DRAKE: Dark matter Relic Abundance beyond Kinetic Equilibrium.
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In this article, the authors introduce a numerical precision tool for predicting the dark matter relic abundance also in situations where the standard assumption of kinetic equilibrium during the freeze-out process may not be satisfied.Abstract:
We introduce DRAKE, a numerical precision tool for predicting the dark matter relic abundance also in situations where the standard assumption of kinetic equilibrium during the freeze-out process may not be satisfied. DRAKE comes with a set of three dedicated Boltzmann equation solvers that implement, respectively, the traditionally adopted equation for the dark matter number density, fluid-like equations that couple the evolution of number density and velocity dispersion, and a full numerical evolution of the phase-space distribution. We review the general motivation for these approaches and, for illustration, highlight three concrete classes of models where kinetic and chemical decoupling are intertwined in a way that quantitatively impacts the relic density: i) dark matter annihilation via a narrow resonance, ii) Sommerfeld-enhanced annihilation and iii) `forbidden' annihilation to final states that are kinematically inaccessible at threshold. We discuss all these cases in some detail, demonstrating that the commonly adopted, traditional treatment can result in an estimate of the relic density that is wrong by up to an order of magnitude. The public release of DRAKE, along with several examples of how to calculate the relic density in concrete models, is provided at this http URLread more
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EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
R. Alves Batista,Amin,G. Barenboim,Nicola Bartolo,Daniel Baumann,A. Bauswein,Emilio Bellini,D. Benisty,Gianfranco Bertone,P. Blasi,C.G. Böhmer,Ž Bošnjak,T. Bringmann,Clare Burrage,M. Bustamante,J. Calderón Bustillo,C.T. Byrnes,F. Calore,R. Catena,D.G. Cerdeño,S.S. Cerri,Marco Chianese,Katy Clough,Alex Cole,P. Coloma,Adam Coogan,L. Covi,D. Cutting,A.C. Davis,C. De Rham,A. Di Matteo,G. Domènech,M. Drewes,T. Dietrich,T.D.P. Edwards,I. Esteban,R. Erdem,C. Evoli,Matteo Fasiello,S.M. Feeney,R.Z. Ferreira,A. Fialkov,N. Fornengo,S. Gabici,T. Galatyuk,Daniele Gaggero,D. Grasso,C. Guépin,J. Harz,M. Herrero-Valea,T. Hinderer,N.B. Hogg,D.C. Hooper,D. Iocco,J. Isern,Konstantin Karchev,Bradley J. Kavanagh,M. Korsmeier,K. Kotera,Kazuya Koyama,B. Krishnan,Julien Lesgourgues,J. Levi Said,Lucas Lombriser,C.S. Lorenz,S. Manconi,M. Mapelli,A. Marcowith,S.B. Markoff,D.J. Marsh,M. Martinelli,C.J.A.P. Martinsolami,P. Millington,P. Moesta,K. Nippel,V. Niro,E. O'Connor,F. Oikonomou,C.F. Paganini,G. Pagliaroli,Paolo Pani,C. Pfrommer,Silvia Pascoli,L. Pinol,L. Pizzuti,R.A. Porto,A. Pound,F. Quevedo,G.G. Raffelt,Alvise Raccanelli,E. Ramirez-Ruiz,M. Raveri,S. Renaux-Petel,Angelo Ricciardone,A. Rida Khalifeh,Antonio Riotto,R. Roiban,J. Rubio,M. Sahlén,Nashwan Sabti,L. Sagunski,N. Šarčević,K. Schmitz,Pedro Schwaller,T. Schwetz,A. Sedrakian,E. Sellentin,A. Serenelli,P.D. Serpico,E.I. Sfakianakis,S. Shalgar,A. Silvestri,I. Tamborra,Konstantinos Tanidis,D. Teresi,A.A. Tokareva,L. Tolos,S. Trojanowski,R. Trotta,C. Uhlemann,F.R. Urban,Filippo Vernizzi,A. van Vliet,F.L. Villante,A. Vincent,J. Vink,E. Vitagliano,Christophe Weniger,A. Wickenbrock,W. Winter,S. Zell,M. Zeng +131 more
TL;DR: 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.
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Dark matter from a complex scalar singlet: the role of dark CP and other discrete symmetries
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References
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Daniel Boyanovsky,Jun Wu +1 more
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Precise WIMP Dark Matter Abundance and Standard Model Thermodynamics
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