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Achim Geiser

Researcher at University of Hamburg

Publications -  1474
Citations -  93498

Achim Geiser is an academic researcher from University of Hamburg. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 129, co-authored 1331 publications receiving 84136 citations. Previous affiliations of Achim Geiser include RWTH Aachen University & Technical University of Dortmund.

Papers
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Measurement of D*± production in deep inelastic scattering at HERA

Halina Abramowicz, +310 more
- 20 May 2013 - 
TL;DR: In this paper, the production of D * ± mesons in deep inelastic ep scattering has been measured for exchanged photon virtualities using an integrated luminosity of 363 pb -1 with the ZEUS detector at HERA.
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Measurements of the differential jet cross section as a function of the jet mass in dijet events from proton-proton collisions at √s=13 TeV

Albert M. Sirunyan, +2359 more
- 16 Jul 2018 - 
TL;DR: In this article, the authors measured the differential jet cross section as a function of the jet mass in dijet events, in bins of jet transverse momentum, with and without a jet grooming algorithm.
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Search for the pair production of third-generation squarks with two-body decays to a bottom or charm quark and a neutralino in proton-proton collisions at root s=13 TeV

Albert M. Sirunyan, +2240 more
- 10 Mar 2018 - 
TL;DR: In this paper, a search for the pair production of third-generation squarks in proton-proton collision events with two-body decays to bottom or charm quarks and a neutralino, which produces a significant imbalance in the transverse momentum.
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Measurement of top quark–antiquark pair production in association with a W or Z boson in pp collisions at √s = 8 TeV

Khachatryan, +2130 more
- 17 Sep 2014 - 
TL;DR: In this article, a measurement of the cross section for the production of top quark-antiquark pairs (ttbar) in association with a vector boson V (W or Z) in proton-proton collisions at square root(s) = 8 TeV is presented.

Measurement of the W+W− cross section in pp collisions at $\sqrt{s} = 7\mbox{ TeV}$ and limits on anomalous WWγ and WWZ couplings

S. Chatrchyan, +2188 more
TL;DR: In this article, a measurement of W+W− production in pp collisions at $\sqrt{s} = 7~\mathrm{TeV}$ was presented, and the data were collected with the CMS detector at the LHC, and correspond to an integrated luminosity of 4.92±0.11−1.2 (lum.)