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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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Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at √sNN = 2.76 TeV

Vardan Khachatryan, +2324 more
- 09 Nov 2016 - 
TL;DR: In this article, the angular distribution of summed charged-particle transverse momenta (pt) with respect to both the leading and subleading jet axes in high-pt dijet events is studied.
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Search for supersymmetry with photons in pp collisions at √s=8 TeV

Vardan Khachatryan, +2321 more
- 19 Oct 2015 - 
TL;DR: In this article, two searches for physics beyond the standard model in events containing photons are presented, and the results are interpreted in the context of general gauge-mediated supersymmetry, with the next-to-lightest supersymmetric particle either a bino- or wino-like neutralino.
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Commissioning of the CMS High-Level Trigger with Cosmic Rays

S. Chatrchyan, +2464 more
- 19 Mar 2010 - 
TL;DR: An overview of the CMS High-Level Trigger is given and its commissioning using cosmic rays is focused on, with the average time taken for the HLT selection and its dependence on detector and operating conditions presented.
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Search for a W' or Techni-ρ decaying into WZ in pp collisions at √s=7TeV

S. Chatrchyan, +2255 more
- 02 Oct 2012 - 
TL;DR: In this article, a search is performed in pp collisions at 7 TeV for exotic particles decaying via WZ to final states with electrons and muons, and upper bounds at 95% confidence level are set on the production cross section of the W' boson described by the sequential standard model.

Search for Higgs Boson Pair Production in Events with Two Bottom Quarks and Two Tau Leptons in Proton–proton Collisions at √s = 13 TeV

Albert M. Sirunyan, +2213 more
TL;DR: Doser et al. as mentioned in this paper presented a survey of the state of the art in the field of cyber-physical cyber-warrior networks and proposed a method to improve it.