activity
20242026
collaborators

6 papers

nucl-ex2026

Precision masses of neutron-rich platinum and gold nuclei reveal enhanced shell strength below doubly-magic Pb

David Freire-Fernández, Rui-Jiu Chen, Usama Ahmed +63

The heaviest stable nuclei in the universe owe their existence to quantum shell structure, the grouping of protons and neutrons into discrete energy levels separated by gaps. The l…

physics.ins-det2026

Surrogate neutron-capture studies with fission detection in inverse kinematics at the ESR storage ring

Bogusław Włoch, Camille Berthelot, Guy Leckenby +39

The NECTAR (Nuclear rEaCTions At storage Rings) experiment at the ESR heavy-ion storage ring at GSI/FAIR Darmstadt is dedicated to surrogate reaction studies of neutron-induced rea…

nucl-ex2025

Bayesian and Monte Carlo approaches to estimating uncertainty for the measurement of the bound-state decay of

G. Leckenby, M. Trassinelli, R. J. Chen +47

The measurement of the bound-state decay of at the Experimental Storage Ring at GSI, Darmstadt, has recently been reported with substantial impact on…

nucl-ex2025

Half-life determination of heavy ions in a storage ring considering feeding and depleting background processes

R. J. Chen, G. Leckenby, R. S. Sidhu +49

Heavy-ion storage rings have relatively large momentum acceptance which allows for multiple ion species to circulate at the same time. This needs to be considered in radioactive de…

nucl-ex2025

Bound-State Beta Decay of Ions and the LOREX Project

R. S. Sidhu, G. Leckenby, R. J. Chen +55

Stable Tl ions have the lowest known energy threshold for capturing electron neutrinos () of \,keV. The Lorandite Experiment (LOREX), proposed in…

nucl-ex2024

High-temperature Tl decay clarifies Pb dating in early Solar System

G. Leckenby, R. S. Sidhu, R. J. Chen +56

Radioactive nuclei with lifetimes on the order of millions of years can reveal the formation history of the Sun and active nucleosynthesis occurring at the time and place of its bi…