Author/Authors :
Cederwall، نويسنده , , B. and Lee، نويسنده , , I.Y. and Asztalos، نويسنده , , Andrew S. and Brinkman، نويسنده , , M.J. and Becker، نويسنده , , J.A. and Clark، نويسنده , , R.M. and Deleplanque، نويسنده , , M.A. and Diamond، نويسنده , , R.M. and Fallon، نويسنده , , P. J. Farris(IFC)، نويسنده , , L.P. and Henry، نويسنده , , E.A. and Hughes، نويسنده , , J.R. and Macchiavelli، نويسنده , , A.O. and Stephens، نويسنده , , F.S.، نويسنده ,
Abstract :
A method for correcting target-thickness-induced Doppler broadening in γ-ray spectra from weakly populated, very short-lived (femtosecond) states is presented. The method is illustrated by an analysis of superdeformed transitions in 152,153Dy for which the validity of the procedure could be verified consistently from previous lifetime measurements in 152Dy. Furthermore, estimates of the superdeformed lifetimes, previously not measured in 153Dy, are obtained.