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HK: Physik der Hadronen und Kerne
HK 10: Poster Session: Nuclear Physics/Spectroscopy
HK 10.7: Poster
Dienstag, 12. März 2002, 10:30–12:45, Foyer Chemie
Picosecond lifetime determination in the mirror nuclei 47Cr and 47V — •Dimitar Tonev1, Pavel Petkov1,2, Alfred Dewald1, Silvia Lenzi3, Daniel R. Napoli4, Ventseslav Andrejtscheff2, and Peter von Brentano1 — 1Institut fuer Kernphysik, der Universitaet zu Koeln, Zuelpicherstr 77, 50937 Koeln, Deutschland — 2Bulgarian Academy of Sciences, Institute for Nuclear Research and Nuclear Energy, 1784 Sofia, Bulgaria — 3Dipartimento di Fisica and INFN, Sezione di Padova, Padova, Italy — 4INFN, Laboratory Nazionali di Legnaro, Legnaro, Italy
Lifetime measurements in the mirror nuclei 47Cr and 47V are performed by means of the Doppler-shift attenuation method using the multidetector array EUROBALL. The determined transition strengths in the yrast cascades are well described by full pf-Shell model calculations and the behaviour of the transition quadrupole moments with increasing spin confirms the nuclear structure and shape changes inferred in earlier works investigating Coulomb energy differences (CED).