A. Wagner

ORCID: 0000-0001-9846-5516
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About
Contact & Profiles
Research Areas
  • Particle physics theoretical and experimental studies
  • Quantum Chromodynamics and Particle Interactions
  • High-Energy Particle Collisions Research
  • Dark Matter and Cosmic Phenomena
  • Particle Detector Development and Performance
  • Neutrino Physics Research
  • Computational Physics and Python Applications
  • Atomic and Subatomic Physics Research
  • Libraries and Information Services
  • Cosmology and Gravitation Theories
  • Black Holes and Theoretical Physics
  • Radiation Detection and Scintillator Technologies
  • Medical Imaging Techniques and Applications
  • Particle Accelerators and Free-Electron Lasers
  • Research Data Management Practices
  • Library Science and Information Systems
  • Scientific Computing and Data Management
  • Semantic Web and Ontologies
  • Astrophysics and Cosmic Phenomena
  • European history and politics
  • Laser-Plasma Interactions and Diagnostics
  • Digitalization, Law, and Regulation
  • Superconducting Materials and Applications
  • Pain Management and Opioid Use
  • German Literature and Culture Studies

Medizinische Hochschule Hannover
2024

European Organization for Nuclear Research
1975-2022

Heidelberg University
1986-2021

Diakonissenkrankenhaus
2021

Deutsches Elektronen-Synchrotron DESY
2017-2018

Universität Hamburg
1992-2015

Universitätsklinikum Gießen und Marburg
2015

SLAC National Accelerator Laboratory
2007-2013

Forschungszentrum Jülich
2013

Stanford University
2007-2012

The energy dependence of the relative production rate three-jet events is studied in hadronic e+e− annihilation at center mass energies between 22 and 46.7 GeV. Three-jet are defined by a jet finding algorithm which closely related to definition resolvable jets used O(αs2) perturbative QCD calculations, where roughly proportional size strong coupling strength. rates data decrease significantly with increasing centre energy. experimental rates, independent fragmentation model can be directly...

10.1016/0370-2693(88)91032-5 article EN cc-by-nc-nd Physics Letters B 1988-10-01

Previously published and as yet unpublished QCD results obtained with the ALEPH detector at LEP1 are presented. The unprecedented statistics allows detailed studies of both perturbative non-perturbative aspects strong interactions to be carried out using hadronic Z tau decays. presented include precise determinations coupling constant, tests its flavour independence, SU(3) gauge structure QCD, study coherence effects, measurements single-particle inclusive distributions two-particle...

10.1016/s0370-1573(97)00045-8 article EN cc-by-nc-nd Physics Reports 1998-02-01

10.1016/0168-9002(92)90501-t article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 1992-04-01

Two samples of exclusive semileptonic decays, 579 B0 →D∗+ℓ−νℓ events and 261 → D+ℓ−νℓ events, are selected from approximately 3.9 million hadronic Z decays collected by the ALEPH detector at LEP. From reconstructed differential decay rate each sample, product form factor F(ω) zero recoil D(∗)+ meson CKM matrix element |Vcb| measured to be FD∗+(1)|Vcb| = (31.9 ± 1.8stat 1.9syst) × 10−3, FD+(1)|Vcb| (27.8 6.8stat 6.5syst) 10−3. The ratio factors FD+(1) FD∗+(1) is FD+(1)FD∗+(1) 0.87 0.22stat...

10.1016/s0370-2693(97)00071-3 article EN cc-by-nc-nd Physics Letters B 1997-03-01
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