The νg29/2πp3/2)19/2 - Isomer in 71Cu and the Prediction of its E2 Decay from the Shell Model

T. Ishii, M. Asai, I. Hossain, P. Kleinheinz, M. Ogawa, A. Makishima, S. Ichikawa, M. Itoh, M. Ishii, J. Blomqvist

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Abstract

In deep-inelastic collisions of 8 MeV/nucleon 76Ge projectiles with 198Pt, we have found a T1/2= 0.25 (3)μs isomer in 71Cu which decays through a γ-ray cascade of 133-495-939-1189 keV to the πp3/2 ground state.The detector setup records the γ rays of the isomeric decay as well as data on the fragment which provide its isotopic assignment.The new 71Cu levels are firmly assigned as the five yrast states of the νg29/2πp3/2 configuration; a parameter-free shell model calculation using the two-body residual interactions as observed in 70Cu and 70Ni predicts the 71Cu data with excellent accuracy.

Original languageEnglish
Pages (from-to)4100-4103
Number of pages4
JournalPhysical Review Letters
Volume81
Issue number19
DOIs
Publication statusPublished - Sep 7 1998

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rays
isomers
yrast state
inelastic collisions
decay
predictions
projectiles
cascades
fragments
ground state
detectors
configurations
interactions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Ishii, T., Asai, M., Hossain, I., Kleinheinz, P., Ogawa, M., Makishima, A., ... Blomqvist, J. (1998). The νg29/2πp3/2)19/2 - Isomer in 71Cu and the Prediction of its E2 Decay from the Shell Model. Physical Review Letters, 81(19), 4100-4103. https://doi.org/10.1103/PhysRevLett.81.4100

The νg29/2πp3/2)19/2 - Isomer in 71Cu and the Prediction of its E2 Decay from the Shell Model. / Ishii, T.; Asai, M.; Hossain, I.; Kleinheinz, P.; Ogawa, M.; Makishima, A.; Ichikawa, S.; Itoh, M.; Ishii, M.; Blomqvist, J.

In: Physical Review Letters, Vol. 81, No. 19, 07.09.1998, p. 4100-4103.

Research output: Contribution to journalArticle

Ishii, T, Asai, M, Hossain, I, Kleinheinz, P, Ogawa, M, Makishima, A, Ichikawa, S, Itoh, M, Ishii, M & Blomqvist, J 1998, 'The νg29/2πp3/2)19/2 - Isomer in 71Cu and the Prediction of its E2 Decay from the Shell Model', Physical Review Letters, vol. 81, no. 19, pp. 4100-4103. https://doi.org/10.1103/PhysRevLett.81.4100
Ishii, T. ; Asai, M. ; Hossain, I. ; Kleinheinz, P. ; Ogawa, M. ; Makishima, A. ; Ichikawa, S. ; Itoh, M. ; Ishii, M. ; Blomqvist, J. / The νg29/2πp3/2)19/2 - Isomer in 71Cu and the Prediction of its E2 Decay from the Shell Model. In: Physical Review Letters. 1998 ; Vol. 81, No. 19. pp. 4100-4103.
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