activity
20102026
most citedDetermination of the Axial-Vector Weak Coupling Constant with Ultracold Neutrons

65 citations · 176 across the 16 of their papers we have counts for

collaborators

17 papers

physics.ins-det2026

FINESSE: A Versatile Beamline for Fundamental Interactions with Neutrons at the European Spallation SourcE

J. Amaral, J. Barrow, M. Bartis +71

FINESSE (A Versatile Beamline for \textbf{F}undamental \textbf{I}nteractions with \textbf{N}eutrons at the \textbf{E}uropean \textbf{S}pallation \textbf{S}ourc\textbf{E}) is a prop…

physics.ins-det2025

High voltage and electrode system for a cryogenic experiment to search for the neutron electric dipole moment

M. A. Blatnik, S. M. Clayton, S. A. Currie +16

The cryogenic approach to the search for the neutron electric dipole moment--performing the experiment in superfluid liquid helium--holds promise for a substantial increase in sens…

nucl-ex2025

Fundamental Nuclear and Particle Physics At Neutron Sources

H. Abele, J. Amaral, W. R. Anthony +121

Fundamental neutron and neutrino physics at neutron sources, combining precision measurements and theory, can probe new physics at energy scales well beyond the highest energies pr…

nucl-ex2024

Measurement of the Free Neutron Lifetime in a Magneto-Gravitational Trap with In Situ Detection

R. Musedinovic, L. S. Blokland, C. B. Cude-Woods +32

Here we publish three years of data for the UCNtau experiment performed at the Los Alamos Ultra Cold Neutron Facility at the Los Alamos Neutron Science Center. These data are in ad…

nucl-ex2024

An experimental search for an explanation of the difference between beam and bottle neutron lifetime measurements

M. F. Blatnik, L. S. Blokland, N. Callahan +32

The past two decades have yielded several new measurements and reanalysis of older measurements of the neutron lifetime. These have led to a 4.4 standard deviation discrepancy betw…

nucl-ex2022

Fill and dump measurement of the neutron lifetime using an asymmetric magneto-gravitational trap

C. Cude-Woods, F. M. Gonzalez, E. M. Fries +39

The past two decades have yielded several new measurements and reanalyses of older measurements of the neutron lifetime. These have led to a 4.4 standard deviation discrepancy betw…

physics.ins-det2022★ 1 cited

A Novel Silicon Photomultiplier Readout Architecture for Low-light Applications

V. Cianciolo, Yu. V. Efremenko, L. Fabris +3

In this article we describe the photon detection readout electronics for the nEDM@SNS experiment. The chosen "photon counting" architecture, which utilizes high-efficiency silicon…

nucl-ex2021★ 2 cited

Improved neutron lifetime measurement with UCN

F. M. Gonzalez, E. M. Fries, C. Cude-Woods +41

We report an improved measurement of the free neutron lifetime using the UCN apparatus at the Los Alamos Neutron Science Center. We counted a total of approximately $38\…

nucl-ex2019★ 5 cited

Final results for the neutron -asymmetry parameter from the UCNA experiment

B. Plaster, E. Adamek, B. Allgeier +91

The UCNA experiment was designed to measure the neutron -asymmetry parameter using polarized ultracold neutrons (UCN). UCN produced via downscattering in solid deuterium w…

physics.ins-det2018★ 8 cited

Monte Carlo Simulations of Trapped Ultracold Neutrons in the UCNτ Experiment

Nathan Callahan, Chen-Yu Liu, Francisco Gonzalez +37

In the UCNτ experiment, ultracold neutrons (UCN) are confined by magnetic fields and the Earth's gravitational field. Field-trapping mitigates the problem of UCN loss on material s…

physics.ins-det2018★ 4 cited

Cavallo's Multiplier for in situ Generation of High Voltage

Steven M. Clayton, Takeyasu M. Ito, John C. Ramsey +4

A classic electrostatic induction machine, Cavallo's multiplier, is suggested for in situ production of very high voltage in cryogenic environments. The device is suitable for gene…

physics.ins-det2017★ 14 cited

Evaluation of commercial nickel-phosphorus coating for ultracold neutron guides using a pinhole bottling method

R. W. Pattie, E. Adamek, T. Brenner +24

We report on the evaluation of commercial electroless nickel phosphorus (NiP) coatings for ultracold neutron (UCN) transport and storage. The material potential of 50~m thick Ni…

nucl-ex2016★ 29 cited

A new method for measuring the neutron lifetime using an in situ neutron detector

C. L. Morris, E. R. Adamek, L. J. Broussard +28

The neutron lifetime is important in understanding the production of light nuclei in the first minutes after the big bang and it provides basic information on the charged weak curr…

physics.ins-det2016★ 15 cited

Detection System for Neutron Decay Correlations in the UCNB and Nab experiments

L. J. Broussard, B. A. Zeck, E. R. Adamek +51

We describe a detection system designed for precise measurements of angular correlations in neutron decay. The system is based on thick, large area, highly segmented silicon de…

physics.ins-det2015★ 26 cited

A multilayer surface detector for ultracold neutrons

Zhehui Wang, M. A. Hoffbauer, C. L. Morris +33

A multilayer surface detector for ultracold neutrons (UCNs) is described. The top B layer is exposed to the vacuum chamber and directly captures UCNs. The ZnS:Ag layer benea…

physics.ins-det2014★ 7 cited

A double-helix neutron detector using micron-size B-10 powder

Zhehui Wang, C. L. Morris, J. D. Bacon +2

A double-helix electrode configuration is combined with a B powder coating technique to build large-area (9 in 36 in) neutron detectors. The neutron detection effic…

nucl-ex2010★ 65 cited

Determination of the Axial-Vector Weak Coupling Constant with Ultracold Neutrons

UCNA Collaboration, J. Liu, M. P. Mendenhall +37

A precise measurement of the neutron decay -asymmetry has been carried out using polarized ultracold neutrons (UCN) from the pulsed spallation UCN source at the Los Alamos…