the Z0 resonance

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Measurement of the B0 and B+ lifetimes

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Measurement of the B0 lifetime and oscillation frequency using decays

Measurement of the BS0 lifetime

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Measurement of the Q2 evolution of the photon structure function F2γ

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Measurement of the W mass and width in e+e− collisions at 183 GeV

Measurement of the W+W−γ cross-section and first direct limits on anomalous electroweak quartic gauge couplings

article by Giovanni Abbiendi et al published December 1999 in Physics Letters B

Measurement of the Z0 mass and width with the opal detector at LEP

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Measurement of the average B hadron lifetime in Z0 decays

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Measurement of the average b-baryon lifetime and the product branching ratio $$f(b \to \Lambda _b ) \cdot BR(\Lambda _b \to \Lambda \ell ^ - \bar vX)$$

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Measurement of the average polarization of b baryons in hadronic Z0 decays

Measurement of the averageb hadron lifetime inZ 0 decays

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Measurement of the b quark forward–backward asymmetry around the Z0 peak using an inclusive tag

Measurement of the branching fraction of the radiative decay

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Measurement of the branching ratio

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Measurement of the branching ratio for D−s→τ−ν̄τ decays

Measurement of the branching ratio for the process b→τ−ν̄τX

Measurement of the charm structure function F2,cγ of the photon at LEP

article by Giovanni Abbiendi et al published July 2002 in Physics Letters B

Measurement of the cross sections of the reactions e+e− → γγ and e+e− → γγγ at LEP

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Measurement of the e+e-→W+W- cross section and W decay branching fractions at LEP

Measurement of the hadronic decay current in τ−→π− − + v τ

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Measurement of the hadronic photon structure function F2γ at LEP2

Measurement of the leptonic branching ratios of the τ lepton

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Measurement of the lifetime of the charmed strange baryon A+

article by S.F. Biagi et al published January 1985 in Physics Letters B

Measurement of the longitudinal cross-section using the direction of the thrust axis in hadronic events at LEP

Measurement of the longitudinal, transverse and asymmetry fragmentation functions at LEP

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Measurement of the mass and width of the W boson in e+e− collisions at 189 GeV

Measurement of the mass of the W boson in e+e− collisions at

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Measurement of the multiplicity of charm quark pairs from gluons in hadronic Z0 Decays

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Measurement of the partial widths of the Z into up- and down-type quarks

Measurement of the photon structure function F2γ at low x

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Measurement of the photon structure functionF 2 ? in the reactione + e ??e + e ?+hadrons at LEP

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Measurement of the production rates of charged hadrons in e+ e−-annihilation at the Z0

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Measurement of the strong coupling αS from four-jet observables in e+e- annihilation

Measurement of the tau lepton lifetime

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Measurement of the tau lepton polarization and its forward-backward asymmetry from Z0 decays

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Measurement of the time dependence of mixing using a jet charge technique

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Measurement of the time dependence of mixing using leptons and D∗± mesons

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Measurement of the triple gauge boson coupling αWφ from W+W− production in e+e− collisions at GeV

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Measurement of the τ lifetime

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Measurement of the τ topological branching ratios at LEP

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Measurement of the τ− → h− π0ντ and τ− → h− ⩾ 2π0ντ branching ratios

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Measurement of the τ−→h − h + h − v τ and τ−→h − h + h −≥1π0 v τ branching ratios

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Measurement of theZ 0 line shape parameters and the electroweak couplings of charged leptons

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Measurement of |Vcb| using decays

Measurement of Ω− decay properties in the CERN SPS hyperon beam

Measurement of αs with radiative hadronic events

Measurements of $$B^0 - \bar B^0 $$ mixing, $${{\Gamma (Z^0 \to b\bar b)} \mathord{\left/ {\vphantom {{\Gamma (Z^0 \to b\bar b)} {\Gamma (Z^0 \to hadrons)}}} \right. \kern-\nulldelimiterspace} {\Gamma (Z^0 \to hadrons)}}$$ and semileptonic branching

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Measurements of R b in e + e − collisions at s between 182 and 209 GeV

Measurements of hyperon semileptonic decays at the CERN Super Proton Synchrotron

Measurements of hyperon semileptonic decays at the CERN Super Proton Synchrotron

scientific article published in 1983

Measurements of hyperon semileptonic decays at the CERN Super Proton Synchrotron

Measurements of hyperon semileptonic decays at the CERN Super Proton Synchrotron

scientific article published in 1982

Measurements of the Bs0 and Λb0 lifetimes

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Measurements of the decay of the Z0 into lepton pairs

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Measurements of the inclusive branching ratios of τ-leptons to K0S and charged K∗(892)

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Measurements of the total cross sections of Σ− and Ξ− on protons and deuterons between 74 and 137 GeV/c

Measurements with photonic events in e+e− collisions at centre-of-mass energies of 130–140 GeV

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Multi-photon events with large missing energy in e + e − collisions at s = 192 – 209 GeV

Multi-photon final states in e+e− collisions at ∝s =130-172 GeV

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Multi-photon production in e+e− collisions at 189 GeV

Multi-photon production in e+e− collisions at GeV

Multiplicity and transverse momentum correlations in multihadronic final states in e+e− interactions at √s = 91.2 GeV

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Multiplicity dependence of Bose-Einstein correlations in hadronic Z0 decays

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Observation of J/Ψ production in multihadronic Z0 decays

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Observation of a narrow state at 2.46 GeV/c2 — a candidate for the charmed strange Baryon A+

article by S.F. Biagi et al published March 1983 in Physics Letters B

Observation of exclusive decays of B mesons at LEP

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Observation of γ production in hadronic Z0 decays

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Observations of ?-B charge-flavor correlations and resonant B? and BK production

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Open access journals – what publishers offer, what researchers want

Particle identification with the OPAL jet chamber

Particle identification with the opal jet chamber in the region of the relativistic rise

Performance of the OPAL jet chamber

Photonic events with large missing energy in e+e− collisions at

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Physics with e+e− linear colliders

Precision measurements of the neutral current from hadron and lepton production at LEP

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Production of fermion-pair events in e+e− collisions at 161 GeV centre-of-mass energy

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Production of hyperons and hyperon resonances in Ξ − N interactions at 102 and 135 GeV/c*

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Production of χc2 mesons in photon-photon collisions at LEP

Prompt production in hadronic Z0 decays

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Properties of multihadronic events with a final state photon at $$\sqrt s = M_{Z^0 } $$

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Properties of the charmed strange baryonA + and evidence for the charmed doubly strange baryonT 0 at 2.74 GeV/c2

scholarly article published July 1985

QCD coherence and correlations of particles with restricted momenta in hadronic Z decays

QCD coherence studies using two particle azimuthal correlations

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QCD studies using a cone-based jet finding algorithm fore + e ? collisons at LEP

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Review of Particle Physics

scientific article published in September 2008

Review of Particle Physics

scientific article

Review of Particle Properties

scientific article

Search for Dirac magnetic monopoles in e + e − collisions with the OPAL detector at LEP2

Search for Higgs bosons and new particles decaying into two photons at GeV

scholarly article by K Ackerstaff et al published October 1998 in Physics Letters B

Search for Higgs bosons and other massive states decaying into two photons in e+e− collisions at 189 GeV

scholarly article by Giovanni Abbiendi et al published October 1999 in Physics Letters B

Search for a massive Di-photon resonance at ∝s = 91 – 172 GeV

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Search for a narrow resonance in Z0 decays into hadrons and isolated photons

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Search for a scalar top quark using the OPAL detector

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Search for an excess in the production of four-jet events from e+e− collisions at –184 GeV

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Search for anomalous production of high mass photon pairs in e+e− collisions at LEP

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Search for associated production of massive states decaying into two photons in e+e− annihilations at s=88–209 GeV

Search for baryon and lepton number violating Z0 decays

Search for charged Higgs bosons in e(+)e(-) collisions at [Formula: see text].

scientific article

Search for charged Higgs bosons in e+e− collisions at –172 GeV

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Search for charged Higgs bosons using the OPAL detector at LEP

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Search for charged excited leptons in e+e− collisions at s=183–209 GeV

Search for charged scalar leptons using the OPAL detector at GeV

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Search for chargino and neutralino production in e+e− collisions at

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Search for chargino and neutralino production using the OPAL detector at GeV at LEP

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Search for doubly charged Higgs bosons with the OPAL detector at LEP

scholarly article by Giovanni Abbiendi et al published February 2002 in Physics Letters B

Search for excited leptons at LEP

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Search for excited leptons in e+e− collisions at

Search for excited leptons in e+e− collisions at

Search for free gluons in hadronic Z0 decays

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Search for heavy charged particles and for particles with anomalous charge in e+e− collisions at LEP

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Search for invisibly decaying Higgs bosons in e + e − → Z 0 h 0 production at s = 183 – 209 GeV

scholarly article by Giovanni Abbiendi et al published January 2010 in Physics Letters B

Search for invisibly decaying Higgs bosons with large decay width using the OPAL detector at LEP

scholarly article by Giovanni Abbiendi et al published 6 December 2006 in European Physical Journal C

Search for lepton flavour violation in e+e− collisions at s=189–209 GeV

Search for leptoquarks in electron–photon scattering at see up to 209 GeV at LEP

Search for massive, unstable photinos that violate R parity

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Search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model

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Search for new physics in rare B decays

Search for pair produced stable singly charged heavy particles in Z0 decays

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Search for radions at LEP2

Search for rare hadronic B decays

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Search for scalar top and scalar bottom quarks at = 189 GeV at LEP

Search for scalar top and scalar bottom quarks at LEP

Search for scalar top and scalar bottom quarks using the OPAL detector at LEP

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Search for single top quark production at LEP2

Search for stable and long-lived massive charged particles in e+e− collisions at GeV

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Search for stable and long-lived massive charged particles in e+e− collisions at s=130–209 GeV

Search for the Bc meson in hadronic Z0 decays

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Search for the Standard Model Higgs boson in e+e− collisions at

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Search for the Standard Model Higgs boson in e+e− collisions at –209 GeV

scholarly article by Giovanni Abbiendi et al published February 2001 in Physics Letters B

Search for the minimal standard model Higgs boson

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Search for the minimal standard model Higgs boson in e+e− collisions at LEP

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Search for the single production of doubly-charged Higgs bosons and constraints on their couplings from Bhabha scattering

scholarly article by Giovanni Abbiendi et al published December 2003 in Physics Letters B

Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV

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Search for unstable neutral and charged heavy leptons in e+e− collisions at

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Search for unstable neutral and charged heavy leptons in e+e− collisions at and 136 GeV

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Searches for neutral Higgs bosons ine + e − collisions at LEP

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Searches for prompt light gravitino signatures in e+e− collisions at GeV

Spin alignment of leading K∗(892)0 mesons in hadronic Z0 decays

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Studies of charged particle multiplicity inb quark events

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Studies of strong and electroweak interactions using final state photon emission in hadronicZ 0 decays

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Test of CP-invariance in e+e−→Z0→τ+τ− and a limit on the weak dipole moment of the τ lepton

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Test of QCD analytic predictions for the multiplicity ratio between gluon and quark jets

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Test of non-commutative QED in the process e+e−→γγ at LEP

Test of the exponential decay law at short decay times using tau leptons

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Test of the four-fermion contact interaction in e+e− collisions at 130–140 GeV

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The OPAL jet chamber

The OPAL jet chamber full scale prototype

article published in 1986

The forward-backward asymmetry of $$e^ + e^ - \to b\bar b and e^ + e^ - \to c\bar c$$ using leptons in hadronicZ 0 decays

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The production of neutral kaons in Z0 decays and their Bose-Einstein correlations

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Topological search for the production of neutralinos and scalar particles

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Updated measurement of the τ lifetime

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Upper limit on theν τ mass fromτ → 3hν τ decays

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W boson polarisation at LEP2

W+W− production cross section and W branching fractions in e+e− collisions at 189 GeV

Z boson pair production in e+e− collisions at and 189 GeV

Δ++ production in hadronic Z0 decays

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Σ−-antihyperon correlations in Z0 decay and investigation of the baryon production mechanism