Laboratory Constraints on the Neutron-Spin Coupling of feV-Scale Axions
Junyi Lee, Mariangela Lisanti, W. A. Terrano, Michael Romalis
Abstract
A new analysis methodology of K-${}^{3}$He comagnetometer data provides vastly improved constraints on axion neutron-spin coupling, shrinking the parameter search space for this proposed constituent of dark matter.
Topics & Concepts
AxionPhysicsDark matterNeutronParticle physicsCoupling (piping)Nuclear physicsEngineeringMechanical engineeringDark Matter and Cosmic PhenomenaAtomic and Subatomic Physics ResearchCosmology and Gravitation Theories