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Nikiforos Nikiforou

Researcher at Columbia University

Publications -  564
Citations -  45957

Nikiforos Nikiforou is an academic researcher from Columbia University. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 101, co-authored 449 publications receiving 43229 citations. Previous affiliations of Nikiforos Nikiforou include Universidade Federal de São João del-Rei.

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Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature in pp collisions at √s=7TeV with the ATLAS detector

Georges Aad, +2945 more
- 18 Jan 2013 - 
TL;DR: In this paper, a search for direct chargino production in anomaly-mediated supersymmetry breaking scenarios is performed in p p collisions at root s = 7 TeV using 4.7 fb(-1) of data collected with the ATLAS experiment at the LHC.
Journal ArticleDOI

Search for the Xb and other hidden-beauty states in the π+π−Υ(1S) channel at ATLAS

Georges Aad, +2879 more
- 05 Jan 2015 - 
TL;DR: In this article, the authors presented a search for a hidden-beauty counterpart of the X(3872) in the mass ranges 10.05-10.31 GeV and 10.40-11.00 GeV, in the channel Xb→π+π−Υ(1S)(→μ+μ−), using 16.2 fb−1 of s√=8 TeV pp collision data collected by the ATLAS detector at the LHC.
Journal ArticleDOI

Measurement of transverse energy-energy correlations in multi-jet events in pp collisions at s=7 TeV using the ATLAS detector and determination of the strong coupling constant as(mZ)

Georges Aad, +2929 more
- 12 Nov 2015 - 
TL;DR: In this article, high transverse momentum jets produced in pp collisions at a centre of mass energy of 7 TeV are used to measure the transverse energy-energy correlation function and its associated azimuthal asymme.
Journal ArticleDOI

Monitoring and data quality assessment of the ATLAS liquid argon calorimeter

Georges Aad, +2898 more
- 01 Jul 2014 - 
TL;DR: In this paper, an advanced data monitoring procedure was designed to quickly identify issues that would affect detector performance and ensure that only the best quality data are used for physics analysis, and the validation procedure developed during the 2011 and 2012 LHC data-taking periods, in which more than 98% of the proton-proton luminosity recorded by ATLAS at a centre-of-mass energy of 7-8 TeV had calorimeter data quality suitable for physics analyses.
Journal ArticleDOI

Measurement of the transverse polarization of Λ and Λ¯ hyperons produced in proton-proton collisions at √s=7 TeV using the ATLAS detector

Georges Aad, +2859 more
- 10 Feb 2015 - 
TL;DR: In this paper, the transverse polarization of Λ and Λ¯ hyperons produced in proton-proton collisions at a center-of-mass energy of 7 TeV is measured.