Improved Limits on Long-Range Parity-Odd Interactions of the Neutron

Abstract

We show that a previous polarized 3He experiment at Princeton, plus Eot-Wash equivalence-principle tests, constrain exotic, long-ranged (lambda > 0.15m) parity-violating interactions of neutrons at levels well below those inferred from a recent study of the parity-violating spin-precession of neutrons transmitted through liquid 4He. For lambda > 1.0e8 meters the bounds on gAgV are improved by a 11 orders of magnitude.

2 pages, 3 figures. Accepted as a Rapid Communication in Phys. Rev. D

References in corpus (6)

• Tests of the Gravitational Inverse-Square Law below the Dark-Energy Length Scale
• Torsion-balance tests of the weak equivalence principle
• Short-range tests of the equivalence principle
• Limits on a CP-violating scalar axion-nucleon interaction
• 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 ${}^{4}He$

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• Experimental limit on an exotic parity-odd spin- and velocity-dependent interaction using an optically polarized vapor
• Spin-dependent exotic interactions
• Constraining Spacetime Nonmetricity with Neutron Spin Rotation in Liquid He-4
• A Search for Possible Long Range Spin Dependent Interactions of the Neutron From Exotic Vector Boson Exchange
• Calculations of the dominant long-range, spin-independent contributions to the interaction energy between two nonrelativistic Dirac fermions from double-boson exchange of spin-0 and spin-1 bosons with spin-dependent couplings
• Search for an exotic parity-odd spin- and velocity-dependent interaction using a magnetic force microscope