126 citations · 587 across the 45 of their papers we have counts for
29 papers · 1 filter
Direct measurement of F()Ne cross sections with ANASEN
K. S. Davis, J. C. Blackmon, C. M. Deibel +21
The F()Ne reaction may impact Asymptotic Giant Branch nucleosynthesis and helium burning on accreting white dwarfs. This reaction has never been directly measure…
Sensitivity of nEXO to Xe Charged-Current Interactions: Background-free Searches for Solar Neutrinos and Fermionic Dark Matter
G. Richardson, B. G. Lenardo, D. Gallacher +135
We study the sensitivity of nEXO to solar neutrino charged-current interactions, XeCs, as well as analogous interactions predicted by mo…
Direct Experimental Constraints on the Spatial Extent of a Neutrino Wavepacket
Joseph Smolsky, Kyle G Leach, Ryan Abells +35
Despite their high relative abundance in our Universe, neutrinos are the least understood fundamental particles of nature. They also provide a unique system to study quantum cohere…
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…
'Searching for a needle in a haystack;' A Ba-tagging approach for an upgraded nEXO experiment
H. Rasiwala, K. Murray, Y. Lan +17
nEXO is a proposed experiment that will search for neutrinoless double-beta decay (0) in 5-tonnes of liquid xenon (LXe), isotopically enriched in Xe. A technique calle…
Understanding globular cluster abundances through nuclear reactions
P Adsley, M Williams, D S Harrouz +24
Globular clusters contain multiple stellar populations, with some previous generation of stars polluting the current stars with heavier elements. Understanding the history of globu…
Elastic scattering of 3He+4He with SONIK
S. N. Paneru, C. R. Brune, D. Connolly +22
Measurements of the elastic scattering cross section of 3He and 4He are important in order to improve constraints on theoretical models of 4He(3He,g)7Be, a key reaction in Big Bang…
First inverse kinematics measurement of resonances in Be()C relevant to neutrino-driven wind nucleosynthesis using DRAGON
A. Psaltis, A. A. Chen, R. Longland +18
A possible mechanism to explain the origin of the light -nuclei in the Galaxy is the nucleosynthesis in the proton-rich neutrino-driven wind ejecta of core-collapse supernovae v…
Direct measurement of resonances in Be()C relevant to -process nucleosynthesis
A. Psaltis, A. A. Chen, R. Longland +18
We have performed the first direct measurement of two resonances of the Be()C reaction with unknown strengths using an intense radioactive Be beam and the DRAGO…
New measurement of the keV resonance in the Fp,γ^{20}$Ne reaction
M. Williams, P. Adsley, B. Davids +6
At temperatures below 0.1 GK the FNe reaction is the only breakout path out of the CNO cycle. Experimental studies of this reaction are challenging from a techni…
Constraints on key O()Ne resonances and impact on the weak s-process
M. Williams, A. M. Laird, A. Choplin +7
The efficiency of the slow neutron-capture process in massive stars is strongly influenced by neutron-capture reactions on light elements. At low metallicity, O is an import…
Horizons: Nuclear Astrophysics in the 2020s and Beyond
H. Schatz, A. D. Becerril Reyes, A. Best +162
Nuclear Astrophysics is a field at the intersection of nuclear physics and astrophysics, which seeks to understand the nuclear engines of astronomical objects and the origin of the…
Proton inelastic scattering reveals deformation in He
M. Holl, R. Kanungo, Z. H. Sun +27
A measurement of proton inelastic scattering of He at ~MeV at TRIUMF shows a resonance at 3.54(6)~MeV with a width of 0.89(11)~MeV. The energy of the state is in good ag…
The Status and Future of Direct Nuclear Reaction Measurements for Stellar Burning
M. Aliotta, R. Buompane, M. Couder +22
The study of stellar burning began just over 100 years ago. Nonetheless, we do not yet have a detailed picture of the nucleosynthesis within stars and how nucleosynthesis impacts s…
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…
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…
Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of Be in Superconducting Quantum Sensors
S. Friedrich, G. B. Kim, C. Bray +14
Sterile neutrinos are natural extensions to the standard model of particle physics and provide a possible portal to the dark sector. We report a new search for the existence of sub…
Direct measurement of the Be capture ratio in Ta-based superconducting tunnel junctions
S. Fretwell, K. G. Leach, C. Bray +8
We report a high-statistics measurement of the orbital electron capture (EC) ratio in Be embedded in cryogenic Ta. The thin Ta film formed part of a high-resolution super…
First inverse kinematics measurement of key resonances in the reaction at stellar temperatures
A. Lennarz, M. Williams, A. M. Laird +17
In this Letter we report on the first inverse kinematics measurement of key resonances in the reaction which forms part of the NeNa cycle, and…
First inverse kinematics study of the NeNa reaction and its role in AGB star and classical nova nucleosynthesis
M. Williams, A. Lennarz, A. M. Laird +17
The abundances of sodium and oxygen are observed to be anti-correlated in all well-studied globular clusters. Asymptotic giant branch (AGB) stars undergoing hot bottom burning (HBB…
High-precision -value measurement of the superallowed emitter Mg and an evaluation of the isobaric triplet
M. P. Reiter, K. G. Leach, O. M. Drozdowski +22
A direct -value measurement of the superallowed emitter Mg was performed using TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN). The direct ground-stat…
Precision mass measurements of magnesium isotopes and implications on the validity of the Isobaric Mass Multiplet Equation
M. Brodeur, A. A. Kwiatkowski, O. M. Drozdowski +21
If the mass excess of neutron-deficient nuclei and their neutron-rich mirror partners are both known, it can be shown that deviations of the Isobaric Mass Multiplet Equation (IMME)…
Electroweak Decay Studies of Highly Charged Radioactive Ions with TITAN at TRIUMF
K. G. Leach, I. Dillmann, R. Klawitter +7
Several modes of electroweak radioactive decay require an interaction between the nucleus and bound electrons within the constituent atom. Thus, the probabilities of the respective…
Mass measurements of neutron-rich Rb and Sr isotopes
R. Klawitter, A. Bader, M. Brodeur +16
We report on the mass measurements of several neutron-rich and isotopes in the region with the TITAN Penning-trap mass spectrometer. Usi…