Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Electroweak baryogenesis from a dark sector   Adding an extra singlet scalar $S$ to the Higgs sector can provide a barrier
at tree level between a false vacuum with restored electroweak symmetry and the
true one. This has been demonstrated to readily give a strong phase transition
as required for electroweak baryogenesis. We show that with the addition of a
fermionic dark matter particle $\chi$ coupling to $S$, a simple UV-complete
model can realize successful electroweak baryogenesis. The dark matter gets a
CP asymmetry that is transferred to the standard model through a $CP\ portal\
interaction$, which we take to be a coupling of $\chi$ to $\tau$ leptons and an
inert Higgs doublet. The CP asymmetry induced in left-handed $\tau$ leptons
biases sphalerons to produce the baryon asymmetry. The model has promising
discovery potential at the LHC, while robustly providing a large enough baryon
asymmetry and correct dark matter relic density with reasonable values of the
couplings.

36
The categories of this paper are: cmp-lg
27
The categories of this paper are: comp-gas
1
The categories of this paper are: cs
11
The categories of this paper are: hep-lat
19
The categories of this paper are: eess
18
The categories of this paper are: econ
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
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The categories of this paper are: atom-ph
2
The categories of this paper are: math
34
The categories of this paper are: chem-ph
29
The categories of this paper are: funct-an
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The categories of this paper are: adap-org
12
The categories of this paper are: nucl-th