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βdecay of the neutron-rich isotope215Pb
Author(s) -
H. De Witte,
S. Eeckhaudt,
A. N. Andreyev,
I. N. Borzov,
J. Cederkäll,
A. De Smet,
Д. В. Федоров,
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 Duppen,
L. Weissman
Publication year - 2013
Publication title -
physical review c
Language(s) - English
Resource type - Journals
eISSN - 1089-490X
pISSN - 0556-2813
DOI - 10.1103/physrevc.87.067303
Subject(s) - physics , excited state , neutron , nuclear physics , atomic physics
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.

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