Interplay between Single-Particle and Collective Effects in the Odd-A Cu Isotopes beyond N=40

I. Stefanescu; G. Georgiev; D. L. Balabanski; N. Blasi; A. Blazhev; N. Bree; J. Cederkäll; T. E. Cocolios; T. Davinson; J. Diriken; J. Eberth; A. Ekström; D. Fedorov; V. N. Fedosseev; L. M. Fraile; S. Franchoo; K. Gladnishki; M. Huyse; O. Ivanov; V. Ivanov; J. Iwanicki; J. Jolie; T. Konstantinopoulos; Th. Kröll; R. Krücken; U. Köster; A. Lagoyannis; G. Lo Bianco; P. Maierbeck; B. A. Marsh; P. Napiorkowski; N. Patronis; D. Pauwels; G. Rainovski; P. Reiter; K. Riisager; M. Seliverstov; G. Sletten; J. van de Walle; P. van Duppen; D. Voulot; N. Warr; F. Wenander; K. Wrzosek

doi:10.1103/PhysRevLett.100.112502

Journal Articles Physical Review Letters Year : 2008

Interplay between Single-Particle and Collective Effects in the Odd-A Cu Isotopes beyond N=40

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I. Stefanescu

Function : Author

G. Georgiev

Function : Author
PersonId : 739360
IdHAL : georgi-georgiev
ORCID : 0000-0003-1467-1764
IdRef : 16859188X

Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse

D. L. Balabanski

Function : Author

N. Blasi

Function : Author

A. Blazhev

Function : Author

N. Bree

Function : Author

J. Cederkäll

Function : Author

T. E. Cocolios

Function : Author

T. Davinson

Function : Author

J. Diriken

Function : Author

J. Eberth

Function : Author

A. Ekström

Function : Author

D. Fedorov

Function : Author

V. N. Fedosseev

Function : Author

L. M. Fraile

Function : Author

S. Franchoo

Function : Author

Institut de Physique Nucléaire d'Orsay

K. Gladnishki

Function : Author

M. Huyse

Function : Author

O. Ivanov

Function : Author

V. Ivanov

Function : Author

J. Iwanicki

Function : Author

J. Jolie

Function : Author

T. Konstantinopoulos

Function : Author

Th. Kröll

Function : Author

R. Krücken

Function : Author
PersonId : 755533
ORCID : 0000-0002-2755-8042

U. Köster

Function : Author

A. Lagoyannis

Function : Author

G. Lo Bianco

Function : Author

P. Maierbeck

Function : Author

B. A. Marsh

Function : Author

P. Napiorkowski

Function : Author

N. Patronis

Function : Author

D. Pauwels

Function : Author

G. Rainovski

Function : Author

P. Reiter

Function : Author

K. Riisager

Function : Author

M. Seliverstov

Function : Author

G. Sletten

Function : Author

J. van de Walle

Function : Author

P. van Duppen

Function : Author

D. Voulot

Function : Author

N. Warr

Function : Author

F. Wenander

Function : Author

K. Wrzosek

Function : Author

Abstract

Collective properties of the low-lying levels in the odd-A 67–73Cu were investigated by Coulomb excitation with radioactive beams. The beams were produced at ISOLDE and postaccelerated by REX-ISOLDE up to 2.99 MeV/u. In 67,69Cu, low-lying 1/2-, 5/2-, and 7/2- states were populated. In 71,73Cu, besides the known transitions deexciting the single-particle-like 5/2- and core-coupled 7/2- levels, gamma rays of 454 and 135 keV, respectively, were observed for the first time. Based on a reanalysis of beta-decay work and comparison with the systematics, a spin 1/2- is suggested for these excited states. Three B(E2) values were determined in each of the four isotopes. The results indicate a significant change in the structure of the odd-A Cu isotopes beyond N=40 where single-particle-like and collective levels are suggested to coexist at very low excitation energies.

Domains

Nuclear Experiment [nucl-ex]

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https://in2p3.hal.science/in2p3-00273588

Submitted on : Tuesday, April 15, 2008-4:32:46 PM

Last modification on : Thursday, April 11, 2024-1:18:11 PM

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in2p3-00273588 , version 1 (15-04-2008)

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HAL Id : in2p3-00273588 , version 1
DOI : 10.1103/PhysRevLett.100.112502

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I. Stefanescu, G. Georgiev, D. L. Balabanski, N. Blasi, A. Blazhev, et al.. Interplay between Single-Particle and Collective Effects in the Odd-A Cu Isotopes beyond N=40. Physical Review Letters, 2008, 100, pp.112502. ⟨10.1103/PhysRevLett.100.112502⟩. ⟨in2p3-00273588⟩

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Interplay between Single-Particle and Collective Effects in the Odd-A Cu Isotopes beyond N=40

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