Nuclear Structure 2026

Session

Monday Afternoon Early Session

M3

Jul 27, 2026, 2:00 p.m.

Fletcher Challenge Canada (Simon Fraser University Harbour Centre)

63. Recent Results with the FDSi at FRIB and the new GROVER Detector

James Allmond (ORNL)

2026-07-27, 2:00 p.m.

Invited speakers

A brief overview of recent results from the FRIB Decay Station initiator (FDSi) will be presented. An emphasis will be placed on new gamma-decaying isomers. These isomers provide highly constrained structure possibilities for each region and important landmarks for future exotic beam studies. Finally, a brief overview of the new DEGA-FDS prototype, GROVER, will be presented. The new detector...

79. Two Neutrons, Three Discoveries: Using Two-Neutron Energy Correlations to Probe Nuclear Structure from 134In Decay

Peter Dyszel (University of Tennessee, Knoxville)

2026-07-27, 2:30 p.m.

Contributed Talks

Exotic, neutron-rich nuclei are a testing ground for the evolution of nuclear structure away from stability [1]. As radioactive beam facilities extend isotope production toward the neutron dripline [2-3], it is paramount that experimental efforts follow into this less-explored region of the nuclear chart to fully exploit its discovery potential. In these nuclei, beta-delayed single- and...

157. Erosion of the N=40 Subshell Closure: New Insights from 68Fe

Rashmi Umashankar (TRIUMF)

2026-07-27, 2:50 p.m.

Contributed Talks

Although the shell model is fundamental to our understanding of nuclear structure, the breakdown of traditional magic numbers far from stability provides insight into the nature of the underlying nuclear interactions and acts as a tool to test existing models. Islands of inversion (IoI) in the nuclear landscape are characterized by the presence of deformed multi-particle multi-hole (npnh)...

106. First β-Decay Spectroscopy Measurements of ³¹F and ³⁷Na Using FDSi

Tawfik Gaballah (Mississippi state university)

2026-07-27, 3:10 p.m.

Contributed Talks

The study of nuclear structure in regions of extreme neutron excess provides stringent tests of shell-model predictions. Experiments at the Facility for Rare Isotope Beams (FRIB) continue to explore nuclei at the limits of stability. On the neutron-rich side, crossing from $N = 20$ toward the $N = 28$ island of inversion, the isotopes $^{31}\mathrm{F}$ and $^{37}\mathrm{Na}$ lie at or very...