John C Ramsey Contact RAMSEYJC@ORNL.GOV All Publications Study of neutron beta decay with the Nab experiment Fill and dump measurement of the neutron lifetime using an asymmetric magneto-gravitational trap A novel silicon photomultiplier readout architecture for low-light applications Improved Neutron Lifetime Measurement with UCNτ Effect of an electric field on liquid helium scintillation produced by fast electrons The neutron electric dipole moment experiment at the Spallation Neutron Source The Nab experiment: A precision measurement of unpolarized neutron beta decay Status of the UCN τ experiment A new cryogenic apparatus to search for the neutron electric dipole moment Using Nab to determine correlations in unpolarized neutron decay Design and implementation of a non-magnetic cryogenic multi-conductor vacuum feedthrough Search for dark matter decay of the free neutron from the UCNA experiment: n→χ+e+e− Cavallo's multiplier for in situ generation of high voltage New result for the neutron β-asymmetry parameter A0 from UCNA Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment First direct constraints on Fierz interference in free-neutron β decay Measurement of spin-flip probabilities for ultracold neutrons interacting with nickel phosphorus coated surfaces Key Links ORCID nEDM@SNS Experiment Page ORCID iD Organizations Physical Sciences Directorate Physics Division Fundamental Nuclear and Particle Physics Section Neutron Symmetries Group
