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alpha decay of the new isotopes Rn-193,Rn-194
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2006 (English)In: Physical Review C. Nuclear Physics, ISSN 0556-2813, E-ISSN 1089-490X, Vol. 74, no 6, 064303- p.Article in journal (Refereed) Published
Abstract [en]

The new neutron-deficient isotopes Rn-193,Rn-194 have been identified in the complete fusion reaction Cr-52+Sm-144 -> Rn-196(*) at the velocity filter SHIP. The alpha-decay energy and half-life value of Rn-194 were determined to be E-alpha=7700(10) keV and T-1/2=0.78(16) ms, respectively. For Rn-193 the half-life of T-1/2=1.15(27) ms and two alpha lines at E-alpha 1=7685(15) keV, I-alpha 1=74(20)% and E-alpha 2=7875(20) keV, I-alpha 2=26(12)% were found. The decay pattern of Rn-193, which is substantially different from that of the heavier odd-A Rn isotopes, provides first experimental evidence for the long-predicted deformation in the very neutron-deficient Rn nuclei.

Place, publisher, year, edition, pages
2006. Vol. 74, no 6, 064303- p.
Keyword [en]
intruder states, gamma-decay, po isotopes, spectroscopy, nuclei, products, pb-185, ship
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-16235DOI: 10.1103/PhysRevC.74.064303ISI: 000243168500016ScopusID: 2-s2.0-33845303970OAI: diva2:334277
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-08-20Bibliographically approved

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