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Andreas Pfeiffer

Researcher at CERN

Publications -  1920
Citations -  147114

Andreas Pfeiffer is an academic researcher from CERN. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 149, co-authored 1756 publications receiving 131080 citations. Previous affiliations of Andreas Pfeiffer include Heidelberg University & Paul Scherrer Institute.

Papers
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Measurement of the pp→ZZ production cross section and constraints on anomalous triple gauge couplings in four-lepton final states at s=8 TeV

Vardan Khachatryan, +2191 more
TL;DR: A measurement of the inclusive ZZ production cross section and constraints on anomalous triple gauge couplings in proton-proton collisions at root s = 8 TeV is presented in this paper.
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Measurement of the ratio of inclusive jet cross sections using the anti-kt algorithm with radius parameters R = 0.5 and 0.7 in pp collisions at sqrt(s) = 7 TeV

S. Chatrchyan, +2195 more
- 16 Oct 2014 - 
TL;DR: In this article, the anti-k-T clustering algorithm was used to measure the cross section of the LHC proton-proton collisions at √s = 7 TeV corresponding to an integrated luminosity of 5.0
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Search for disappearing tracks in proton-proton collisions at s=13TeV

Albert M. Sirunyan, +2364 more
- 10 Jul 2020 - 
TL;DR: In this paper, a search for long-lived charged particles that decay within the volume of the silicon tracker of the LHC experiment is presented for events with this "disappearing track" signature.
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Search for new physics in same-sign dilepton events in proton-proton collisions at √{s} = 13 {TeV}

Vardan Khachatryan, +2236 more
- 05 Aug 2016 - 
TL;DR: In this paper, a search for new physics is performed using events with two isolated same-sign leptons, two or more jets, and missing transverse momentum, where the analysis is sensitive to a wide variety of possible signals beyond the standard model background expectation.
Journal ArticleDOI

Measurement of differential cross sections for Higgs boson production in the diphoton decay channel in pp collisions at √s = 8 TeV

Vardan Khachatryan, +2336 more
- 11 Jan 2016 - 
Abstract: A measurement is presented of differential cross sections for the Higgs boson (H) production in pp collisions at sqrt(s)=8 TeV. The analysis exploits the H to gamma gamma decay in data corresponding to an integrated luminosity of 19.7 inverse femtobarns collected by the CMS experiment at the LHC. The cross section is measured as a function of the kinematic properties of the diphoton system and of the associated jets. Results corrected for detector effects are compared with predictions at next-to-leading order and next-to-next-to-leading order in perturbative quantum chromodynamics, as well as with predictions beyond the standard model. For isolated photons with pseudorapidities abs(eta) 1/3 and >1/4, the total fiducial cross section is 32 +/- 10 fb.