174 citations · 744 across the 22 of their papers we have counts for
22 papers
Physics-informed Meta-instrument for eXperiments (PiMiX) with applications to fusion energy
Zhehui Wang, Shanny Lin, Miles Teng-Levy +24
Data-driven methods (DDMs), such as deep neural networks, offer a generic approach to integrated data analysis (IDA), integrated diagnostic-to-control (IDC) workflows through data…
A direct measurement of the 17O(a,g)21Ne reaction in inverse kinematics and its impact on heavy element production
M. P. Taggart, C. Akers, A. M. Laird +33
During the slow neutron capture process in massive stars, reactions on light elements can both produce and absorb neutrons thereby influencing the final heavy element abundances. A…
Shell evolution approaching the N=20 island of inversion: Structure of 29Mg
A. Matta, W. N. Catford, N. A. Orr +36
The "Island of Inversion" for neutron-rich nuclei in the vicinity of N=20 has become the testing ground par excellence for our understanding and modelling of shell evolution with i…
A boron-coated CCD camera for direct detection of Ultracold Neutrons (UCN)
K. Kuk, C. Cude-Woods, C. R. Chavez +48
A new boron-coated CCD camera is described for direct detection of ultracold neutrons (UCN) through the capture reactions B (n,0)Li (6%) and B(n,1)$^7…
The Nab Experiment: A Precision Measurement of Unpolarized Neutron Beta Decay
J. Fry, R. Alarcon, S. Baessler +69
Neutron beta decay is one of the most fundamental processes in nuclear physics and provides sensitive means to uncover the details of the weak interaction. Neutron beta decay can e…
Measurement of the neutron lifetime using a magneto-gravitational trap
Nathan Callahan
Precision measurements of the free neutron lifetime , when combined with measurements of the axial vector form factor, can be used to test unitarity of the CKM matrix. Non-uni…
Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment
T. M. Ito, E. R. Adamek, N. B. Callahan +23
The ultracold neutron (UCN) source at Los Alamos National Laboratory (LANL), which uses solid deuterium as the UCN converter and is driven by accelerator spallation neutrons, has b…
Measurement of the neutron lifetime using an asymmetric magneto- gravitational trap and in situ detection
R. W. Pattie, N. B. Callahan, C. Cude-Woods +35
The precise value of the mean neutron lifetime, , plays an important role in nuclear and particle physics and cosmology. It is a key input for predicting the ratio of protons…
Analytic saddlepoint approximation for ionization energy loss distributions
Sky Sjue, Richard George, David Mathews
We present a saddlepoint approximation for ionization energy loss distributions, valid at arbitrary relativistic velocities of the incident particle 0<v/c<1, provided that ionizing…
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…
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…
Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy
Wanchun Wei, L. J. Broussard, M. A. Hoffbauer +29
Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than 15 m has been achie…
Shell evolution approaching the N=20 island of inversion: structure of 26Na
G. L. Wilson, W. N. Catford, N. A. Orr +37
The levels in 26Na with single particle character have been observed for the first time using the d(25Na,p gamma) reaction at 5 MeV/nucleon. The measured excitation energies and th…
Neutron-Antineutron Oscillations: Theoretical Status and Experimental Prospects
D. G. Phillips, W. M. Snow, K. Babu +60
This paper summarizes the relevant theoretical developments, outlines some ideas to improve experimental searches for free neutron-antineutron oscillations, and suggests avenues fo…
Two-neutron transfer reaction mechanisms in C(He,He)C using a realistic three-body He model
D. Smalley, F. Sarazin, F. M. Nunes +33
The reaction mechanisms of the two-neutron transfer reaction C(He,He) have been studied at 30 MeV at the TRIUMF ISAC-II facility using the SHARC charged-particle det…
Neutron-Antineutron Oscillations: A Snowmass 2013 White Paper
K. Babu, S. Banerjee, D. V. Baxter +69
This paper summarizes discussions of the theoretical developments and the studies performed by the NNbarX collaboration for the 2013 Snowmass Community Summer Study.
Constraining nova observables: direct measurements of resonance strengths in 33S(p,γ)34Cl
J. Fallis, A. Parikh, P. F. Bertone +32
The 33S(p,γ)34Cl reaction is important for constraining predictions of certain isotopic abundances in oxygen-neon novae. Models currently predict as much as 150 times the solar abu…
The Upscattering of Ultracold Neutrons from the polymer
E. I. Sharapov, C. L. Morris, M. Makela +28
It is generally accepted that the main cause of ultracold neutron (UCN) losses in storage traps is the upscattering to the thermal energy range by hydrogen adsorbed on the surface…
Measurements of ultracold neutron upscattering and absorption in polyethylene and vanadium
E. I. Sharapov, C. L. Morris, M. Makela +27
The study of neutron cross sections for elements used as efficient ``absorbers'' of ultracold neutrons (UCN) is crucial for many precision experiments in nuclear and particle physi…
High-Precision Measurement of the 19Ne Half-Life and Implications for Right-Handed Weak Currents
S. Triambak, P. Finlay, C. S. Sumithrarachchi +21
We report a precise determination of the 19Ne half-life to be s. This result disagrees with the most recent precision measurements and is important for…
Measurement of the 18Ne(a,p_0)21Na reaction cross section in the burning energy region for X-ray bursts
P. J. C. Salter, M. Aliotta, T. Davinson +14
The 18Ne(a,p)21Na reaction provides one of the main HCNO-breakout routes into the rp-process in X-ray bursts. The 18Ne(a,p_0)21Na reaction cross section has been determined for the…
The 3He + 4He --> 7Be Astrophysical S-factor
T. A. D. Brown, C. Bordeanu, K. A. Snover +5
We present precision measurements of the 3He + 4He --> 7Be reaction in the range ECM = 0.33 to 1.23 MeV using a small gas cell and detection of both prompt gamma rays and 7Be activ…