568 citations · 3.6k across the 107 of their papers we have counts for
83 papers · 1 filter
Measurement of the branching fraction of the decay at Belle II
Belle II Collaboration, I. Adachi, L. Aggarwal +389
We measure the branching fraction of the decay using data collected with the Belle II detector. The data contain 387 million pairs produced i…
Measurements of the top quark mass with the ATLAS detector
Richard Nisius
The measurements of the top quark mass given are obtained from ATLAS data taken at proton--proton centre-of-mass energies of and TeV. An extraction of the top quar…
QCD results from the LHC
Richard Nisius
A selection of results from the 2010 data taking period of the ATLAS and CMS experiments at the LHC at a proton-proton centre-of-mass energy of 7 TeV is presented. These results co…
QCD coherence and correlations of particles with restricted momenta in hadronic Z decays
The OPAL collaboration, G. Abbiendi
QCD coherence effects are studied based on measurements of correlations of particles with either restricted transverse momenta, pT<pTcut, where pT is defined with respect to the th…
Measurement of event shape distributions and moments in e+e- -> hadrons at 91-209 GeV and a determination of alpha_s
The OPAL Collaboration, G. Abbiendi
We have studied hadronic events from e+e- annihilation data at centre-of-mass energies from 91 to 209 GeV. We present distributions of event shape observables and their moments at…
Search for Stable and Long-Lived Massive Charged Particles in e+e- Collisions at sqrt(s) = 183-209 GeV
The OPAL collaboration
A search for stable and long-lived massive particles of electric charge |Q/e|=1 or fractional charges of 2/3, 4/3, and 5/3 is reported using data collected by the OPAL detector at…
Test of non-commutative QED in the process e+e- -> gamma gamma at LEP
The OPAL collaboration
Non-commutative QED would lead to deviations from the Standard Model depending on a new energy scale Lambda_NC and a unique direction in space defined by two angles eta and xi. Her…
Measurement of Neutral-Current Four-Fermion Production at LEP2
The OPAL collaboration
Four-fermion final states qqbar e+e- and qqbar mu+mu- from neutral-current interactions in e+e- collisions are studied in the OPAL detector at LEP at centre-of-mass energies from 1…
Measurement of the Cross-Section for the Process GammaGamma -> Ppbar at sqrt(s)_ee=183-189 GeV at LEP
The OPAL collaboration, G. Abbiendi
The exclusive production of proton-antiproton pairs in the collisions of two quasi-real photons had been studied using data taken at sqrt(s)_ee=183 GeV and 189 GeV with the OPAL de…
Search for Scalar Top and Scalar Bottom Quarks at LEP
The OPAL collaboration, G. Abbiendi
Searches for a scalar top quark and a scalar bottom quark have been performed using a data sample of 438 pb-1 at centre-of-mass energies of sqrt(s) = 192 - 209 GeV collected with t…
Search for Associated Production of Massive States Decaying into Two Photonsin e+e- Annihilations at sqrt(s) = 88-209 GeV
The OPAL collaboration, G. Abbiendi
A search is performed for production of short-lived particles in e+e- -> XY, with X -> gamma gamma and Y -> ffbar, for scalar X and scalar or vector Y. Model-independent limits in…
Search for Charged Excited Leptons in e+e- Collisions at sqrt(s) = 183-209 GeV
The OPAL collaboration
A search for charged excited leptons decaying into a lepton and photon has been performed using approximately 680 pb-1 of e+e- collision data collected by the OPAL detector at LEP…
Decay-mode independent searches for new scalar bosons with the OPAL detector at LEP
The OPAL collaboration, G. Abbiendi
This paper describes topological searches for neutral scalar bosons S0 produced in association with a Z0 boson via the Bjorken process e+e- -> S0Z0 at centre-of-mass energies of 91…
Measurement of the Charm structure Function F2c of the Photon at LEP
The OPAL collaboration, G. Abbiendi
The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at normal e+e- centre-of-mass energies from 1…
Measurement of the Hadronic Photon Structure Function F2gamma at LEP2
The OPAL collaboration, G. Abbiendi
The hadronic structure of the photon F2gamma is measured as a function of Bjorken x and of the photon virtuality Q2 using deep-inelastic scattering data taken by the OPAL detector…
Search for Leptoquarks in Electron-Photon Scattering at sqrt(s_ee) up to 209 GeV at LEP
The OPAL collaboration, G. Abbiendi
Searches for first generation scalar and vector leptoquarks, and for squarks in R-parity violating SUSY models with the direct decay of the squark into Standard Model particles, ha…
Search for Doubly Charged Higgs Bosons with the OPAL detector at LEP
The OPAL collaboration, G. Abbiendi
A search for pair-produced doubly charged Higgs bosons has been performed using data samples corresponding to an integrated luminosity of about 614 pb-1 collected with the OPAL det…
Summary of the structure function session at PHOTON 2001
Richard Nisius
The status of and ongoing developments in the measurements and theoretical studies of the structure of the photon have been presented at the PHOTON 2001 conference in Ascona. The r…
Genuine Correlations of Like-Sign Particles in Hadronic Z0 Decays
The OPAL collaboration, G. Abbiendi
Correlations among hadrons with the same electric charge produced in Z0 decays are studied using the high statistics data collected from 1991 through 1995 with the OPAL detector at…
Search for Single Top Quark Production at LEP2
The OPAL collaboration, G. Abbiendi
A search for single top quark production via flavour changing neutral currents (FCNC) was performed with data collected by the OPAL detector at the e+e- collider LEP. Approximately…
Search for Lepton Flavour Violation in e+e- Collisions at sqrt(s) = 189 - 209 GeV
The OPAL collaboration, G. Abbiendi
We search for lepton flavour violating events (e mu, e tau and mu tau) that could be directly produced in e+e- annihilations, using the full available data sample collected with th…
Measurement of the Branching Ratio for the Process b -> tau nu X
The OPAL collaboration, G. Abbiendi
The inclusive branching ratio for the process b -> tau nu X has been measured using hadronic Z decays collected by the OPAL experiment at LEP in the years 1992-2000. The result is:…
Angular Analysis of the Muon Pair Asymmetry at LEP 1
The OPAL collaboration, G. Abbiendi
Data on muon pair production obtained by the OPAL collaboration at centre of mass energies near the Z peak are analysed. Small angular mismatches between the directions of the two…
Measurement of Vub using b hadron semileptonic decays
The OPAL collaboration, G. Abbiendi
The magnitude of the CKM matrix element Vub is determined by measuring the inclusive charmless semileptonic branching fraction of beauty hadrons at OPAL based on b -> Xu l nu event…