activity
20112026
most citedDiscovery and Cross-Section Measurement of Neutron-Rich Isotopes in the Element Range from Neodymium to Platinum at the FRS

156 citations · 742 across the 27 of their papers we have counts for

collaborators

27 papers

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-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

First Exploration of Monopole-Driven Shell Evolution above the N = 126 shell closure: new Millisecond Isomers in 213Tl and 215Tl

T. T. Yeung, A. I. Morales, J. Wu +52

Isomer spectroscopy of heavy neutron-rich nuclei beyond the N=126 closed shell has been performed for the first time at the Radioactive Isotope Beam Factory of the RIKEN Nishina Ce…

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-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★ 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-ex2022★ 3 cited

First application of Markov Chain Monte Carlo-based Bayesian data analysis to the Doppler-Shift Attenuation Method

L. J. Sun, C. Fry, B. Davids +31

Motivated primarily by the large uncertainties in the thermonuclear rate of the PS reaction that limit our understanding of classical novae, we carried out lifet…

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★ 14 cited

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…

nucl-ex2019★ 29 cited

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…

nucl-ex2019★ 48 cited

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…

nucl-ex2018★ 37 cited

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…

nucl-ex2018

Half-Lives of Neutron Rich Cd and In

R. Dunlop, C. E. Svensson, C. Andreoiu +40

The half-lives of isotopes around the shell closure are an important ingredient in astrophysical simulations and strongly influence the magnitude of the second -process a…

physics.ins-det2018★ 42 cited

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…

physics.ins-det2018★ 11 cited

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…

nucl-ex2018★ 13 cited

First determination of -delayed multiple neutron emission beyond A = 100 through direct neutron measurement: The P value of Sb

R. Caballero-Folch, I. Dillmann, J. Agramunt +34

Background: -delayed multiple neutron emission has been observed for some nuclei with A100, with Rb being the heaviest 2n emitter measured to date. So far, only…

nucl-ex2018★ 2 cited

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…

nucl-ex2017★ 5 cited

High-Precision Half-life Measurement for the Superallowed Fermi Emitter Mg

M. R. Dunlop, C. E. Svensson, G. C. Ball +23

A high-precision half-life measurement for the superallowed Fermi emitter Mg was performed at the TRIUMF-ISAC facility using a 4 proportional gas counter. The resul…

nucl-ex2017★ 41 cited

Total Absorption Spectroscopy Study of the Beta Decay of Br and Rb

S. Rice, A. Algora, J. L. Tain +36

The beta decays of Br and Rb have been studied using the total absorption spectroscopy technique. The radioactive nuclei were produced at the IGISOL facility in Jyväs…

nucl-ex2017★ 34 cited

-decay half-lives and -delayed neutron emission probabilities for several isotopes of Au, Hg, Tl, Pb and Bi, beyond N=126

R. Caballero-Folch, C. Domingo-Pardo, J. Agramunt +58

Previous measurements of -delayed neutron emitters comprise around 230 nuclei, spanning from the He up to La. Apart from Tl, with a minuscule…

nucl-ex2016★ 54 cited

Total Absorption Gamma-Ray Spectroscopy of 87Br, 88Br and 94Rb Beta-Delayed Neutron Emitters

E. Valencia, J. L. Tain, A. Algora +35

We investigate the decay of 87Br, 88Br and 94Rb using total absorption gamma-ray spectroscopy. These important fission products are beta-delayed neutron emitters. Our data show con…

physics.ins-det2016★ 45 cited

Conceptual design of the BRIKEN detector: A hybrid neutron-gamma detection system for nuclear physics at the RIB facility of RIKEN

A. Tarifeño-Saldivia, J. L. Tain, C. Domingo-Pardo +5

BRIKEN is a complex detection system to be installed at the RIB-facility of the RIKEN Nishina Center. It is aimed at the detection of heavy-ion implants, -particles, -rays an…

nucl-ex2015★ 66 cited

First measurement of several -delayed neutron emitting isotopes beyond N=126

R. Caballero-Folch, C. Domingo-Pardo, J. Agramunt +62

The -delayed neutron emission probabilities of neutron rich Hg and Tl nuclei have been measured together with -decay half-lives for 20 isotopes of Au, Hg, Tl, Pb and Bi in th…

nucl-ex2015★ 46 cited

Enhanced Gamma-Ray Emission from Neutron Unbound States Populated in Beta Decay

J. L. Tain, E. Valencia, A. Algora +35

Total absorption spectroscopy was used to investigate the beta-decay intensity to states above the neutron separation energy followed by gamma-ray emission in 87,88Br and 94Rb. Acc…