Search for a 70-ms transition of very low energy in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">Nb</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>90</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

P. E. M. Huygen; J. van Klinken; V. Lakshminarayana; S. M. van Netten; W. Z. Venema

doi:10.1103/PhysRevC.25.671

Search for a 70-ms transition of very low energy in ${}^{90}{Nb}$

P. E. M. Huygen, J. van Klinken, V. Lakshminarayana, S. M. van Netten, and W. Z. Venema

Phys. Rev. C 25, 671 – Published 1 January 1982

Abstract

The decay rate of $1^{+}$ ${}^{90}{Nb}^{m}$ is observed via $E 3$ conversion electrons to investigate if this $1^{+}$ isomer is populated by another isometric transition of extremely low energy. Such a transition could be of interest for perturbation studies, but has not been found.

NUCLEAR REACTIONS ${}^{90}{Zr}$ ( $p$ , $n$ ), $E = 7.8$ MeV; ${}^{90}{Nb}$ detected conversion electrons; measured $T_{\frac{1}{2}}$ .

Received 4 August 1981

DOI:https://doi.org/10.1103/PhysRevC.25.671

Authors & Affiliations

P. E. M. Huygen, J. van Klinken, V. Lakshminarayana^*, S. M. van Netten, and W. Z. Venema

Kernfysisch Versneller Instituut and Laboratorium voor Algemene Natuurkunde der Rijksuniversiteit, Groningen, The Netherlands

^*Permanent address: Nuclear Physics Department, Andhra University, Waltair, India.

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Vol. 25, Iss. 1 — January 1982

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Physical Review C

covering nuclear physics