70 citations · 433 across the 34 of their papers we have counts for
32 papers · 1 filter
First observation of the fine structure of the Pygmy Dipole Resonance in a nucleus away from stability via the decay of Rb to Sr
P. Spagnoletti, M. Ramalho, S. Tahtela +52
A comprehensive -ray spectroscopy study of excited states in Sr populated via decay of Rb (, ~keV) was performed with the GRIFFIN spect…
Independent Validation of Octupole Collectivity in radium-224 through lifetime measurements of low-lying negative-parity states
D. White, D. O'Donnell, A. Avaa +30
The nucleus Ra is a key benchmark for octupole deformation and for theoretical descriptions of enhanced Schiff moments in reflection-asymmetric nuclei. While Coulomb-excita…
The 76Cu conundrum remains unsolved
B. Olaizola, A. Illana, J. Benito +80
Near the doubly-magic nucleus \nuc{Ni}{78} (, ), there has been a decades-long debate on the existence of a long-lived isomer in \nuc{Cu}{76}. A recent mass measurement…
Investigation of the Excited States of Using the GRIFFIN Spectrometer at TRIUMF
N. K. Syeda, P. Spagnoletti, C. Andreoiu +43
The semi-magic isotopes display signs of shape coexistence in their excited states, which, in contrast to the spherical ground states, are defor…
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…
Cross Sections of the Rb(p,Sr and Kr(p,Rb Reactions at Energies Characteristic of the Astrophysical Process
M. Williams, B. Davids, G. Lotay +22
We have measured the cross section of the Rb(p,Sr radiative capture reaction in inverse kinematics using a radioactive beam of Rb at incident energies of 2.4…
First Evidence of Axial Shape Asymmetry and Configuration Coexistence in Zn: Suggestion for a Northern Extension of the Island of Inversion
M. Rocchini, P. E. Garrett, M. Zielinska +41
The excited states of Zn were investigated via -ray spectroscopy following Cu decay. By exploiting - angular correlation analysis, the , $3…
Evidence of a near-threshold resonance in B relevant to the -delayed proton emission of Be
Y. Ayyad, W. Mittig, T. Tang +27
A narrow near-threshold proton-emitting resonance (Ex = 11.4 MeV, J = 1/2 and = 4.4 keV) was directly observed in B via proton resonance scattering. This r…
High-precision half-life determination of O via direct counting
S. Sharma, G. F. Grinyer, G. C. Ball +30
The half-life of the superallowed Fermi emitter O was determined to high precision via a direct counting experiment performed at the Isotope Separator and Accelera…
First Direct Measurement of an Astrophysical p-Process Reaction Cross Section Using a Radioactive Ion Beam
G. Lotay, S. A. Gillespie, M. Williams +35
We have performed the first direct measurement of the 83Rb(p,g) radiative capture reaction cross section in inverse kinematics using a radioactive beam of 83Rb at incident energies…
Ba and La structure from lifetime measurements
B. Olaizola, A. Babu, R. Umashankar +21
The occurrence of octupole shapes in even-mass neutron-rich Ba isotopes has been well established. However, the situation with the odd-mass Ba and odd or odd-odd La nuclei around t…
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…
Spectroscopic study of Ca from the decay of K
J. K. Smith, A. B. Garnsworthy, J. L. Pore +30
The decay of K to Ca is an appropriate mechanism for benchmarking interactions spanning the and shells, but current knowledge of the -decay schem…
Absence of Low-Energy Shape Coexistence in Ge: The Nonobservation of a Proposed Excited 0 Level at 639 keV
F. H. Garcia, C. Andreoiu, G. C. Ball +28
The Ge structure was investigated in a high-statistics -decay experiment of Ga using the GRIFFIN spectrometer at TRIUMF-ISAC through , -, - 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…
Detailed spectroscopy of doubly magic Sn
J. Benito, L. M. Fraile, A. Korgul +85
The structure of the doubly magic Sn has been investigated at the ISOLDE facility at CERN, populated both by the decay of In and -delayed neut…
Fast-timing study of Ga from the decay of Zn
V. Paziy, L. M. Fraile, H. Mach +23
The decay of Zn to the neutron magic nucleus Ga, with only three valence protons with respect to Ni, was investigated. The study was performed a…
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…
Detailed spectroscopy of Ca: A study of the decay of K
J. L. Pore, C. Andreoiu, J. K. Smith +33
We report on high-statistics data from the decay of the K = 2 ground state taken with the GRIFFIN spectrometer located at the TRIUMF-ISAC facility. In total,…
Shape coexistence in the neutron-deficient lead region: A systematic study of lifetimes in the even-even Hg with GRIFFIN
B. Olaizola, A. B. Garnsworthy, G. C. Ball +37
Lifetimes of and states, as well as some negative-parity and non-yrast states, in Hg were measured using electronic fast timing techniques with th…
Direct observation of proton emission in 11Be
Y. Ayyad, B. Olaizola, W. Mittig +30
The elusive decay was observed in Be by directly measuring the emitted protons and their energy distribution for the first time with the prototype Active Tar…