ORIGINAL RESEARCH article
Front. Phys.
Sec. Nuclear Physics
Volume 13 - 2025 | doi: 10.3389/fphy.2025.1525170
This article is part of the Research TopicModern Advances in Direct Reactions for Nuclear StructureView all 9 articles
Systematic study of the propagation of uncertainties to transfer observables
Provisionally accepted
Chloë Hebborn1,2*
Filomena Marciel Nunes1,2- 1Michigan State University, East Lansing, United States
- 2Facility for Rare Isotope Beams, Michigan State University, East Lansing, Michigan, United States
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A systematic study of parametric uncertainties in transfer reactions is performed using the recently developed uncertainty quantified global optical potential (KDUQ). We consider reactions on the doubly-magic spherical nucleus 48 Ca and explore the dependence of the predicted (d, p) angular distribution uncertainties at different beam energies and for different properties of the final single-particle state populated by the reaction. Our results show that correlations between the uncertainties associated with the bound state potential and with the optical potentials may be important for correctly determining the uncertainty in the transfer cross sections (in our case, these do not add in quadrature). In general, we find small uncertainties in the predicted transfer observables: half-width of the 68% credible interval is roughly 5 -10%, which is comparable to the experimental error on the transfer data. Finally, our results show that the relative magnitude of the parametric uncertainty in transfer observables increases with the beam energy and does not depend strongly on the properties of the final state.
Keywords: nuclear reactions, Optical model, single-nucleon transfer reactions, uncertainty quantification, Single-particle properties
Received: 08 Nov 2024; Accepted: 07 May 2025.
Copyright: © 2025 Hebborn and Nunes. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Chloë Hebborn, Michigan State University, East Lansing, United States
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