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EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade

R. Alves Batista, +131 more
TLDR
The European Consortium for Astroparticle Theory (EuCAPT) white paper as mentioned in this paper explores upcoming theoretical opportunities and challenges for our field of research with particular emphasis on the possible synergies among different subfields, and the prospects for solving the most fundamental open questions with multi-messenger observations.
Abstract
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the direct detection of gravitational waves with LIGO and Virgo, and many others. This white paper is the result of a collaborative effort that involved hundreds of theoretical astroparticle physicists and cosmologists, under the coordination of the European Consortium for Astroparticle Theory (EuCAPT). Addressed to the whole astroparticle physics community, it explores upcoming theoretical opportunities and challenges for our field of research, with particular emphasis on the possible synergies among different subfields, and the prospects for solving the most fundamental open questions with multi-messenger observations.

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Citations
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Journal Article

The Observation of Gravitational Waves from a Binary Black Hole Merger

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Bow-Shock Pulsar Wind Nebulae Searches Aided by the North American Nanohertz Observatory for Gravitational Waves

TL;DR: The North American Nanohertz Observatory for Gravitational Waves (NANOW) is a collaboration of researchers who are actively engaged in using North American radio telescopes to detect and study gravitational waves (GWs) via pulsar timing.

Oscillons after Inflation

TL;DR: In this article, it was shown that in a class of well-motivated single-field models, inflation is followed by self resonance, leading to copious oscillon generation and a lengthy period of oscillon domination.

A Reverse Shock in GRB 130427A

TL;DR: In this paper, the authors present extensive radio and millimeter observations of the unusually bright GRB-130427A at z = 0.340, spanning 0.67-12 days after the burst.
Posted Content

A response to O. Arandjelovic's critique of "The reproducibility of research and the misinterpretation of p-values"

TL;DR: The main criticism of my piece in this article seems to be that my calculations rely on testing a point null hypothesis, i.e. the hypothesis that the true effect size is zero.
References
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Testing the electroweak phase transition and electroweak baryogenesis at the LHC and a circular electron-positron collider

TL;DR: In this paper, the authors study the collider phenomenology of the electroweak phase transition and electroweak baryogenesis in the framework of the effective field theory and demonstrate that this effective theory can originate from vectorlike quarks and the triplet Higgs.
Journal ArticleDOI

Probing Leptogenesis

TL;DR: In this paper, the authors focus on the possible experimental tests of leptogenesis scenarios and present a way to falsify such scenarios by focusing on their washout processes, specifically for the left-right symmetric model and the observation of a heavy $W_R$, as well as model independently when measuring $\Delta L = 2$ washout process at the LHC or neutrinoless double beta decay.
Journal ArticleDOI

CosmoGAN: creating high-fidelity weak lensing convergence maps using Generative Adversarial Networks

TL;DR: In this article, the authors apply Generative Adversarial Networks to the problem of generating weak lensing convergence maps and show that their generator network produces maps that are described by, with high statistical confidence, the same summary statistics as the fully simulated maps.
Journal ArticleDOI

Quantum Break-Time of de Sitter

TL;DR: In this paper, a simple scalar model with anharmonic oscillations was considered and its quantum break-time was derived for a spin-2 field, which for some time reproduces the de Sitter metric and simultaneously allows for its well defined representation as quantum coherent state of gravitons.
Posted Content

A response to O. Arandjelovic's critique of "The reproducibility of research and the misinterpretation of p-values"

TL;DR: The main criticism of my piece in this article seems to be that my calculations rely on testing a point null hypothesis, i.e. the hypothesis that the true effect size is zero.
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