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General Freeze-in and Freeze-out

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arxiv 2107.14801 v1 pith:UAGUCQLX submitted 2021-07-30 hep-ph hep-th

classification hep-phhep-th
keywords coupledgeneraldarkderivefreeze-ininteractionsnon-relativisticprocesses
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We use the framework of relativistic and non-relativistic conformal field theories (CFT) to derive general results relevant for the production of weakly coupled and strongly coupled dark sectors through thermal interactions. Our result reproduce trivially known formulas for $2\to n $ processes and extend to general $m\to n$ processes as well as interacting dark sectors. As concrete examples we consider freeze-in of a relativistic CFT coupled to the SM with contact interactions and derive Sommerfeld enhancement of non-relativistic cross-sections from the theory of fermions at unitarity.

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Cited by 1 Pith paper

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  1. Conformal Freeze-in Dark Matter: 5D Dual and Phase Transition

    hep-ph 2025-02 conditional novelty 7.0 of 10

    The authors construct a 5D Randall-Sundrum holographic dual of Conformal Freeze-In dark matter, find two branches of boundary CFTs, and show the dark confinement phase transition completes without significant supercoo...

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