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M. Lehmacher

Researcher at University of Bonn

Publications -  344
Citations -  42866

M. Lehmacher is an academic researcher from University of Bonn. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 97, co-authored 344 publications receiving 41397 citations. Previous affiliations of M. Lehmacher include West University of Timișoara & Politehnica University of Bucharest.

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A search for prompt lepton-jets in pp collisions at root s=7 TeV with the ATLAS detector

Georges Aad, +2872 more
- 26 Feb 2013 - 
TL;DR: In this paper, the authors presented a search for a light (mass < 2 GeV) boson predicted by Hidden Valley supersymmetric models that decays into a final state consisting of collimated muons or electrons, denoted "lepton-jets".
Journal ArticleDOI

Search for pair production of first or second generation leptoquarks in proton-proton collisions at root s=7 TeV using the ATLAS detector at the LHC

Georges Aad, +3172 more
- 15 Jun 2011 - 
TL;DR: In this article, the authors describe searches for the pair production of first or second generation scalar leptoquarks using 35 pb(-1) of proton-proton collision data recorded by the ATLAS detector at root s = 7 TeV.
Journal ArticleDOI

Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at root S-NN=2.76 TeV with the ATLAS detector

Georges Aad, +2846 more
- 13 Aug 2014 - 
TL;DR: In this article, the upsilon(2) was measured in the pseudorapidity range |eta| ≤ 2.5 with the event plane method. But the up-silon 2 transformed to the rest frame of one of the colliding nuclei is compared to the lower-energy RHIC data.

Measurements of jet vetoes and azimuthal decorrelations in dijet events produced in pp collisions at √s = 7 TeV using the ATLAS detector

Georges Aad, +2869 more
TL;DR: In this article, additional jet activity in dijet events is measured using pp collisions at ATLAS at a centre-of-mass energy of 7 TeV, for jets reconstructed using the anti-kt algorithm with radius parameter R = 0.6.
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Measurement of τ polarization in W→τν decays with the ATLAS detector in pp collisions at s√=7 TeV

Georges Aad, +3029 more
- 03 Jul 2012 - 
TL;DR: In this paper, a measurement of tau polarization in W->taunu decays is presented, measured from the energies of the decay products in hadronic tau decays with a single final state charged particle.