Precise yield of high-energy photons from Higgsino dark matter annihilation

Abstract

The impact of electroweak Sudakov logarithms on the endpoint of the photon spectrum for wino dark matter annihilation was studied intensively over the last several years. In this work, we extend these results to Higgsino dark matter ${\chi }_1^0$. We achieve NLL' resummation accuracy for narrow and intermediate spectral energy resolutions, of order $m_W^2/m_{\chi }$ and $m_W$, respectively. This is the most accurate prediction to date for the yield of high-energy $\gamma$-rays from ${\chi }_1^0{\chi }_1^0\to \gamma +X$ annihilation for the energy resolutions realized by current and next-generation telescopes. We also discuss for the first time the effect of power corrections in $m_W/m_{\chi }$ in this context and argue why they are not sizeable.

arXiv comment30 pages, 5 figures, v2: matches published version + typo in (C.23) fixed

References in corpus (31)

• Supersymmetric Dark Matter
• FeynRules 2.0 - A complete toolbox for tree-level phenomenology
• Automatized One-Loop Calculations in 4 and D dimensions
• Generating Feynman Diagrams and Amplitudes with FeynArts 3
• A Theory of Dark Matter
• An effective field theory for collinear and soft gluons: heavy to light decays
• Soft-Collinear Factorization in Effective Field Theory
• Minimal Dark Matter
• The Waning of the WIMP? A Review of Models, Searches, and Constraints
• Soft-collinear effective theory and heavy-to-light currents beyond leading power
• Package-X: A Mathematica package for the analytic calculation of one-loop integrals
• WIMP dark matter candidates and searches - current status and future prospects
• Non-Perturbative Effect on Dark Matter Annihilation and Gamma Ray Signature from Galactic Center
• The Well-Tempered Neutralino
• Explosive Dark Matter Annihilation
• Multipole-expanded soft-collinear effective theory with non-abelian gauge symmetry
• Minimal Dark Matter: model and results
• Soft radiation in heavy-particle pair production: all-order colour structure and two-loop anomalous dimension
• Massive Doublet Leptons
• Standard Model anatomy of WIMP dark matter direct detection II: QCD analysis and hadronic matrix elements
• Heavy Dark Matter Annihilation from Effective Field Theory
• On the Annihilation Rate of WIMPs
• Soft Collinear Effective Theory for Heavy WIMP Annihilation
• Resummed Photon Spectra for WIMP Annihilation
• Non-relativistic pair annihilation of nearly mass degenerate neutralinos and charginos II. P-wave and next-to-next-to-leading order S-wave coefficients
• Energetic $\gamma$-rays from TeV scale dark matter annihilation resummed
• The One-Loop Correction to Heavy Dark Matter Annihilation
• Resummed photon spectrum from dark matter annihilation for intermediate and narrow energy resolution
• Non-perturbative Effect and PAMELA Limit on Electro-Weak Dark Matter
• Wino potential and Sommerfeld effect at NLO
• A note on the fate of the Landau-Yang theorem in non-Abelian gauge theories

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• Prospects for Heavy WIMP Dark Matter with CTA: the Wino and Higgsino
• Les Houches Lectures on Indirect Detection of Dark Matter
• Dark Matter bound-state formation at higher order: a non-equilibrium quantum field theory approach
• Sommerfeld-corrected relic abundance of wino dark matter with NLO electroweak potentials
• Higgsino Dark Matter Confronts 14 years of Fermi Gamma Ray Data
• Toward the ultimate reach of current imaging atmospheric Cherenkov telescopes and their sensitivity to TeV dark matter
• Relic density of dark matter in the inert doublet model beyond leading order for the low mass region: 1. Renormalisation and constraints
• Dark Matter Line Searches with the Cherenkov Telescope Array
• TeV Dark Matter Searches in the Extragalactic Gamma-Ray Sky
• Electroweak resummation of neutralino dark-matter annihilation into high-energy photons
• NLO electroweak potentials for minimal dark matter and beyond
• Search for gamma-ray spectral lines from dark matter annihilation with the H.E.S.S. Inner Galaxy Survey