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L. Köpke

Researcher at University of Mainz

Publications -  955
Citations -  86932

L. Köpke is an academic researcher from University of Mainz. The author has contributed to research in topics: Large Hadron Collider & Neutrino. The author has an hindex of 136, co-authored 950 publications receiving 81787 citations. Previous affiliations of L. Köpke include West University of Timișoara & University of Oregon.

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Search for a new resonance decaying to a W or Z boson and a Higgs boson in the ℓℓ/ℓν/νν+bb final states with the ATLAS detector

Georges Aad, +2816 more
TL;DR: In this article, a search for a new resonance decaying to a W or Z boson and a Higgs boson in the ll/lv/vv + b (b) over bar final states is performed using 20.3 fb(-1) of collision data recorded at root s = 8 Te...
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A study of differences between quark and gluon jets using vertex tagging of quark jets

P. D. Acton, +326 more
TL;DR: In this paper, the authors used reconstructed secondary vertices from heavy quark decay in conjunction with energy ordering of the jets to anti-tag the gluon jets and found that the mean particle multiplicity is larger for gluons than for quark jets.
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Cosmic ray spectrum and composition from PeV to EeV using 3 years of data from IceTop and IceCube

M. G. Aartsen, +344 more
- 23 Oct 2019 - 
TL;DR: In this paper, the authors report on measurements of the all-particle cosmic ray energy spectrum and composition in the PeV to EeV energy range using 3 years of data from the IceCube Neutrino Observatory.
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Observation of direct processes in photoproduction at HERA

M. Derrick, +455 more
- 17 Feb 1994 - 
TL;DR: In this paper, a di-jet sample of the ZEUS detector for photoproduction events was used to study resolved photon interactions and cross sections for the resolved and direct processes were given in a restricted kinematic range.
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Measurement of the $Z^0$ line shape parameters and the electroweak couplings of charged leptons

Gideon Alexander, +317 more
TL;DR: In this article, an improved measurement of the mass of the Z0 boson, its total width and its partial decay widths into hadrons and leptons, as well as the effective axial vector and vector couplings to charge lepton was presented.