β- decay of the neutron-rich isotope 215Pb

H. De Witte, S. Eeckhaudt, A. N. Andreyev, I. N. Borzov, J. Cederkäll, A. De Smet, D. V. Fedorov, V. N. Fedoseyev, S. Franchoo, M. Górska, H. Grawe, G. Huber, M. Huyse, Z. Janas, U. Köster, W. Kurcewicz, J. Kurpeta, A. Płochocki, K. Van De Vel, P. Van DuppenL. Weissman

Research output: Contribution to journalArticlepeer-review

Abstract

This Brief Report reports on the first observation of the β--delayed γ decay of 215Pb, feeding states in 215Bi. The 215Pb beam was produced using resonant laser ionization and mass separated at the ISOLDE-CERN on-line mass separator. This ensured clean identification of the γ rays as belonging to the decay of 215Pb or its β-decay daughters. A half-life of 147(12) s was measured for the 215Pb β decay and a level scheme for the daughter nucleus 215Bi is proposed, resulting in an extended systematics of the excited states of the neutron-rich Bi isotopes.

Original languageEnglish
Article number067303
JournalPhysical Review C - Nuclear Physics
Volume87
Issue number6
DOIs
Publication statusPublished - 2013 Jun 7
Externally publishedYes

Subject classification (UKÄ)

  • Subatomic Physics

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