activity
20152026
most citedThe GRIFFIN Facility for Decay-Spectroscopy Studies at TRIUMF-ISAC

42 citations · 153 across the 23 of their papers we have counts for

collaborators

23 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…

physics.ins-det2026

Ion Temperature Inference from Neutron Counting in Maxwellian Deuterium Plasmas

Allison J. Radich, Vlad Grecu, Patrick J. F. Carle +7

A method is presented for inferring the deuterium fuel ion temperature from neutron counts measured with fast liquid scintillators in conditions where the ion velocity distribution…

astro-ph.HE2025

Direct measurement of Cu(,)Ni precludes a strong NiCu cycle in Type-I X-ray bursts

N. Bhathi, J. S. Randhawa, R. Kanungo +36

Model-observation comparisons of type-I X-ray bursts (XRBs) can reveal the properties of accreting neutron star systems, including the neutron star compactness. XRBs are powered by…

nucl-ex2025★ 1 cited

Intruder structures in Si and Al

J. Williams, G. Hackman, K. Starosta +31

We have studied Si and Al using C(Ne,2p) and C(Ne,p) fusion-evaporation reactions. In both cases, we observed significant population of…

nucl-ex2025

Extremely large oblate deformation of the first excited state in C: a new challenge to modern nuclear theory

C. Ngwetsheni, J. N. Orce, P. Navrátil +14

A Coulomb-excitation study of the high-lying first excited state at 4.439 MeV in the nucleus C has been carried out using the Pb(C,C)Pb…

nucl-ex2023★ 5 cited

Structure Studies of from the Be(d,p) reaction in inverse kinematics on a solid deuteron target

J. Kovoor, K. L. Jones, J. Hooker +42

The low-lying structure of Be has remained an enigma for decades. Despite numerous experimental and theoretical studies, large inconsistencies remain. Being both unbound, an…

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★ 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★ 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…

physics.comp-ph2021★ 9 cited

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…

nucl-ex2021★ 14 cited

First direct measurement of Cu(p,)Ni: A step towards constraining the Ni-Cu cycle in the Cosmos

J. S. Randhawa, R. Kanungo, J. Refsgaard +34

Reactions on the proton-rich nuclides drive the nucleosynthesis in Core-Collapse Supernovae (CCSNe) and in X-ray bursts (XRBs). CCSNe eject the nucleosynthesis products to the inte…

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-ex2020★ 8 cited

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…

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★ 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-ex2019★ 5 cited

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,…

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…

nucl-ex2018★ 2 cited

High-resolution (p,t) reaction measurements as spectroscopic tests of {\it ab-initio} theory in the mid -shell

K. G. Leach, J. D. Holt, P. E. Garrett +18

Detailed spectroscopic measurements of excited states in Cr and Zn were performed using 24~MeV (p,t) transfer reactions on Cr and Zn, respectively. In t…

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…

nucl-ex2016★ 7 cited

A Search for States in Cr: Implications for the Superallowed -decay of Mn

K. G. Leach, P. E. Garrett, G. C. Ball +16

A CrCr two-neutron pickup reaction was performed using the Q3D magnetic spectrograph at the Maier-Leibnitz-Laboratorium in Garching, Germany. Excited states in…

nucl-ex2015★ 10 cited

Measurement of Lifetimes in 23Mg

O. S. Kirsebom, P. Bender, A. Cheeseman +22

Several lifetimes in 23Mg have been determined for the first time using the Doppler-shift attenuation method. A Monte Carlo simulation code has been written to model the gamma-ray…