activity
20122026
most citedShape coexistence in the neutron-deficient lead region: A systematic study of lifetimes in the even-even Hg with GRIFFIN

29 citations · 300 across the 35 of their papers we have counts for

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35 papers · 1 filter

nucl-ex2026

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…

nucl-ex2026

Direct measurement of Enhanced octupole collectivity in 148Dy

P. Spagnoletti, V. Vedia, E. Yuksel +36

Excited states in Dy were populated via decay of Ho using the GRIFFIN spectrometer at the TRIUMF ISAC-I facility. A combined measurement of the mean…

nucl-ex2026

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…

nucl-ex2025★ 1 cited

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…

nucl-ex2024

Coulomb Excitation of Sr and the limits of the island of deformation

R. Russell, J. Heery, J. Henderson +33

The region of has long been associated with strongly deformed nuclear configurations. The presence of this strong deformation was recently confirmed through…

nucl-ex2023★ 6 cited

Identifying the spin trapped character of the Si isomeric state

J. Williams, G. Hackman, K. Starosta +30

The properties of a nanosecond isomer in Si, disputed in previous studies, depend on the evolution of proton and neutron shell gaps near the `island of inversion'. We have p…

nucl-ex2023

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…

nucl-ex2023★ 9 cited

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…

nucl-ex2023★ 18 cited

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…

nucl-ex2023★ 10 cited

study of states in : Implications for new physics searches with xenon detectors

B. M. Rebeiro, S. Triambak, P. E. Garrett +21

We used the Ba reaction to carry out an in-depth study of states in Cs, up to around 2.5~MeV. In this work, we place emphasis on hitherto unobserved states b…

nucl-ex2022★ 6 cited

Improved measurement of the E0 transition strength for Se using the SPICE spectrometer

J. Smallcombe, A. B. Garnsworthy, W. Korten +22

The selenium isotopes lie at the heart of a tumultuous region of the nuclear chart where shape coexistence effects grapple with neutron-proton pairing correlations, triaxiality, an…

nucl-ex2022★ 3 cited

Proton capture on P in novae: On the existence of states at MeV and MeV in S

M. Kamil, S. Triambak, G. C. Ball +10

We use a high resolution measurement to investigate the claimed existence of a 6401(3) keV state in S that may affect the nuclear rea…

nucl-ex2022★ 1 cited

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…

nucl-ex2021★ 19 cited

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…

nucl-ex2021★ 4 cited

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…

nucl-ex2021★ 5 cited

Spectroscopy of states in using the reaction

B. M. Rebeiro, S. Triambak, P. E. Garrett +16

Background: The Ba isotope is the daughter nucleus in Xe decay. It also lies in a shape transitional region of the nuclear chart, making it a suitable candidat…

nucl-ex2021★ 7 cited

Investigation of pair-correlated states in Ba via the Ba() reaction

J. C. Nzobadila Ondze, B. M. Rebeiro, S. Triambak +13

We performed a high resolution study of states in Ba using the Ba() two-neutron transfer reaction. Our experiment shows a significant portion of the $L…

nucl-ex2021★ 4 cited

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…

nucl-ex2020★ 6 cited

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…

nucl-ex2020★ 20 cited

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 -…

nucl-ex2020★ 3 cited

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…

nucl-ex2020★ 9 cited

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…

nucl-ex2020

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…

nucl-ex2020★ 18 cited

Benchmarking Xe Neutrinoless Decay Matrix Element Calculations with the Reaction

B. M. Rebeiro, S. Triambak, P. E. Garrett +18

We used a high-resolution magnetic spectrograph to study neutron pair-correlated states in Ba, produced via the reaction. In conjunction with st…