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  • Open Access

High-precision ab initio radius calculations of boron isotopes

T. Wolfgruber1,*, T. Gesser1, M. Knöll1, P. Maris2, and R. Roth1,3,†

  • *Contact author: tobias.wolfgruber@physik.tu-darmstadt.de
  • †Contact author: robert.roth@physik.tu-darmstadt.de
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Phys. Rev. C 112, 014306 – Published 2 July, 2025

DOI: https://doi.org/10.1103/8mfb-wc36

Abstract

We perform a precision study of radii in Boron isotopes for multiple realistic interactions from chiral effective field theory. We obtain predictions of radii with combined many-body and interaction uncertainty quantification from ab initio no-core shell-model calculations together with machine-learning extrapolation methods. An extension to radius differences further allows us to investigate a potential proton halo in B8 and, moreover, provide predictions that relate directly to the isotope shift, which can be precisely measured in experiments.

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Phys. Rev. C 112, 014306– Published 2 July, 2025
  • Received 28 March 2025
  • Accepted 13 June 2025
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