Lifetime measurements in Nb93 from photon and inelastic neutron scattering

J. N. Orce; C. Fransen; A. Linnemann; C. J. McKay; S. R. Lesher; N. Pietralla; V. Werner; G. Friessner; C. Kohstall; D. Mücher; H. H. Pitz; M. Scheck; C. Scholl; F. Stedile; N. Warr; S. Walter; P. Von Brentano; U. Kneissl; M. T. McEllistrem; S. W. Yates

doi:10.1103/PhysRevC.75.014303

Lifetime measurements in Nb93 from photon and inelastic neutron scattering

J. N. Orce, C. Fransen, A. Linnemann, C. J. McKay, S. R. Lesher, N. Pietralla, V. Werner, G. Friessner, C. Kohstall, D. Mücher, H. H. Pitz, M. Scheck, C. Scholl, F. Stedile, N. Warr, S. Walter, P. Von Brentano, U. Kneissl, M. T. McEllistrem, S. W. Yates

Chemistry

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Abstract

The low-spin structure of Nb93 has been studied using the Nb93(I ,I '), Nb93(n,n'I ) and Zr94(p,2nI I )Nb93 reactions. Lifetimes were determined from both Nb93(I ,I ') and Nb93(n,n'I ) measurements. Branching ratios were measured, and multipolarities and spin assignments were determined from the Zr94(p,2nI I )Nb93 angular correlation experiment. From M1 and E2 strengths, the JÏ€=9/2+ and 7/2+ states at 1297.1 keV and 1483.6 keV, respectively, are proposed as members of the quintet of mixed-symmetry states associated with the Ï€1g9/2a (21,MS+,Zr92) configuration. The large B(M1) values determined in Nb93 cannot be explained within the weak coupling limit of the interacting boson fermion model.

Original language	English
Article number	014303
Journal	Physical Review C - Nuclear Physics
Volume	75
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.75.014303
State	Published - 2007

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.75.014303

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Orce, J. N., Fransen, C., Linnemann, A., McKay, C. J., Lesher, S. R., Pietralla, N., Werner, V., Friessner, G., Kohstall, C., Mücher, D., Pitz, H. H., Scheck, M., Scholl, C., Stedile, F., Warr, N., Walter, S., Von Brentano, P., Kneissl, U., McEllistrem, M. T., & Yates, S. W. (2007). Lifetime measurements in Nb93 from photon and inelastic neutron scattering. Physical Review C - Nuclear Physics, 75(1), Article 014303. https://doi.org/10.1103/PhysRevC.75.014303

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title = "Lifetime measurements in Nb93 from photon and inelastic neutron scattering",

abstract = "The low-spin structure of Nb93 has been studied using the Nb93(I ,I '), Nb93(n,n'I ) and Zr94(p,2nI I )Nb93 reactions. Lifetimes were determined from both Nb93(I ,I ') and Nb93(n,n'I ) measurements. Branching ratios were measured, and multipolarities and spin assignments were determined from the Zr94(p,2nI I )Nb93 angular correlation experiment. From M1 and E2 strengths, the J{\"I}€=9/2+ and 7/2+ states at 1297.1 keV and 1483.6 keV, respectively, are proposed as members of the quintet of mixed-symmetry states associated with the {\"I}€1g9/2a (21,MS+,Zr92) configuration. The large B(M1) values determined in Nb93 cannot be explained within the weak coupling limit of the interacting boson fermion model.",

author = "Orce, {J. N.} and C. Fransen and A. Linnemann and McKay, {C. J.} and Lesher, {S. R.} and N. Pietralla and V. Werner and G. Friessner and C. Kohstall and D. M{\"u}cher and Pitz, {H. H.} and M. Scheck and C. Scholl and F. Stedile and N. Warr and S. Walter and {Von Brentano}, P. and U. Kneissl and McEllistrem, {M. T.} and Yates, {S. W.}",

year = "2007",

doi = "10.1103/PhysRevC.75.014303",

language = "English",

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Orce, JN, Fransen, C, Linnemann, A, McKay, CJ, Lesher, SR, Pietralla, N, Werner, V, Friessner, G, Kohstall, C, Mücher, D, Pitz, HH, Scheck, M, Scholl, C, Stedile, F, Warr, N, Walter, S, Von Brentano, P, Kneissl, U, McEllistrem, MT & Yates, SW 2007, 'Lifetime measurements in Nb93 from photon and inelastic neutron scattering', Physical Review C - Nuclear Physics, vol. 75, no. 1, 014303. https://doi.org/10.1103/PhysRevC.75.014303

TY - JOUR

T1 - Lifetime measurements in Nb93 from photon and inelastic neutron scattering

AU - Orce, J. N.

AU - Fransen, C.

AU - Linnemann, A.

AU - McKay, C. J.

AU - Lesher, S. R.

AU - Pietralla, N.

AU - Werner, V.

AU - Friessner, G.

AU - Kohstall, C.

AU - Mücher, D.

AU - Pitz, H. H.

AU - Scheck, M.

AU - Scholl, C.

AU - Stedile, F.

AU - Warr, N.

AU - Walter, S.

AU - Von Brentano, P.

AU - Kneissl, U.

AU - McEllistrem, M. T.

AU - Yates, S. W.

PY - 2007

Y1 - 2007

N2 - The low-spin structure of Nb93 has been studied using the Nb93(I ,I '), Nb93(n,n'I ) and Zr94(p,2nI I )Nb93 reactions. Lifetimes were determined from both Nb93(I ,I ') and Nb93(n,n'I ) measurements. Branching ratios were measured, and multipolarities and spin assignments were determined from the Zr94(p,2nI I )Nb93 angular correlation experiment. From M1 and E2 strengths, the JÏ€=9/2+ and 7/2+ states at 1297.1 keV and 1483.6 keV, respectively, are proposed as members of the quintet of mixed-symmetry states associated with the Ï€1g9/2a (21,MS+,Zr92) configuration. The large B(M1) values determined in Nb93 cannot be explained within the weak coupling limit of the interacting boson fermion model.

AB - The low-spin structure of Nb93 has been studied using the Nb93(I ,I '), Nb93(n,n'I ) and Zr94(p,2nI I )Nb93 reactions. Lifetimes were determined from both Nb93(I ,I ') and Nb93(n,n'I ) measurements. Branching ratios were measured, and multipolarities and spin assignments were determined from the Zr94(p,2nI I )Nb93 angular correlation experiment. From M1 and E2 strengths, the JÏ€=9/2+ and 7/2+ states at 1297.1 keV and 1483.6 keV, respectively, are proposed as members of the quintet of mixed-symmetry states associated with the Ï€1g9/2a (21,MS+,Zr92) configuration. The large B(M1) values determined in Nb93 cannot be explained within the weak coupling limit of the interacting boson fermion model.

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DO - 10.1103/PhysRevC.75.014303

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JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 1

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ER -

Lifetime measurements in Nb93 from photon and inelastic neutron scattering

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