Eur. Phys. J. A (2008) 38: 219-226
https://doi.org/10.1140/epja/i2008-10665-7

Regular Article - Experimental Physics

Decay studies of neutron-deficient lawrencium isotopes

¹ Department of Nuclear Physics and Biophysics, Comenius University, SK-84248, Bratislava, Slovakia
² Gesellschaft für Schwerionenforschung (GSI), D-64291, Darmstadt, Germany
³ Institut für Kernphysik, Goethe-Universität, D-60054, Frankfurt am Main, Germany
⁴ Centre for Underground Physics in Pyhäsalmi (CUPP), University of Oulu, FIN-90014, Oulu, Finland
⁵ Department of Physics, University of Jyväskylä, FIN-40014, Jyväskylä, Finland
⁶ Advanced Science Research Center, Japan Atomic Energy Agency (JAEA), 319-1195, Tokai, Ibaraki, Japan
⁷ Commissariat à l’Énergie Atomique (CEA) Saclay, DAPNIA/SPhN, F-91191, Gif-sur-Yvette Cedex, France

^* e-mail: antalic@fmph.uniba.sk

Received: 18 September 2008
Revised: 9 October 2008
Accepted: 14 October 2008
Published online: 31 October 2008

Abstract

The radioactive decay of the isotopes ^254-256Lr and their daughter products was investigated by means of α , prompt α -γ and delayed conversion electron-γ coincidence spectroscopy. The isotopes were produced using the reaction ⁴⁸Ca + ²⁰⁹Bi .