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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

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Oscillons after Inflation

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A Reverse Shock in GRB 130427A

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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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White dwarfs and revelations

TL;DR: In this paper, the authors use the most complete and independent measurements of masses and radii of white dwarfs in binaries to bound the class of non-trivial modified gravity theories, viable after GW170817/GRB1708 17, using its effect on the mass-radius relation of the stars.
Journal ArticleDOI

On the Inflationary Perturbations of Massive Higher-Spin Fields

TL;DR: In this paper, it was shown that one can obtain statistical correlators of massive higher-spin fields which remain constant or decay very slowly outside the Hubble radius, which opens up the possibility of new observational signatures from inflation.
Journal ArticleDOI

From Wires to Cosmology

TL;DR: In this paper, the authors provide a statistical framework for characterizing stochastic particle production in the early universe via a precise correspondence to current conduction in wires with impurities, particularly useful when the microphysics is uncertain and the dynamics are complex, but only coarse-grained information is of interest.
Journal ArticleDOI

Better Higgs boson measurements through information geometry

TL;DR: In this paper, the Fisher information for Higgs production in weak boson fusion with decays into tau pairs and four leptons was calculated and a single top quark was considered.
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