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

doi:10.1103/PhysRevLett.81.4100

The νg²_9/2πp_3/2)_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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6 Citations (Scopus)

Abstract

In deep-inelastic collisions of 8 MeV/nucleon ⁷⁶Ge projectiles with ¹⁹⁸Pt, we have found a T_1/2= 0.25 (3)μs isomer in ⁷¹Cu which decays through a γ-ray cascade of 133-495-939-1189 keV to the πp_3/2 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 νg²_9/2πp_3/2 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 language	English
Pages (from-to)	4100-4103
Number of pages	4
Journal	Physical review letters
Volume	81
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.81.4100
Publication status	Published - Sept 7 1998
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.81.4100

Cite this

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

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.",

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

year = "1998",

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doi = "10.1103/PhysRevLett.81.4100",

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T1 - The νg29/2πp3/2)19/2 - Isomer in 71Cu and the Prediction of its E2 Decay from the Shell Model

AU - Ishii, T.

AU - Asai, M.

AU - Hossain, I.

AU - Kleinheinz, P.

AU - Ogawa, M.

AU - Makishima, A.

AU - Ichikawa, S.

AU - Itoh, M.

AU - Ishii, M.

AU - Blomqvist, J.

PY - 1998/9/7

Y1 - 1998/9/7

N2 - 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.

AB - 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.

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The νg²_9/2πp_3/2)_19/2 - Isomer in ⁷¹Cu and the Prediction of its E2 Decay from the Shell Model

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