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Evidence for the Iπ=8−, K=8 isomeric state in184Hf

Authors :
Krumbholz, K.
Schmidt-Ott, W. -D.
Hild, T.
Kunze, V.
Meissner, F.
Wennemann, C.
Keller, H.
Kirchner, R.
Klepper, O.
Roeckl, E.
Schardt, D.
Rykaczewski, K.
Source :
Zeitschrift für Physik A Hadrons and Nuclei; March 1995, Vol. 351 Issue: 1 p11-12, 2p
Publication Year :
1995

Abstract

Using an 11.4MeV/u<superscript>136</superscript>Xe beam of the UNILAC accelerator of GSI and a<superscript>nat</superscript>W target, A=184 isobars were produced and separated by using an on-line mass separator. A new isomeric state was found in<superscript>184</superscript>Hf. This state decays with a half-life of 48(10) s and emits three ?-rays of 73, 482, and 555 keV as well as lower-lying cascade transitions. The hindrance of the 73 keV-E1 transition with ?K=8 is compared with those of other even-even hafnium isotopes. The half-life of<superscript>184</superscript>Lu was estimated to be between 15 and 25s.

Details

Language :
English
ISSN :
09397922 and 14315831
Volume :
351
Issue :
1
Database :
Supplemental Index
Journal :
Zeitschrift für Physik A Hadrons and Nuclei
Publication Type :
Periodical
Accession number :
ejs16462218
Full Text :
https://doi.org/10.1007/BF01292780