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Masaharu Nomachi

Researcher at Osaka University

Publications -  1102
Citations -  87059

Masaharu Nomachi is an academic researcher from Osaka University. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 129, co-authored 1097 publications receiving 81488 citations. Previous affiliations of Masaharu Nomachi include West University of Timișoara & Saitama University.

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Search for anomalous production of prompt same-sign lepton pairs and pair-produced doubly charged Higgs bosons with s =8 TeV pp collisions using the ATLAS detector

Georges Aad, +2934 more
- 09 Mar 2015 - 
TL;DR: In this article, a low-background inclusive search for new physics in events with same-sign dileptons is presented, which uses proton-proton collisions corresponding to 203 fb−1 of integrated luminosity taken in 2012 at a centre-of-mass energy of 8 TeV with the ATLAS detector at the LHC.
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Analysis of events with b-jets and a pair of leptons of the same charge in pp collisions at √s = 8 TeV with the ATLAS detector

Georges Aad, +2864 more
- 01 Oct 2015 - 
TL;DR: In this paper, an analysis of events containing jets including at least one $b$-tagged jet, sizeable missing transverse momentum, and at least two leptons including a pair of the same electric charge, with the scalar sum of the jet and lepton transverse momenta being large.
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Measurements of b-jet tagging efficiency with the ATLAS detector using tt¯ events at √s=13 TeV

Morad Aaboud, +2980 more
- 01 Aug 2018 - 
TL;DR: In this article, the efficiency of detecting b-hadrons was measured using a high purity sample of dileptonic top quark-antiquark pairs selected from the 36.1 fb$^{−1}$ of data collected by the ATLAS detector in 2015 and 2016 from proton-proton collisions produced by the Large Hadron Collider at a centre-of-mass energy of 13 $ TeV.
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Fiducial and differential cross sections of Higgs boson production measured in the four-lepton decay channel in pp collisions at √s=8 TeV with the ATLAS detector

Georges Aad, +2951 more
- 10 Nov 2014 - 
TL;DR: In this article, fiducial and differential cross-sections of Higgs boson production in the H -> ZZ* -> 4l decay channel are presented, based on 20.3 fb(-1) of pp collision data, produced at root s= 8 TeV centre-of-mass energy at the LHC and recorded by the ATLAS detector.
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Measurement of upsilon production in 7 TeV pp collisions at ATLAS

Georges Aad, +2898 more
- 04 Mar 2013 - 
TL;DR: In this article, the production cross sections of Upsilon(1S,2S,3S) mesons are reconstructed using the dimuon decay mode. And the results of the reconstruction are compared to several theoretical models of upsilon meson production, finding that none provide an accurate description of the data over the full range of Upsilicon transverse momenta accessible with this data set.