An overview of production routes of the non-standard positron emitter 86gY with emphasis on a comparative analysis of the 86Sr(p,n)- and 86Sr(d,2n)-reactions

M. Shuza Uddin; Ingo Spahn; M. Shamsuzzoha Basunia; Andrew S. Voyles; Stefan Spellerberg; Mazhar Hussain; Sándor Sudár; Lee A. Bernstein; Bernd Neumaier; Syed M. Qaim

doi:10.1515/ract-2024-0375

Article

An overview of production routes of the non-standard positron emitter ^86gY with emphasis on a comparative analysis of the ⁸⁶Sr(p,n)- and ⁸⁶Sr(d,2n)-reactions

M. Shuza Uddin , Ingo Spahn , M. Shamsuzzoha Basunia , Andrew S. Voyles , Stefan Spellerberg , Mazhar Hussain , Sándor Sudár , Lee A. Bernstein , Bernd Neumaier and Syed M. Qaim

Published/Copyright: March 13, 2025

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From the journal Radiochimica Acta Volume 113 Issue 5

Abstract

A very brief overview of the hitherto investigated production routes of ^86gY is given, and a comparative analysis of its production via the two low-energy reactions, namely (p,n) and (d,2n) on 96.4 % enriched ⁸⁶Sr as target material, is presented. Based on our recent cross-section measurements, the calculated yields of ^86gY via the two reactions were compared, and the levels of co-produced isotopic impurities were estimated. At low-energy medical cyclotrons (E_p < 20 MeV; E_d < 10 MeV) the use of the (p,n) reaction is superior, both in terms of the yield of ^86gY and the levels of radionuclidic impurities. At medium-sized cyclotrons, on the other hand, the (d,2n) reaction leads to higher yield of ^86gY, but the level of radionuclidic impurities is also higher. The method of choice for production of ^86gY thus remains the (p,n) reaction on enriched ⁸⁶Sr.

Keywords: enriched 86SrCO3 as target; (p,n) and (d,2n) reactions; excitation function; integral yield; radionuclidic impurity

Corresponding author: Ingo Spahn, Institut für Neurowissenschaften und Medizin, INM-5: Nuklearchemie, Forschungszentrum Jülich, D-52425 Jülich, Germany, E-mail: i.spahn@fz-juelich.de

Acknowledgments

M.S. Uddin thanks the Alexander von Humboldt Foundation in Germany for financial support and acknowledges the Bangladesh Atomic Energy Commission and the Ministry of Science and Technology, Dhaka, Bangladesh, for granting leave of absence to do some research abroad. M. Hussain also thanks the Alexander von Humboldt Foundation in Germany for a stipend to do research at FZJ.

Research ethics: Not applicable.
Informed consent: Not applicable.
Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Use of Large Language Models, AI and Machine Learning Tools: None declared.
Conflict of interest: The authors state no conflict of interest.
Research funding: The work at LBNL was performed under the auspices of the U.S. Department of Energy under contract No. DE-AC02-05CH11231. This research is supported by the U.S. Department of Energy Isotope Program, managed by the Office of Science for Nuclear Physics.
Data availability: Not applicable.

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Received: 2024-12-12

Accepted: 2025-02-17

Published Online: 2025-03-13

Published in Print: 2025-05-26

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Articles in the same Issue

https://doi.org/10.1515/ract-2024-0375

Keywords for this article

enriched 86SrCO3 as target; (p,n) and (d,2n) reactions; excitation function; integral yield; radionuclidic impurity