Strongly interacting massive particles through the axion portal

Dark matter could be a thermal relic comprised of strongly interacting massive particles (SIMPs), where 3 → 2 interactions set the relic abundance. Such interactions generically arise in theories of chiral symmetry breaking via the Wess-Zumino-Witten term. In this work, we show that an axionlike par...

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Veröffentlicht in:	Physical review. D 2018-12, Vol.98 (11), p.1, Article 115031
Hauptverfasser:	Hochberg, Yonit, Kuflik, Eric, McGehee, Robert, Murayama, Hitoshi, Schutz, Katelin
Format:	Artikel
Sprache:	eng
Schlagworte:	Big Bang theory Broken symmetry Cold dark matter Cosmic microwave background Dark matter Parameters PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Supernovae
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