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Reinvestigation of $^{91}$Sr and $^{95}$Y atomic masses using the JYFLTRAP Penning trap (2310.18065v2)
Published 27 Oct 2023 in nucl-ex
Abstract: We report on the precise mass measurements of the ${91}$Sr and ${95}$Y isotopes performed using the JYFLTRAP double Penning trap mass spectrometer. The mass-excess values from this work, ${\mathrm{ME}({91}\mathrm{Sr}) = -83645.5(13)}$ keV and ${\mathrm{ME}({95}\mathrm{Y}) = -81226.4(10)}$ keV, deviate by 6.5(52) keV and $-18(7)$ keV from the Atomic Mass Evaluation 2020 (AME20). In the case of ${91}$Sr the new result disagrees with the ISOLTRAP value, while for ${95}$Y, it agrees with the older JYFLTRAP value.
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