Neutron separation energies at $N=83$ and the isomer position in $^{136}\mathrm{I}$

Neutron separation energies at $N = 83$ and the isomer position in ${}^{136}I$

B. Fogelberg, K. A. Mezilev, V. I. Isakov, K. I. Erokhina, H. Mach, E. Ramström, and H. Gausemel

Phys. Rev. C 75, 054308 – Published 7 May 2007

Abstract

New experimental total β-decay energies of ${}^{135, 136}{Te}$ and of the two isomers of ${}^{136}I$ have been obtained, giving much improved accuracy for the nuclear masses of these nuclides. The neutron separation energies at $N = 83$ were deduced and are compared to recent theoretical and systematic predictions. The new results resolve the problem with the excitation energy of the isomeric state of ${}^{136}I$ . Theoretical calculations of the isomer splitting of ${}^{136}I$ are in good agreement with the new data.

Received 17 January 2007

DOI:https://doi.org/10.1103/PhysRevC.75.054308

Authors & Affiliations

B. Fogelberg^1,*, K. A. Mezilev², V. I. Isakov², K. I. Erokhina³, H. Mach^1,†, E. Ramström¹, and H. Gausemel^4,‡

¹Department of Nuclear and Particle Physics, Uppsala University, P.O. Box 535, S-75121 Uppsala, Sweden
²St. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, RU-188300 Gatchina, Russia
³Physical Technical Institute, Russian Academy of Sciences, RU-194021 St. Petersburg, Russia
⁴Department of Chemistry, Oslo University, P.O. 1033 Blindern, Oslo, Norway

^*Electronic address: Birger.Fogelberg@tsl.uu.se
^†Present address: Department of Physics, University of Notre Dame, Notre Dame, IN 46556-5670, USA.
^‡Present address: Institutt for energiteknikk, P.O. Box 40, N-2027 Kjeller, Norway.

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Vol. 75, Iss. 5 — May 2007

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Physical Review C

covering nuclear physics

Neutron separation energies at $N = 83$ and the isomer position in ${}^{136}I$

B. Fogelberg, K. A. Mezilev, V. I. Isakov, K. I. Erokhina, H. Mach, E. Ramström, and H. Gausemel

Phys. Rev. C 75, 054308 – Published 7 May 2007

Abstract

Authors & Affiliations

Article Text (Subscription Required)

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Physical Review C

covering nuclear physics

Neutron separation energies at N=83 and the isomer position in I136

B. Fogelberg, K. A. Mezilev, V. I. Isakov, K. I. Erokhina, H. Mach, E. Ramström, and H. Gausemel

Phys. Rev. C 75, 054308 – Published 7 May 2007

Abstract

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Neutron separation energies at $N = 83$ and the isomer position in ${}^{136}I$