activity
20202026
most citedNew high-sensitivity searches for neutrons converting into antineutrons and/or sterile neutrons at the European Spallation Source

64 citations · 126 across the 17 of their papers we have counts for

collaborators
Showing nucl-exShow all

12 papers · 1 filter

nucl-ex2026

Precision Mass Measurements of \textsuperscript{130}Te, \textsuperscript{130}Sn, and Their Impact on Models for R-Process Nucleosynthesis

A. Cannon, W. S. Porter, A. A. Valverde +12

The astrophysical rapid neutron capture nucleosynthesis process (r-process) remains an active area of research due to the fact that it occurs in extreme conditions and involves rea…

nucl-ex2026

Precise Mass Measurement of the La-Ce-Pr isobaric chain

B. Liu, M. Brodeur, J. A. Clark +13

Penning trap mass measurements of La, Ce, and Pr were performed with the Canadian Penning Trap (CPT) at the CARIBU facility of Argonne National Laboratory u…

nucl-ex2025

Exploration for Astromers near Sn with the Canadian Penning Trap

A. A. Valverde, S. Cupp, A. Gross +26

Nuclear isomers can have significant impacts on astrophysical nucleosynthesis processes, with recent efforts demonstrating that the population of isomeric states with different hal…

nucl-ex2025

Astrophysical significance of the isomer Ag demonstrated through direct mass measurement

F. Rivero, M. Brodeur, J. A. Clark +18

The abundance of elements heavier than iron produced via the astrophysical rapid-neutron capture process depends sensitively on the atomic mass of the involved nuclei as well as th…

nucl-ex2024

Mass measurements of neutron-rich nuclides using the Canadian Penning Trap to inform predictions in the -process rare-earth peak region

D. Ray, N. Vassh, B. Liu +25

Studies aiming to determine the astrophysical origins of nuclei produced by the rapid neutron capture process ( process) rely on nuclear properties as inputs for simulations. Th…

nucl-ex2024

Precise Mass Measurement of the Longest Odd-Odd Chain of \boldmath Ground States

B. Liu, M. Brodeur, J. A. Clark +14

Precise mass measurements of the ground and isomeric states of the odd-odd Rh were performed using the Canadian Penning Trap at Argonne National Laborat…

nucl-ex2024★ 3 cited

Investigating the effects of precise mass measurements of Ru and Pd isotopes on machine learning mass modeling

W. S. Porter, B. Liu, D. Ray +19

Atomic masses are a foundational quantity in our understanding of nuclear structure, astrophysics and fundamental symmetries. The long-standing goal of creating a predictive global…

nucl-ex2024

Direct cross-section measurement of the weak r-process 88Sr(α,n)91Zr reaction in ν-driven winds of core collapse supernovae

C. Fougères, M. L. Avila, H. Jayatissa +15

About half of the heavy elements beyond iron are known to be produced by the rapid neutron capture process, known as r-process. However, the astrophysical site producing the r-proc…

nucl-ex2023★ 5 cited

Precise Mass Measurements of Isobars with the Canadian Penning Trap: Resolving the anomaly at Te

A. A. Valverde, F. G. Kondev, B. Liu +11

We report precision mass measurements of Sb, Te, and I, produced at CARIBU at Argonne National Laboratory's ATLAS facility and measured using the Cana…

nucl-ex2023★ 2 cited

Fundamental Symmetries, Neutrons, and Neutrinos (FSNN): Whitepaper for the 2023 NSAC Long Range Plan

B. Acharya, C. Adams, A. A. Aleksandrova +176

This whitepaper presents the research priorities decided on by attendees of the 2022 Town Meeting for Fundamental Symmetries, Neutrons and Neutrinos, which took place December 13-1…

nucl-ex2022

Improved Limit on Tensor Currents in the Weak Interaction from Li Decay

M. T. Burkey, G. Savard, A. T. Gallant +28

The electroweak interaction in the Standard Model (SM) is described by a pure vector-axial-vector structure, though any Lorentz-invariant component could contribute. In this work,…

nucl-ex2021★ 32 cited

Experimental Search for Neutron to Mirror Neutron Oscillations as an Explanation of the Neutron Lifetime Anomaly

L. J. Broussard, J. L. Barrow, L. DeBeer-Schmitt +15

An unexplained discrepancy persists between "beam" and "bottle" measurements of the neutron lifetime. A new model proposed that conversions of neutrons into mirror neut…