Expanding the Reach of High-Precision Mass Measurements with LEBIT at FRIB

ORAL · Invited

Abstract

Nuclear science is entering an age of unparalleled access to exotic rare isotopes with new radioactive-ion-beam facilities, such as FRIB, coming online. Of critical importance are nuclei at and near the proton- and neutron-driplines, which are necessary for understanding the limits of nuclear stability, nucleosynthesis in stars, and the structure of exotic nuclei. Thanks to facilities like FRIB, many of these nuclei are only now within reach for precision mass measurements with Penning traps, the most accurate method available to date. Accessing mass information in these regions constrains astrophysical models by providing reaction Q-values relevant for nucleosynthesis reaction pathways and determining reaction waiting-points.

In this contribution, I will discuss recent measurements with the Low Energy Beam Ion Trap (LEBIT) [1] facility and their significance to nuclear astrophysics. Additionally, the commissioning of the Phase-Imaging Penning trap technique (PI-ICR) [2] and an overview of the development of the Single Ion Penning Trap [3] project will be provided. Lastly, future perspectives for the LEBIT scientific program and R&D projects will be highlighted.

[1] R. Ringle et al., IJMS 349-350, 87 (2013)

[2] S. Eliseev et al., PRL 110.8, 082501 (2013)

[3] A. Hamaker et al., Hyperfine Interact. 240, 34 (2019)

–

Publication: C.M. Ireland, et al., The mass of 101Sn and Bayesian extrapolations to the proton drip line, In Review.

F.M. Maier, et al., Exploring Isospin Symmetry Breaking in Exotic Nuclei: High-Precision Mass Measurement of 23Si and Shell-Model Calculations of T = 5/2 Isotopes, In Review.

C.M. Ireland, F.M. Maier et al., High-Precision mass measurements of 103Sn restores smoothness of the mass surface, PRC 111, 014314 (2025).

S.E. Campbell et al., Precision Mass Measurement of the Proton Dripline Halo Candidate 22Al, PRL 131, 152501 (2024).

Presenters

  • Scott Campbell

    Facility for Rare Isotope Beams, Michigan State University

Authors

  • Scott Campbell

    Facility for Rare Isotope Beams, Michigan State University

  • Georg Bollen

    Michigan State University

  • Hannah Erington

    Facility for Rare Isotope Beams, Michigan State University

  • Christian Ireland

    FRIB

  • Franziska Maier

    FRIB

  • Ryan Ringle

    Facility of Rare Isotope Beams, Facility for Rare Isotope Beams