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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.

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Measurements of tt¯differential cross sections in proton-proton collisions at √s=13 TeV using events containing two leptons

Albert M. Sirunyan, +2360 more
- 22 Feb 2019 - 
TL;DR: In this article, measurements of differential top quark pair cross sections using events produced in proton-proton collisions at a centre-of-mass energy of 13 TeV containing two oppositely charged leptons are presented.
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Search for Leptoquarks Coupled to Third-Generation Quarks in Proton-Proton Collisions at s =13 TeV

Albert M. Sirunyan, +2299 more
- 12 Dec 2018 - 
TL;DR: A novel search for pair production of LQs coupled to a top quark and a muon using data at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb^{-1}, recorded by the CMS experiment.
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Measurement of differential and integrated fiducial cross sections for Higgs boson production in the four-lepton decay channel in pp collisions at √s=7 and 8 TeV

Vardan Khachatryan, +2308 more
- 01 Apr 2016 - 
TL;DR: Differential and integrated cross sections for the production of four leptons via the H to 4l decays (l = e, mu) are measured in pp collisions at 7 and 8 TeV.
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Measurement of the double-differential inclusive jet cross section in proton–proton collisions at √s = 13 TeV

Vardan Khachatryan, +2235 more
- 11 Aug 2016 - 
TL;DR: In this paper, a measurement of the double-differential inclusive jet cross section as a function of jet transverse momentum and absolute jet rapidity is presented, based on proton-proton collisions collected by the CMS experiment at the LHC at a center-of-mass energy of 13 and 44 degrees, respectively.
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Search for pair-produced dijet resonances in four-jet final states in pp collisions at √s=7 TeV

S. Chatrchyan, +2190 more
- 04 Apr 2013 - 
TL;DR: A search for the pair production of a heavy, narrow resonance decaying into two jets has been performed using events collected in sqrt[s] = 7 TeV pp collisions with the CMS detector at the LHC.