Sommerfeld-corrected relic abundance of wino dark matter with NLO electroweak potentials

2020/09/01 by Martin Beneke, Robert Szafron, K. Urban +1
Physics and Astronomy · #Abundance (ecology) #Annihilation #Biology #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Dark matter #Electroweak interaction #Minimal Supersymmetric Standard Model #Order (exchange) #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum electrodynamics #Supersymmetry #hep-ph

paper · pdf · doi:10.1007/jhep02(2021)020

48 pages, LaTeX

arxiv created 2020/09/01 · openalex publication_date 2021/02/01 · arxiv updated 2021/02/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

A bstract Extending previous work, we calculate the electroweak potentials for all co-annihilation channels of wino dark matter at the one-loop order and obtain the wino relic abundance including the Sommerfeld effect at the next-to-leading order (NLO).

Citations

• Standard Model thermodynamics across the electroweak crossover
• New results on heavy quarks near threshold
• Electroweak two-loop contribution to the mass splitting within a new heavy SU(2)L fermion multiplet
• Potential NRQCD: an effective theory for heavy quarkonium
• Long-Range Forces from Neutrino-Pair Exchange
• Explosive Dark Matter Annihilation
• Asymptotic expansion of Feynman integrals near threshold
• Nonperturbative effect on dark matter annihilation and gamma ray signature from the galactic center
• A theory of dark matter
• Hunting for heavy winos in the Galactic Center