https://doi.org/10.1140/epjc/s10052-023-12319-8
Letter
Searching for a dark matter particle with anti-protonic atoms
1
CERN, Esplanade des Particules 1, 1211, Geneva, Switzerland
2
Center for Cosmology and Particle Physics, New York University, 10003, New York, NY, USA
3
Warsaw University of Technology, ul. Koszykowa 75, 00-662, Warsaw, Poland
Received:
16
May
2023
Accepted:
3
December
2023
Published online:
18
December
2023
A wide range of dark matter candidates have been proposed and are actively being searched for in a large number of experiments, both at high (TeV) and low (sub meV) energies. One dark matter candidate, a deeply bound uuddss sexaquark, 
, with mass 
GeV (having the same quark content as the hypothesized H-dibaryon, but long lived) is particularly difficult to explore experimentally. In this paper, we propose a scheme in which such a state could be produced at rest through the formation of 
–
He antiprotonic atoms and their annihilation into + 
, identified both through the unique tag of a 
final state, as well as through full kinematic reconstruction of the final state recoiling against it.
G. Farrar and G. Kornakov contributed equally to this work.
© The Author(s) 2023
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