β-feeding Intensity Distribution of <sup>73</sup>Co From Total Absorption Spectroscopy

ORAL

Abstract

The β-decay properties of isotopes far from stability are necessary for improving astrophysical r-process abundance calculations and validating nuclear structure models. Nuclei far from stability tend to have large β-decay Q-values, often leading to decay schemes with many weak β-decay branches and multiple deexcitation pathways to the ground state. These weak branches are difficult to detect with high efficiency detectors. These issues may be overcome using a large volume, high efficiency g-ray detector that can simultaneously measure all g-rays emitted following a β-decay event allowing for reconstruction of the initial excited state populated in the β-decay. In this work, the β-decay of 73Co was studied at the NSCL using the Summing NaI(Tl) (SuN) detector [1]. Implanted ions and subsequent β-decay electrons were detected using a DSSD while β-delayed g-rays were measured in SuN. The resulting feeding intensities are used to calculate the Gamow-Teller strength distribution (B(GT)) for the β decay of 73Co. The β-decay properties of neighboring isotopes have been completed previously using the same experimental setup and will be compared with the results of this analysis [2-3].



[1] NIM Phys. Res. A 703, 16 (2013)

[2] PRC 100.2 (2019): 025806

[3] PRL 117.14 (2016): 142701

*This material is based upon work supported by the Department of Energy National Nuclear Security Administration through the Nuclear Science and Security Consortium under Award Number(s) DOE NNSA Grant No. DOE-DE- NA0003906, NSSC Award No. DE-NA0003180, DOE Office of Nuclear Physics Grant No. DE- SC0020451 and DE-NA0000979

–

Presenters

  • Mejdi J Mogannam

    • Facility for Rare Isotope Beams
    • Michigan State University

Authors

  • Mejdi J Mogannam

    • Facility for Rare Isotope Beams
    • Michigan State University

  • Sean N Liddick

    • Facility for Rare Isotope Beams
    • Michigan State University
    • NSCL Michigan State University
    • Michigan State University (MSU)
    • FRIB
    • Facility for Rare Isotope Beams, Michigan State University

  • Rebecca Lewis

    • Michigan State University
    • Zeno Power

  • Andrea L Richard

    • Lawrence Livermore National Laboratory
    • NSCL Michigan State University
    • Lawrence Livermore National Lab

  • Stephanie M Lyons

    • Pacific Northwest National Laboratory
    • Michigan State University
    • NSCL Michigan State University
    • Pacific Northwest National Lab
    • Pacific Northwestern National Laboratory
    • FRIB

  • Artemis Spyrou

    • Michigan State University

  • Darren L Bleuel

    • Lawrence Livermore National Laboratory
    • Lawrence Livermore Natl Lab
    • Lawrence Livermore National Lab

  • Aaron Chester

    • Michigan State University
    • Simon Fraser University

  • Katie Childers

    • Nevada National Security Site
    • FRIB

  • Benjamin P Crider

    • Mississippi State University

  • Alexander C Dombos

    • University of Notre Dame

  • Magne Guttormsen

    • Univ of Oslo

  • Caley Harris

    • Michigan State University
    • Michigan State University (MSU)
    • FRIB

  • Ann Cecilia Larsen

    • Univ of Oslo
    • University of Oslo

  • Alicia Palmisano

    • UTK
    • University of Tennessee Knoxville

  • Debra Richman

    • Michigan State University

  • Nicolas D Scielzo

    • Lawrence Livermore National Laboratory
    • Lawrence Livermore Natl Lab
    • Lawrence Livermore National Lab

  • Anna Simon

    • University of Notre Dame

  • Mallory K Smith

    • NSCL
    • NSCL Michigan State University
    • Facility for Rare Isotope Beams

  • Adriana Sweet

    • Lawrence Livermore National Laboratory
    • Lawrence Livermore National Lab

  • Remco G Zegers

    • Michigan State University