Title: Alpha decay of the new isotopes Po-188,Po-189
Authors: Andreyev, Andrei ×
Ackermann, D
Cagarda, P
Gerl, J
Hessberger, F
Hofmann, S
Huyse, Marc
Keenan, A
Kettunen, H
Kleinbohl, A
Lavrentiev, A
Leino, M
Lommel, B
Matos, M
Munzenberg, G
Moore, C
O'Leary, CD
Page, RD
Reshitko, S
Saro, S
Schlegel, C
Schaffner, H
Taylor, M
Van Duppen, Piet
Weissman, L
Wyss, R #
Issue Date: Dec-1999
Publisher: Springer verlag
Series Title: European physical journal A vol:6 issue:4 pages:381-385
Abstract: New neutron-deficient isotopes Po-188,Po-189 have been produced in the complete fusion reaction of Cr-52 ions with a Nd-142 target at the velocity filter SHIP. The evaporation residues were separated in-flight and subsequently identified on the basis of alpha - gamma and alpha-conversion electron coincidence measurements and of alpha-alpha position and time correlations. In Po-189 a ground state to ground state alpha decay with E-alpha 1 = 7540(20) keV, T-1/2=5(1) ms and two fine structure alpha-decays at E-alpha 2=7264(15) keV and E-alpha 3=7316(15) keV have been observed. In Po-188 (T-1/2 = 400(-150)(+200) mu s) a ground state to ground state alpha decay at E alpha=7915(25) keV and a fine structure alpha decay at E-alpha=7350(40) keV have been found. Improved data on the alpha-decay of Bi-189 were obtained.
ISSN: 1434-6001
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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