Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus

S. Flibotte; G. Hackman; Ch Theisen; H. R. Andrews; G. C. Ball; C. W. Beausang; F. A. Beck; G. Belier; M. A. Bentley; T. Byrski; D. Curien; G. De France; D. Disdier; G. Duchêne; P. Fallon; B. Haas; V. P. Janzen; P. M. Jones; B. Kharraja; J. A. Kuehner; J. C. Lisle; J. C. Merdinger; S. M. Mullins; E. S. Paul; D. Prévost; D. C. Radford; V. Rauch; J. F. Smith; J. Styczen; P. J. Twin; J. P. Vivien; J. C. Waddington; D. Ward; K. Zuber

doi:10.1103/PhysRevLett.71.688

Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus

S. Flibotte, G. Hackman, Ch Theisen, H. R. Andrews, G. C. Ball, C. W. Beausang, F. A. Beck, G. Belier, M. A. Bentley, T. Byrski, D. Curien, G. De France, D. Disdier, G. Duchêne, P. Fallon, B. Haas, V. P. Janzen, P. M. Jones, B. Kharraja, J. A. KuehnerJ. C. Lisle, J. C. Merdinger, S. M. Mullins, E. S. Paul, D. Prévost, D. C. Radford, V. Rauch, J. F. Smith, J. Styczen, P. J. Twin, J. P. Vivien, J. C. Waddington, D. Ward, K. Zuber

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Abstract

Eight superdeformed rotational bands have been observed in the Gd149 nucleus. Several excited bands have partners in neighboring nuclei which differ by up to four nucleons, with nearly identical dynamic moments of inertia and quantized γ-ray phasing. These observations cannot be easily explained by theoretical models including an intrinsic scaling with mass of the moment of inertia. A paired backbend and an interaction due to an accidental degeneracy between two superdeformed levels have also been observed.

Original language	English
Pages (from-to)	688-691
Number of pages	4
Journal	Physical Review Letters
Volume	71
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.71.688
State	Published - 1993
Externally published	Yes

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Flibotte, S., Hackman, G., Theisen, C., Andrews, H. R., Ball, G. C., Beausang, C. W., Beck, F. A., Belier, G., Bentley, M. A., Byrski, T., Curien, D., De France, G., Disdier, D., Duchêne, G., Fallon, P., Haas, B., Janzen, V. P., Jones, P. M., Kharraja, B., ... Zuber, K. (1993). Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus. Physical Review Letters, 71(5), 688-691. https://doi.org/10.1103/PhysRevLett.71.688

@article{ca09422477034b5a98fce722fa4d279b,

title = "Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus",

abstract = "Eight superdeformed rotational bands have been observed in the Gd149 nucleus. Several excited bands have partners in neighboring nuclei which differ by up to four nucleons, with nearly identical dynamic moments of inertia and quantized γ-ray phasing. These observations cannot be easily explained by theoretical models including an intrinsic scaling with mass of the moment of inertia. A paired backbend and an interaction due to an accidental degeneracy between two superdeformed levels have also been observed.",

author = "S. Flibotte and G. Hackman and Ch Theisen and Andrews, {H. R.} and Ball, {G. C.} and Beausang, {C. W.} and Beck, {F. A.} and G. Belier and Bentley, {M. A.} and T. Byrski and D. Curien and {De France}, G. and D. Disdier and G. Duch{\^e}ne and P. Fallon and B. Haas and Janzen, {V. P.} and Jones, {P. M.} and B. Kharraja and Kuehner, {J. A.} and Lisle, {J. C.} and Merdinger, {J. C.} and Mullins, {S. M.} and Paul, {E. S.} and D. Pr{\'e}vost and Radford, {D. C.} and V. Rauch and Smith, {J. F.} and J. Styczen and Twin, {P. J.} and Vivien, {J. P.} and Waddington, {J. C.} and D. Ward and K. Zuber",

year = "1993",

doi = "10.1103/PhysRevLett.71.688",

language = "English",

volume = "71",

pages = "688--691",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

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}

Flibotte, S, Hackman, G, Theisen, C, Andrews, HR, Ball, GC, Beausang, CW, Beck, FA, Belier, G, Bentley, MA, Byrski, T, Curien, D, De France, G, Disdier, D, Duchêne, G, Fallon, P, Haas, B, Janzen, VP, Jones, PM, Kharraja, B, Kuehner, JA, Lisle, JC, Merdinger, JC, Mullins, SM, Paul, ES, Prévost, D, Radford, DC, Rauch, V, Smith, JF, Styczen, J, Twin, PJ, Vivien, JP, Waddington, JC, Ward, D & Zuber, K 1993, 'Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus', Physical Review Letters, vol. 71, no. 5, pp. 688-691. https://doi.org/10.1103/PhysRevLett.71.688

TY - JOUR

T1 - Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus

AU - Flibotte, S.

AU - Hackman, G.

AU - Theisen, Ch

AU - Andrews, H. R.

AU - Ball, G. C.

AU - Beausang, C. W.

AU - Beck, F. A.

AU - Belier, G.

AU - Bentley, M. A.

AU - Byrski, T.

AU - Curien, D.

AU - De France, G.

AU - Disdier, D.

AU - Duchêne, G.

AU - Fallon, P.

AU - Haas, B.

AU - Janzen, V. P.

AU - Jones, P. M.

AU - Kharraja, B.

AU - Kuehner, J. A.

AU - Lisle, J. C.

AU - Merdinger, J. C.

AU - Mullins, S. M.

AU - Paul, E. S.

AU - Prévost, D.

AU - Radford, D. C.

AU - Rauch, V.

AU - Smith, J. F.

AU - Styczen, J.

AU - Twin, P. J.

AU - Vivien, J. P.

AU - Waddington, J. C.

AU - Ward, D.

AU - Zuber, K.

PY - 1993

Y1 - 1993

N2 - Eight superdeformed rotational bands have been observed in the Gd149 nucleus. Several excited bands have partners in neighboring nuclei which differ by up to four nucleons, with nearly identical dynamic moments of inertia and quantized γ-ray phasing. These observations cannot be easily explained by theoretical models including an intrinsic scaling with mass of the moment of inertia. A paired backbend and an interaction due to an accidental degeneracy between two superdeformed levels have also been observed.

AB - Eight superdeformed rotational bands have been observed in the Gd149 nucleus. Several excited bands have partners in neighboring nuclei which differ by up to four nucleons, with nearly identical dynamic moments of inertia and quantized γ-ray phasing. These observations cannot be easily explained by theoretical models including an intrinsic scaling with mass of the moment of inertia. A paired backbend and an interaction due to an accidental degeneracy between two superdeformed levels have also been observed.

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DO - 10.1103/PhysRevLett.71.688

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VL - 71

SP - 688

EP - 691

JO - Physical Review Letters

JF - Physical Review Letters

IS - 5

ER -

Multiparticle excitations and identical bands in the superdeformed Gd149 nucleus

Abstract

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