70 citations · 440 across the 21 of their papers we have counts for
21 papers
Decay Spectroscopy of Eu: Quasiparticle Configurations of Excited States and Structure of = Band-heads in Gd
D. Yates, R. Kruecken, I. Dillmann +45
\noindent \textbf{Background:} Detailed spectroscopy of neutron-rich, heavy, deformed nuclei is of broad interest for nuclear astrophysics and nuclear structure. Nuclei in the r-pr…
Systematics of E2 strength in the sd-shell with the valence-space in-medium similarity renormalization group
S. R. Stroberg, J. Henderson, G. Hackman +3
Background: Recent developments in {\it ab initio} nuclear theory demonstrate promising results in medium- to heavy-mass nuclei. A particular challenge for many of the many-body me…
Use of Bayesian Optimization to Understand the Structure of Nuclei
J. Hooker, J. Kovoor, K. L. Jones +41
Monte Carlo simulations are widely used in nuclear physics to model experimental systems. In cases where there are significant unknown quantities, such as energies of states, an it…
Spectroscopic studies of neutron-rich In and its -decay daughter, Sn, using the GRIFFIN spectrometer
F. H. Garcia, C. Andreoiu, G. C. Ball +24
The -decay of neutron-rich In into Sn was studied using the GRIFFIN spectrometer at the ISAC facility at TRIUMF. The study observed the half-lives of the ground…
High-Precision Branching Ratio Measurement and Spin Assignment Implications for Ga Superallowed Decay
A. D. MacLean, A. T. Laffoley, C. E. Svensson +48
A high-precision branching ratio measurement for the superallowed Fermi emitter Ga was performed with the Gamma-Ray Infrastructure for Fundamental Investigations of…
Shape Coexistence at Zero Spin in 64Ni Driven by the Monopole Tensor Interaction
N. Mărginean, D. Little, Y. Tsunoda +75
The low-spin structure of the semimagic 64Ni nucleus has been considerably expanded: combining four experiments, several 0+ and 2+ excited states were identified below 4.5 MeV, and…
Decay Spectroscopy of Cd
Y. Saito, I. Dillmann, R. Krücken +42
Excited states of In populated following the -decay of Cd were experimentally studied with the GRIFFIN spectrometer at the ISAC facility of TRIUMF, Canada. A 480…
Decay of In and Spectroscopy of Sn and Sb with the GRIFFIN Spectrometer
K. Whitmore, C. Andreoiu, F. H. Garcia +25
Spectroscopy of doubly magic Sn has been performed with the GRIFFIN spectrometer at TRIUMF-ISAC following the decay of In. The analysis…
Collective 2p-2h intruder states in Sn studied via -decay of In using GRIFFIN
K. Ortner, C. Andreoiu, M. Spieker +25
The low-lying structure of semi-magic Sn has been investigated through the -decay of In ( min) to study shape coexistence via the reduced transitio…
On the inversion of isobaric-analogue states in nuclei
J. Henderson, S. R. Stroberg
Isospin is an approximate symmetry in atomic nuclei, arising from the rather similar properties of protons and neutrons. Perhaps the clearest manifestation of isospin within nuclei…
Convergence of electric quadrupole rotational invariants from the nuclear shell model
J. Henderson
Nuclei exhibit both single-particle and collective degrees of freedom, with the latter often subdivided into vibrational and rotational motions. Experimentally identifying the rela…
Coulomb excitation of the , mirror pair
J. Henderson, G. Hackman, P. Ruotsalainen +23
Background: Electric-quadrupole () strengths relate to the underlying quadrupole deformation of a nucleus and present a challenge for many nuclear theories. Mirror nuclei in th…
Evidence for rigid triaxial deformation in Ge from a model-independent analysis
A. D. Ayangeakaa, R. V. F. Janssens, S. Zhu +25
An extensive, model-independent analysis of the nature of triaxial deformation in Ge, a candidate for neutrinoless double-beta () decay, was carried out following mult…
and -delayed neutron decay of the nucleus In
R. Dunlop, C. E. Svensson, C. Andreoiu +26
The half-lives of three decaying states of In have been measured with the GRIFFIN -ray spectrometer at the TRIUMF-ISAC facility to be $T_{1/2}(1/2^-)=32…
Observation of excited states in Mg sheds light on nuclear forces and shell evolution
J. S. Randhawa, R. Kanungo, M. Holl +35
The exotic Borromean nucleus Mg with = 8, located at the proton drip-line provides a unique testing ground for nuclear forces and the evolution of shell structure in the…
Isospin symmetry in values: Coulomb excitation study of Mg
P. Ruotsalainen, J. Henderson, G. Hackman +37
The ~=~ nucleus Mg has been studied by Coulomb excitation on Pt and Pd targets. A 205.6(1)-keV -ray transition resulting from the…
The GRIFFIN Facility for Decay-Spectroscopy Studies at TRIUMF-ISAC
A. B. Garnsworthy, C. E. Svensson, M. Bowry +101
Gamma-Ray Infrastructure For Fundamental Investigations of Nuclei, GRIFFIN, is a new high-efficiency -ray spectrometer designed for use in decay spectroscopy experiments with lo…
In-beam internal conversion electron spectroscopy with the SPICE detector
M. Moukaddam, J. Smallcombe, L. J. Evitts +36
The SPectrometer for Internal Conversion Electrons (SPICE) has been commissioned for use in conjunction with the TIGRESS -ray spectrometer at TRIUMF's ISAC-II facility. SPICE fe…
Lifetimes of low-lying excited states in Kr
J. Henderson, A. Chester, G. C. Ball +14
The evolution of nuclear magic numbers at extremes of isospin is a topic at the forefront of contemporary nuclear physics. is a prime example, with increasing experimental d…
Testing microscopically derived descriptions of nuclear collectivity: Coulomb excitation of 22Mg
J. Henderson, G. Hackman, P. Ruotsalainen +24
Many-body nuclear theory utilizing microscopic or chiral potentials has developed to the point that collectivity might be dealt with in an {\it ab initio} framework without the use…
Spectroscopy of proton-rich 66^Se up to J^π = 6^+: isospin-breaking effect in the A = 66 isobaric triplet
P. Ruotsalainen, D. G. Jenkins, M. A. Bentley +26
Candidates for three excited states in the 66^Se have been identified using the recoil-β tagging method together with a veto detector for charged-particle evaporation channels. The…