A proposed search for new light bosons using a table-top neutron Ramsey apparatus

Abstract

If a new light boson existed, it would mediate a new force between ordinary fermions, like neutrons. In general such a new force is described by the Compton wavelength ${\lambda }_c$ of the associated boson and a set of dimensionless coupling constants. For light boson masses of about $10^{-}4$ eV, ${\lambda }_c$ is of the order millimeters. Here, we propose a table-top particle physics experiment which provides the possibility to set limits on the strength of the coupling constants of light bosons with spin-velocity coupling. It utilises Ramsey's technique of separated oscillating fields to measure the pseudo-magnetic effect on neutron spins passing by a massive sample.

proceedings of the ECNS 2011 conference, published in Jour of Phys. Conf. Series

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• Tests of the Gravitational Inverse-Square Law below the Dark-Energy Length Scale
• Test of the Equivalence Principle Using a Rotating Torsion Balance
• Spin-Dependent Macroscopic Forces from New Particle Exchange
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Cited by in corpus (5)

• Limits on the Axial Coupling Constant of New Light Bosons
• A New Limit on Possible Long-Range Parity-odd Interactions of the Neutron from Neutron Spin Rotation in Liquid ${}^{4}He$
• New Concept for a Neutron Electric Dipole Moment Search using a Pulsed Beam
• Spin-dependent exotic interactions
• A Ramsey Neutron-Beam Experiment to Search for Ultralight Axion Dark Matter at the ESS