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Title: The spectrum of darkonium in the Sun

Abstract

Dark matter that gets captured in the Sun may form positronium-like bound states if it self-interacts via light dark photons. In this case, dark matter can either annihilate to dark photons or recombine in bound states which subsequently also decay to dark photons. The fraction of the dark photons that leave the Sun without decaying to Standard Model particles have a characteristic energy spectrum which is a mixture of the direct annihilation process, the decays of ortho- and para- bound states and the recombination process. The ultimate decay of these dark photons to positron-electron pairs (via kinetic mixing) outside the Sun creates a distinct signal that can either identify or set strict constraints on dark photon models.

Authors:
; ;  [1]
  1. CP"3-Origins, Centre for Cosmology and Particle Physics Phenomenology,University of Southern Denmark, Campusvej 55, Odense M, 5230 (Denmark)
Publication Date:
Sponsoring Org.:
SCOAP3, CERN, Geneva (Switzerland)
OSTI Identifier:
22572162
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Cosmology and Astroparticle Physics; Journal Volume: 2016; Journal Issue: 10; Other Information: PUBLISHER-ID: JCAP10(2016)012; OAI: oai:repo.scoap3.org:17555; cc-by Article funded by SCOAP3. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; ANNIHILATION; BOUND STATE; ELECTRONS; ENERGY SPECTRA; NONLUMINOUS MATTER; PARTICLE DECAY; PHOTONS; POSITRONIUM; POSITRONS; SOLAR PARTICLES; STANDARD MODEL; SUN

Citation Formats

Kouvaris, Chris, Langæble, Kasper, and Nielsen, Niklas Grønlund. The spectrum of darkonium in the Sun. United States: N. p., 2016. Web. doi:10.1088/1475-7516/2016/10/012.
Kouvaris, Chris, Langæble, Kasper, & Nielsen, Niklas Grønlund. The spectrum of darkonium in the Sun. United States. doi:10.1088/1475-7516/2016/10/012.
Kouvaris, Chris, Langæble, Kasper, and Nielsen, Niklas Grønlund. 2016. "The spectrum of darkonium in the Sun". United States. doi:10.1088/1475-7516/2016/10/012.
@article{osti_22572162,
title = {The spectrum of darkonium in the Sun},
author = {Kouvaris, Chris and Langæble, Kasper and Nielsen, Niklas Grønlund},
abstractNote = {Dark matter that gets captured in the Sun may form positronium-like bound states if it self-interacts via light dark photons. In this case, dark matter can either annihilate to dark photons or recombine in bound states which subsequently also decay to dark photons. The fraction of the dark photons that leave the Sun without decaying to Standard Model particles have a characteristic energy spectrum which is a mixture of the direct annihilation process, the decays of ortho- and para- bound states and the recombination process. The ultimate decay of these dark photons to positron-electron pairs (via kinetic mixing) outside the Sun creates a distinct signal that can either identify or set strict constraints on dark photon models.},
doi = {10.1088/1475-7516/2016/10/012},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 10,
volume = 2016,
place = {United States},
year = 2016,
month =
}