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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

TL;DR: The first direct detection of gravitational waves and the first observation of a binary black hole merger were reported in this paper, with a false alarm rate estimated to be less than 1 event per 203,000 years, equivalent to a significance greater than 5.1σ.
Journal Article

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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Journal ArticleDOI

All-sky search for short gravitational-wave bursts in the second Advanced LIGO and Advanced Virgo run

B. P. Abbott, +1274 more
- 11 Jul 2019 - 
TL;DR: In this article, the results of a search for short-duration gravitational-wave transients in the data from the second observing run of Advanced LIGO and Advanced Virgo were presented.
Journal ArticleDOI

Generating the observed baryon asymmetry from the inflaton field

TL;DR: In this paper, the Affleck-Dine mechanism was used to generate baryogenesis by taking the inflaton to be a complex scalar field with weakly broken global symmetry.
Journal ArticleDOI

Formation, gravitational clustering, and interactions of nonrelativistic solitons in an expanding universe

Mustafa A. Amin, +1 more
- 04 Mar 2019 - 
TL;DR: In this article, the formation, gravitational clustering and interactions of solitons in a self-interacting, non-relativistic scalar field in an expanding universe are investigated.
Proceedings Article

Benchmarking Simulation-Based Inference

TL;DR: This work provides a benchmark with inference tasks and suitable performance metrics for ‘likelihood-free’ inference algorithms, with an initial selection of algorithms including recent approaches employing neural networks and classical Approximate Bayesian Computation methods.
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