Decay out of the highly deformed band in $^{133}\mathrm{Nd}$

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Decay out of the highly deformed band in ${}^{133}{Nd}$

R. Peusquens, R. S. Chakrawarthy, A. Dewald, P. Petkov, P. von Brentano, R. Krücken, S. Kasemann, H. Tiesler, K. O. Zell, S. Lunardi, D. Bazzacco, F. Brandolini, N. H. Medina, P. Pavan, C. M. Petrache, C. Rossi-Alvarez, G. de Angelis, G. Maron, M. de Poli, and D. R. Napoli

Phys. Rev. C 72, 031304(R) – Published 30 September 2005

Abstract

The mean lifetimes of the ${25 / 2}^{+}$ , ${21 / 2}^{+}$ , and ${17 / 2}^{+}$ states in the highly deformed (HD) band of ${}^{133}{Nd}$ , excited via the reaction ${}^{104}{Pd}$ ( ${}^{32}S$ ,2 $pn$ ) ${}^{133}{Nd}$ , have been measured using a recoil distance Doppler-shift method. The decay out of the HD band occurs as a result of an admixture of normally deformed (ND) components into the HD states’ wave function. The consistency in the mixing amplitude was assessed from the measured lifetimes, branching ratios, and quadrupole moments of the HD and the ND bands. This analysis unequivocally confirms the earlier approach to explain the decay-out mechanism.

Received 13 July 2005

DOI:https://doi.org/10.1103/PhysRevC.72.031304

Authors & Affiliations

R. Peusquens, R. S. Chakrawarthy^*, A. Dewald, P. Petkov^†, P. von Brentano, R. Krücken^‡, S. Kasemann, H. Tiesler, and K. O. Zell

Institut für Kernphysik der Universität zu Köln, Zülpicher Strasse 77, D-50937 Köln, Germany

S. Lunardi, D. Bazzacco, F. Brandolini, N. H. Medina^§, P. Pavan, C. M. Petrache^∥, and C. Rossi-Alvarez

Departimento di Fisica dell’ Universitá, Sezione di Padova, I-35131 Padova, Italy

G. de Angelis, G. Maron, M. de Poli, and D. R. Napoli

INFN, Laboratori Nazionali di Legnaro, I-35020 Legnaro, Italy

^*Present address: TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada.
^†Also at Institute for Nuclear Research and Nuclear Energy, 1784 Sofia, Bulgaria.
^‡Present address: Technical University of Munich, James-Franck Strasse, D-85748 Garching, Germany.
^§Present address: Instituto de Fisica, Universidade de Sao Paulo, Sao Paulo, SP 05315-970, Brazil.
^∥Present address: Department of Physics, University of Camerino, Camerino, Italy.

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Vol. 72, Iss. 3 — September 2005

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Physical Review C

covering nuclear physics

Decay out of the highly deformed band in ${}^{133}{Nd}$

R. Peusquens, R. S. Chakrawarthy, A. Dewald, P. Petkov, P. von Brentano, R. Krücken, S. Kasemann, H. Tiesler, K. O. Zell, S. Lunardi, D. Bazzacco, F. Brandolini, N. H. Medina, P. Pavan, C. M. Petrache, C. Rossi-Alvarez, G. de Angelis, G. Maron, M. de Poli, and D. R. Napoli

Phys. Rev. C 72, 031304(R) – Published 30 September 2005

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Physical Review C

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Decay out of the highly deformed band in Nd133

R. Peusquens, R. S. Chakrawarthy, A. Dewald, P. Petkov, P. von Brentano, R. Krücken, S. Kasemann, H. Tiesler, K. O. Zell, S. Lunardi, D. Bazzacco, F. Brandolini, N. H. Medina, P. Pavan, C. M. Petrache, C. Rossi-Alvarez, G. de Angelis, G. Maron, M. de Poli, and D. R. Napoli

Phys. Rev. C 72, 031304(R) – Published 30 September 2005

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Decay out of the highly deformed band in ${}^{133}{Nd}$