The decay of the neutron–rich nucleus ²¹⁶Bi

J. Kurpeta,A N Andreyev,J. Äystö,A.-H. Evensen,M. Huhta,M. Huyse,A. Jokinen,M. Karny, Edwin L Kugler,J. Lettry,A. Nieminen,A. Płochocki,M. Ramdhane,H. L. Ravn,K. Rykaczewski,J. Szerypo,Piet Van Duppen,Gilbert G Walter,A. Wöhr

European Physical Journal A（2000）

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摘要

: The decay of the neutron–rich isotope 216Bi, produced by proton–induced spallation at the PS Booster–ISOLDE facility, was investigated by β-γγ, αγ coincidence and spectrum-multiscaling measurements. A new method for reducing isobaric contamination enabled to cover the unknown region “east” of 208Pb for the isobaric chain A=216. The half-life of the β decay of 216Bi was found as T1/2= 135 ± 5 s. Its decay scheme was extended and the possible shell model configurations are proposed.

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gamma ray spectroscopy,spectrum

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The decay of the neutron–rich nucleus 216Bi

The decay of the neutron–rich nucleus ²¹⁶Bi