New lifetime measurements in the stable semimagic Sn isotopes using the Doppler-shift attenuation technique

A. Jungclaus, J. Walker, J. Leske, K. H. Speidel, A. E. Stuchbery, M. East, P. Boutachkov, J. Cederkäll, P. Doornenbal, J. L. Egido, A. Ekström, J. Gerl, R. Gernhäuser, N. Goel, M. Górska, I. Kojouharov, P. Maier-Komor, V. Modamio, F. Naqvi, N. PietrallaS. Pietri, W. Prokopowicz, H. Schaffner, R. Schwengner, H. J. Wollersheim

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

Sammanfattning

Precise measurements of lifetimes in the picosecond range of excited states in the stable even-A Sn isotopes 112,114,116,122Sn have been performed using the Doppler shift attenuation technique. For the first excited 2+ states in 112Sn, 114Sn and 116Sn the E2 transition strengths deduced from the measured lifetimes are in disagreement with the previously adopted values. They indicate a shallow minimum at N = 66 in contrast to the maximum at mid-shell predicted by modern shell model calculations.

Originalspråkengelska
Artikelnummer092033
TidskriftJournal of Physics: Conference Series
Volym312
NummerSECTION 9
DOI
StatusPublished - 2011

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