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O. Ullaland

Researcher at CERN

Publications -  152
Citations -  6954

O. Ullaland is an academic researcher from CERN. The author has contributed to research in topics: Electron–positron annihilation & Lepton. The author has an hindex of 34, co-authored 152 publications receiving 6563 citations. Previous affiliations of O. Ullaland include University of Milan & Karlsruhe Institute of Technology.

Papers
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The LHCb detector at the LHC

A. A. Alves, +889 more
TL;DR: The LHCb experiment is dedicated to precision measurements of CP violation and rare decays of B hadrons at the Large Hadron Collider (LHC) at CERN (Geneva).
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The DELPHI detector at LEP.

P. Aarnio, +645 more
TL;DR: The DELPHI detector as discussed by the authors is a 4π detector with emphasis on particle identification, three-dimensional information, high granularity and precise vertex determination, which is used at the large electron positron collider (LEP) at CERN.
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Search for neutral heavy leptons produced in Z decays

P. Abreu, +587 more
TL;DR: Weak isosinglet neutral heavy leptons (m) have been searched for using data collected by the DELPHI detector corresponding to 3:3 106 hadronic Z0 decays at LEP1.
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Performance of the DELPHI detector

P. Abreu, +551 more
TL;DR: The DEtector with Lepton, Photon and Hadron Identification (DELPHI) is a detector for particle identification at the Large Electron-Positron (LEP) collider at CERN.
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Tuning and test of fragmentation models based on identified particles and precision event shape data

P. Abreu, +581 more
TL;DR: In this article, improved tunings of the JETSET, ARIADNE and HERWIG parton shower models were obtained by fitting the models to these DELPHI data as well as to identified particle distributions from all LEP experiments.