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Open AccessJournal ArticleDOI

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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Measurement of the production cross section of jets in association with a Z boson in pp collisions at √s = 7 TeV with the ATLAS detector

Georges Aad, +2943 more
TL;DR: In this article, the authors measured the production of jets of particles in association with a Z boson in pp collisions at root s = 7 TeV, using data corresponding to an integrated luminosity of 4.6 fb(-1) collected by the ATLAS experiment at the Large Hadron Collider.
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Mass effects in the Higgs-gluon coupling : boosted vs. off-shell production.

TL;DR: In this article, state-of-the-art simulations with up to two jets to next-to-leading order including top mass effects are presented, which allow us to search for deviations from the low-energy limits in boosted Higgs production.
Journal ArticleDOI

Scaling and tuning of EW and Higgs observables

TL;DR: In this article, the authors derived RG-induced bounds on a universal shift of the Higgs couplings and some anomalous triple gauge couplings by assuming no tuning at the scale of new physics, i.e. by requiring that their individual contributions to the running of other severely constrained observables, like the electroweak oblique parameters or Γ(h → γγ), do not exceed their experimental direct bounds.
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Top, Higgs, diboson and electroweak fit to the Standard Model effective field theory

TL;DR: In this article, a global analysis with SMEFT operators of dimension 6 included linearly is presented, and the constraints on the coefficients of these operators, both individually and when marginalised, in flavour-universal and top-specific scenarios, studying the interplay of these datasets and the correlations they induce in the SM EFT.
Journal ArticleDOI

Physics at the e+ e- linear collider

Gudrid Moortgat-Pick, +74 more
TL;DR: In this article, a comprehensive review of physics at an LHC in the energy range of $e+e^-$ −1/3/TeV is presented in view of recent and expected LHC results, experiments from low energy as well as astroparticle physics.
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.
Journal ArticleDOI

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).
Journal ArticleDOI

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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