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A. Karjalainen

Researcher at Lappeenranta University of Technology

Publications -  99
Citations -  17407

A. Karjalainen is an academic researcher from Lappeenranta University of Technology. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 53, co-authored 98 publications receiving 16597 citations.

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Journal ArticleDOI

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC

S. Chatrchyan, +2863 more
- 17 Sep 2012 - 
TL;DR: In this paper, results from searches for the standard model Higgs boson in proton-proton collisions at 7 and 8 TeV in the CMS experiment at the LHC, using data samples corresponding to integrated luminosities of up to 5.8 standard deviations.
Journal ArticleDOI

Determination of jet energy calibration and transverse momentum resolution in CMS

S. Chatrchyan, +2271 more
TL;DR: In this article, the transverse momentum balance in dijet and γ/Z+jets events is used to measure the jet energy response in the CMS detector, as well as the transversal momentum resolution.
Journal ArticleDOI

Observation of long-range, near-side angular correlations in pPb collisions at the LHC

S. Chatrchyan, +2176 more
- 08 Jan 2013 - 
TL;DR: In this paper, two-particle angular correlations for charged particles emitted in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV are presented.
Journal ArticleDOI

Search for supersymmetry at the LHC in events with jets and missing transverse energy

S. Chatrchyan, +2295 more
TL;DR: In this paper, a search for events with jets and missing transverse energy is performed in a data sample of pp collisions collected at 7 TeV by the CMS experiment at the LHC.
Journal ArticleDOI

Observation of sequential Υ suppression in PbPb collisions

S. Chatrchyan, +2268 more
TL;DR: In this paper, the suppression of individual nS states in PbPb collisions with respect to their yields in pp data has been measured, and the results demonstrate the sequential suppression of the Υ(nS) states from the dimuon invariant mass spectra.