3291-keV <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi>J</mi></mrow><mrow><mi>π</mi></mrow></msup></mrow><mo>=</mo><mrow><msup><mrow><mfrac><mrow><mn>25</mn></mrow><mrow><mn>2</mn></mrow></mfrac></mrow><mrow><mo>+</mo></mrow></msup></mrow></math></span> level in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">T</mi><mn>1</mn><mn></mn></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>205</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

J. A. Becker; R. G. Lanier; L. G. Mann; G. L. Struble; K. H. Maier; L. E. Ussery; W. Stöffl; T. W. Nail; R. K. Sheline; J. A. Cizewski; B. H. Erkkila; J. Blomqvist

doi:10.1103/PhysRevC.29.1268

3291-keV $J^{π} = {\frac{25}{2}}^{+}$ level in ${}^{205}{T 1}$

J. A. Becker, R. G. Lanier, L. G. Mann, G. L. Struble, K. H. Maier, L. E. Ussery, W. Stöffl, T. W. Nail, R. K. Sheline, J. A. Cizewski, B. H. Erkkila, and J. Blomqvist

Phys. Rev. C 29, 1268 – Published 1 April 1984

Abstract

A $J^{π} = {\frac{25}{2}}^{+}$ isomer in ${}^{205}{T 1}$ has been observed using techniques of in-beam $γ$ -ray spectroscopy and the ${}^{204}{Hg} (t, 2 n) {}^{205}{T 1}$ reaction. The decay scheme firmly establishes the yrast levels: [ $J^{π}, E_{x}$ (keV)] ${\frac{11}{2}}^{-}$ , 1484.02; ${\frac{15}{2}}^{-}$ , 2054.57; ${\frac{17}{2}}^{-}$ , 2394.18; ${\frac{19}{2}}^{-}$ , 2551.56; and ${\frac{25}{2}}^{+}$ , 3290.7. A candidate for a $12^{-}$ state in ${}^{204}{T 1}$ with the configuration ( $π h_{\frac{11}{2}}^{- 1}, ν i_{\frac{13}{2}}^{- 1}$ ) is identified.

Received 5 December 1983

DOI:https://doi.org/10.1103/PhysRevC.29.1268

Authors & Affiliations

J. A. Becker, R. G. Lanier, L. G. Mann, and G. L. Struble

Lawrence Livermore National Laboratory, Livermore, California 94550

K. H. Maier

Hahn-Meitner Institut für Kernforschung, D-1000 Berlin, Federal Republic of Germany

L. E. Ussery^*, W. Stöffl^*, T. W. Nail, and R. K. Sheline

Florida State University, Tallahassee, Florida 32306

J. A. Cizewski^† and B. H. Erkkila

Los Alamos National Laboratory, Los Alamos, New Mexico 87545

J. Blomqvist

Research Institute of Physics, 10405 Stockholm, Sweden

^*Address for correspondence: Los Alamos Scientific Laboratory, Mail Stop K480, Los Alamos, NM 87545.
^†Present address: A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, CT 06511.

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Vol. 29, Iss. 4 — April 1984

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