Decay studies of neutron-deficient lawrencium isotopes

Antalic, S.*; Heberger, F. P.*; Hofmann, S.*; Ackermann, D.*; Heinz, S.*; Kindler, B.*; Kojouharov, I.*; Kuusiniemi, P.*; Leino, M.*; Lommel, B.*; Mann, R.*; Nishio, Katsuhisa ; ro, .*; Streicher, B.*; Sulignano, B.*; Venhart, M.*

The radioactive decay of the isotopes $^{254-256}$ Lr and their daughter products was investigated by means of , prompt and delayed conversion electron coincidence spectroscopy. The experiment was carried out at GSI by using the velocity filter SHIP to separate evaporation residues, produced in the reaction $^{48}$ Ca+ $^{209}$ Bi, from the primary beams. In $^{255}$ Lr, a second short-lived isomer with a half-life of 1.91 ms was found. For $^{254,256}$ Lr, new data for transitions of levels in $^{250,252}$ Md populated by decay were observed. The constructed level schemes are useful for the nuclear structure theory.

Language	:	English
Journal	:	European Physical Journal A
Volume	:	38
Number	:	2
Pages	:	p.219 - 226
Publication Year/Month	:	2008/11
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Paper URL	:	https://doi.org/10.1140/epja/i2008-10665-7
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Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	Gesellschaft fr Schwerionenforschung

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Registration No. : AA20080718
JAEA Abstracts No. : 37000136
Paper Submission No. : 5104

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