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Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC

Georges Aad, +2967 more
- 17 Sep 2012 - 
- Vol. 716, Iss: 1, pp 1-29
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TLDR
In this article, a search for the Standard Model Higgs boson in proton-proton collisions with the ATLAS detector at the LHC is presented, which has a significance of 5.9 standard deviations, corresponding to a background fluctuation probability of 1.7×10−9.
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This article is published in Physics Letters B.The article was published on 2012-09-17 and is currently open access. It has received 9282 citations till now. The article focuses on the topics: Search for the Higgs boson & Composite Higgs models.

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Electroweak baryogenesis and dark matter from a singlet Higgs

TL;DR: In this paper, it was shown that electroweak baryogenesis can be achieved using CP violation from a dimension-6 operator that couples S to the top-quark mass, suppressed by a new physics scale that can be well above 1 TeV.
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Higgs at last

TL;DR: In this paper, the experimental constraints on the parameters of the Higgs effective Lagrangian were updated with the most recent LHC Higgs data in all available search channels with electroweak precision observables.
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On the Tuning and the Mass of the Composite Higgs

TL;DR: In this paper, the tuning of composite Higgs models with partial compositeness and its interplay with the predicted Higgs mass was analyzed quantitatively and three classes of models, characterized by different quantum numbers of the fermionic colored resonances associated with the top quark, the so-called top partners were identified.
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Precision Measurements of Higgs Couplings: Implications for New Physics Scales

TL;DR: In this paper, the measured properties of the recently discovered Higgs boson are in good agreement with predictions from the Standard Model, however, small deviations in the Higgs couplings may manifest themselves once the currently large uncertainties will be improved as part of the LHC program and at a future Higgs factory.
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Fully covering the MSSM Higgs sector at the LHC

TL;DR: In this article, the search for the heavier CP-even H and CP-odd A neutral Higgs bosons at the LHC in their production in the gluon-fusion mechanism and their decays into gauge and lighter h bosons and into top quark pairs.
References
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Journal ArticleDOI

Geant4—a simulation toolkit

S. Agostinelli, +126 more
TL;DR: The Gelfant 4 toolkit as discussed by the authors is a toolkit for simulating the passage of particles through matter, including a complete range of functionality including tracking, geometry, physics models and hits.
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PYTHIA 6.4 Physics and Manual

TL;DR: The Pythia program as mentioned in this paper can be used to generate high-energy-physics ''events'' (i.e. sets of outgoing particles produced in the interactions between two incoming particles).
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The anti-$k_t$ jet clustering algorithm

TL;DR: The anti-k-t algorithm as mentioned in this paper behaves like an idealised cone algorithm, in that jets with only soft fragmentation are conical, active and passive areas are equal, the area anomalous dimensions are zero, the non-global logarithms are those of a rigid boundary and the Milan factor is universal.
Journal ArticleDOI

A Brief Introduction to PYTHIA 8.1

TL;DR: PYTHIA 8 represents a complete rewrite in C++, and does not yet in every respect replace the old code, but does contain some new physics aspects that should make it an attractive option especially for LHC physics studies.
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Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC

S. Chatrchyan, +2863 more
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