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Reply to: Possible overestimation of isomer depletion due to contamination

The Original Article was published on 02 June 2021

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Fig. 1: Spectra double-gated on 1,478 and 123 keV (red), 203 keV (blue) or 268 keV (cyan).
Fig. 2: Spectra used for background subtraction for the double gate on 2,475 keV and 1,478 keV.

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Data analysed for the original publication were re-examined for this Reply; no new data were generated.


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This work was supported by the US Department of Energy (DOE), Office of Science, Office of Nuclear Physics, under contract numbers DE-AC02-06CH11357 and DE-AC02-98CH10886 and grant numbers DE-FG02-97ER41041 and DE-FG02-97ER41033; the National Science Foundation under grant number PHY-1203100; and the Polish National Science Centre under grant number 2017/25/B/ST2/00901. This research used resources of Argonne National Laboratory’s ATLAS facility, which is a DOE Office of Science User Facility, and of the Heavy Ion Accelerator Facility at the ANU.

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All co-authors were members of the collaboration that collected, analysed and interpreted the data reported in the original Letter, which have been further examined here. C.J.C. composed the response, with input from J.J.C. and G.J.L. All co-authors had the opportunity to review the response.

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Correspondence to C. J. Chiara.

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The authors declare no competing interests.

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Chiara, C.J., Carroll, J.J., Carpenter, M.P. et al. Reply to: Possible overestimation of isomer depletion due to contamination. Nature 594, E3–E4 (2021).

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