Publications (6)
Universal Effective Charges in the and Shells
T. H. Ogunbeku, J. M. Allmond, T. J. Gray +79
The 247-keV state in Sc, populated in the decay of Ca, is reported here as a nanosecond isomer with a half-life of 26.0(22) ns. The state is interpreted as the $…
Direct Measurement of the CuNi Excitation Function to Constrain the Ni--Cu Cycle Strength and Its Impact on Explosive Nucleosynthesis
E. Lopez-Saavedra, M. L. Avila, W. -J. Ong +21
A new direct measurement of the 59Cu(p,a)56Ni excitation function from 2.43-5.88 MeV in the center-of-mass was performed in inverse kinematics using the high-efficiency MUSIC activ…
Detailed Study of the Cu(p,Ni Reaction and Constraints on Its Astrophysical Reaction Rate
E. Lopez-Saavedra, M. L. Avila, W. -J. Ong +20
The CuNi reaction plays an important role in explosive astrophysical scenarios such as Type I X-ray bursts and the -process in neutrino-driven winds follow…
Constraining the Synthesis of the Lightest p Nucleus 74Se
A. Tsantiri, A. Spyrou, E. C. Good +42
We provide the first experimental cross section of the reaction to constrain one of the main destruction mechanisms of the p nucleus $^{74}\tex…
Machine-Learning-Enabled Measurements of Astrophysical (p,n) Reactions with the SECAR Recoil Separator
P. Tsintari, N. Dimitrakopoulos, R. Garg +29
The synthesis of heavy elements in supernovae is affected by low-energy (n,p) and (p,n) reactions on unstable nuclei, yet experimental data on such reaction rates are scarce. The S…
Beta-decay Half Lives beyond Ca: A Systematic Survey of Decay Properties approaching the Neutron Dripline
W. -J. Ong, Z. Y. Xu, R. Grzywacz +83
In an experiment performed at the Facility for Rare Isotope Beams (FRIB) using the FRIB Decay Station initiator (FDSi), 15 new half lives of isotopes near Ca were measured.…