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I. M. Gregor

Researcher at CERN

Publications -  786
Citations -  53975

I. M. Gregor is an academic researcher from CERN. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 103, co-authored 659 publications receiving 49176 citations.

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Measurement of beauty production in DIS and F-2(b(b)over-bar) extraction at ZEUS

H. Abramowicz, +312 more
- 02 Sep 2010 - 
TL;DR: In this article, the fraction of events with beauty quarks in the data was determined using the distribution of the transverse momentum of the muon relative to the jet, and the cross section for beauty production was measured in the kinematic range of photon virtuality, Q2>2 GeV2, and inelasticity, with the requirement of a muon and a jet.
Journal ArticleDOI

Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb−1 of pp collision data at $$ \sqrt{s} $$ = 13 TeV

Georges Aad, +2843 more
- 01 Mar 2022 - 
TL;DR: In this paper , a search for new spin-0 or spin-1 bosons using events where a Higgs boson with mass 125 GeV decays into four leptons ( ℓ = e , μ ).
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Measurement of the dependence of transverse energy production at large pseudorapidity on the hard-scattering kinematics of proton–proton collisions at √s=2.76 TeV with ATLAS

Georges Aad, +2850 more
- 10 May 2016 - 
TL;DR: In this paper, the relationship between jet production in the central region and underlying event activity in a pseudorapidity-separated region is studied in 4.0 pb(-1) of root s = 2.76 TeV pp collision data.
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Measurement of hadronic event shapes in high-p T multijet final states at √{s } = 13 TeV with the ATLAS detector

Georges Aad, +3002 more
- 01 Jan 2021 - 
TL;DR: In this paper, a measurement of event-shape variables in proton-proton collisions at large momentum transfer is presented using data collected at s = 13 TeV with the ATLAS detector at the Large Hadron Collider.
Journal ArticleDOI

Search for dark matter produced in association with a single top quark in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector

Georges Aad, +2983 more
- 01 Oct 2021 - 
TL;DR: In this article, a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, $a$, which decays into the dark-matter particles is presented.