Lifetime measurements of high-spin states in 101Ag and their interpretation in the interacting boson fermion plus broken pair model

E. Galindo, M. Hausmann, A. Jungclaus, D. Kast, K. P. Lieb, G. A. Müller, O. Yordanov, S. Brant, D. Vretenar, A. Algora, F. Brandolini, G. De Angelis, M. De Poli, C. Fahlander, A. Gadea, T. Martinez, D. R. Napoli, A. Dewald, R. Peusquens, H. TieslerM. Górska, H. Grawe, P. G. Bizzeti, P. Sona, G. Bonsignori

Research output: Contribution to journalArticle

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Abstract

Lifetimes of some 20 high-spin states in 101Ag in the range between 0.2 and 200 ps have been measured using various Doppler shift techniques. The states have been populated in the reaction 58Ni(50Cr,α3p) at 200-205 MeV beam energy and their decays observed by means of the GASP array. For many states, the problem of their unknown side-feeding times has been circumvented by using the DDCM and NGTB γγ-coincidence methods. A total of some 60 reduced transition strengths or limits of them has been deduced. Moderately enhanced electric quadrupole transitions (up to 30 W.u.) have been derived as well as rather strong stretched magnetic dipole transitions within the negative parity yrast sequence (0.2-0.7) W.u. An attempt has been made to interpret the level energies and electromagnetic transitions within the interacting boson fermion plus broken pair model.

Original languageEnglish
Article number034304
Pages (from-to)343041-3430411
Number of pages3087371
JournalPhysical Review C - Nuclear Physics
Volume64
Issue number3
DOIs
Publication statusPublished - Sep 2001

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Galindo, E., Hausmann, M., Jungclaus, A., Kast, D., Lieb, K. P., Müller, G. A., Yordanov, O., Brant, S., Vretenar, D., Algora, A., Brandolini, F., De Angelis, G., De Poli, M., Fahlander, C., Gadea, A., Martinez, T., Napoli, D. R., Dewald, A., Peusquens, R., ... Bonsignori, G. (2001). Lifetime measurements of high-spin states in 101Ag and their interpretation in the interacting boson fermion plus broken pair model. Physical Review C - Nuclear Physics, 64(3), 343041-3430411. [034304]. https://doi.org/10.1103/PhysRevC.64.034304