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- W2243389308 abstract "The 10.2 min $^{141}mathrm{Sm}^{g}$ decay has been investigated. Positron, $ensuremath{gamma}$-ray singles, $ensuremath{gamma}ensuremath{-}ensuremath{gamma}$, and ${ensuremath{beta}}^{+}ensuremath{-}ensuremath{gamma}$ coincidence as well as conversion electron measurements led to a decay scheme comprising 27 transitions among 12 excited states with deduced ${J}^{ensuremath{pi}}$ assignments in $^{141}mathrm{Pm}$. The ${J}^{ensuremath{pi}}=frac{1}{{2}^{+}}$ for $^{141}mathrm{Sm}^{g}$ is confirmed. Internal conversion electrons resulting from the decay of 22.6 min $^{141}mathrm{Sm}^{m}$ have also been measured. The half-life of the $frac{11}{{2}^{ensuremath{-}}}$ state at 628.6 keV in $^{141}mathrm{Pm}$ populated in the latter decay has been measured to be 0.59 ifmmodepmelsetextpmfi{} 0.02 ensuremath{mu}s. The ${ensuremath{beta}}^{+}$ end-point energy measurements yielded decay energy ${Q}_{mathrm{EC}}=4.70ifmmodepmelsetextpmfi{}0.06 mathrm{MeV}mathrm{and} 4.56ifmmodepmelsetextpmfi{}0.04 mathrm{MeV}$ for $^{141}mathrm{Sm}^{m}$ and $^{141}mathrm{Sm}^{g}$, respectively, and these values are compared with predictions of mass formulas. Systematics of the low-lying states and the $B(M2)$ and $B(E3)$ reduced transition rates in the odd-$A$, $N=80$ isotones are discussed.RADIOACTIVITY $^{141}mathrm{Sm}^{m,g}$ from $^{144}mathrm{Sm}(p, p3n)$ and $(p, 4n)^{141}mathrm{Eu}ensuremath{rightarrow}({ensuremath{beta}}^{+}, mathrm{EC})$; measured ${T}_{frac{1}{2}}$, ${E}_{ensuremath{gamma}}$, ${I}_{ensuremath{gamma}}$, ${I}_{mathrm{ce}}$, ${E}_{{ensuremath{beta}}^{+}}$, $ensuremath{gamma}ensuremath{-}ensuremath{gamma}$, ${ensuremath{beta}}^{+}ensuremath{-}ensuremath{gamma}$ coin, ${ensuremath{beta}}^{+}ensuremath{-}ensuremath{gamma}$ delay, deduced ${Q}_{mathrm{EC}}$. $^{141}mathrm{Pm}$ deduced levels, $J$, $ensuremath{pi}$, ${T}_{frac{1}{2}}$, $logmathrm{ft}$, ICC, $ensuremath{gamma}$ multipolarity. Enriched targets, Ge(Li), Si(Li), plastic detectors." @default.
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- W2243389308 date "1977-02-01" @default.
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- W2243389308 title "Structure of<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant=normal>Pm</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>141</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>from decay of<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>79</mml:mn><mml:mn /></mml:math><mml:math xmlns:mml=…" @default.
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- W2243389308 doi "https://doi.org/10.1103/physrevc.15.792" @default.
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