Abstract
AbstractWe propose the first Search for Dark Sector at the Brazilian Synchrotron Light Laboratory, site of Sirius, a fourth-generation storage ring. We show that UVX, Sirius predecessor, can be a promising dark sector detector, SeDS, with unprecedented sensitivity. The search is based on a $$1-3$$
1
-
3
GeV positron beam impinging on a thick target leading the $$e^+ e^- \rightarrow \gamma A'$$
e
+
e
-
→
γ
A
′
reaction, followed by a missing mass spectrum event reconstruction. We show that SeDS has the potential to probe dark photons with masses up to 55 MeV and kinetic coupling down to $$\epsilon ^2 \sim 10^{-12}$$
ϵ
2
∼
10
-
12
. Therefore, such experiment would constitute the best dark photon probe worldwide in the $$10{-}55$$
10
-
55
MeV mass range, being able to probe an unexplored region of parameter space.
Funder
Simons Foundation
Instituto Serrapilheira
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Fundação de Amparo á Pesquisa do Estado de São Paulo
Publisher
Springer Science and Business Media LLC
Subject
Physics and Astronomy (miscellaneous),Engineering (miscellaneous)
Cited by
1 articles.
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