Search for high-mass diphoton resonances in proton-proton collisions at 13 TeV and combination with 8 TeV search

doi:10.1016/J.PHYSLETB.2017.01.027

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This article is published in Physics Letters B.The article was published on 2017-04-10 and is currently open access. It has received 119 citations till now.

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TL;DR: Searches for new phenomena in high-mass diphoton final states with the ATLAS experiment at the LHC are presented in this article.The analysis is based on pp collision data corresponding to an integrated luminosit...

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TL;DR: In this paper, the authors proposed a framework in which the QCD axion has an exponentially large coupling to photons, relying on the clockwork mechanism, and discussed the impact of present and future axion experiments on the parameter space of the model.

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TL;DR: In this article, a new axion-like mechanism was proposed to solve the strong CP problem using axions, each dynamically relaxing part of the $bar\theta$ parameter.

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TL;DR: In this article, the electroweak phase transition within a 5D warped model including a scalar potential with an exponential behavior, and strong back-reaction over the metric, in the infrared was studied.

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TL;DR: In this paper, the diphoton and dilepton invariant mass spectra in Fourier space were analyzed to identify an approximately periodic structure of resonant peaks at the LHC, including displaced decays from resonantly produced long-lived states and high-multiplicity final states from cascade decays of excited gravitons.

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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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TL;DR: In this paper, the weak scale is generated from the Planck scale through an exponential hierarchy, but this exponential arises not from gauge interactions but from the background metric, which is a slice of spacetime.

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TL;DR: In this paper, a single 3-brane embedded in five dimensions was shown to reproduce four-dimensional Newtonian and general relativistic gravity to more than adequate precision, even without a gap in the Kaluza-Klein spectrum.

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TL;DR: MadGraph5 aMC@NLO as discussed by the authors is a computer program capable of handling all these computations, including parton-level fixed order, shower-matched, merged, in a unified framework whose defining features are flexibility, high level of parallelisation and human intervention limited to input physics quantities.

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Search for high-mass diphoton resonances in proton-proton collisions at 13 TeV and combination with 8 TeV search

Citations

Search for new phenomena in high-mass diphoton final states using 37 fb-1 of proton-proton collisions collected at √s = 13 TeV with the ATLAS detector

The photo-philic QCD axion

Factoring the Strong CP Problem

Cosmological phase transitions in warped space: gravitational waves and collider signatures

Clockwork/linear dilaton: structure and phenomenology

References

Geant4—a simulation toolkit

Large Mass Hierarchy from a Small Extra Dimension

An Alternative to compactification

Geant4 - A Simulation Toolkit

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations

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