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Collective oblate dipole rotational bands in 198Pb

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Collective oblate dipole rotational bands in 198Pb. / Clark, R.M.; Wadsworth, R.; Paul, E.S. et al.
In: Nuclear Physics, Section A, Vol. 562, No. 1, 1993, p. 121-156.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Clark, RM, Wadsworth, R, Paul, ES, Beausang, CW, Ali, I, Astier, A, Cullen, DM, Dagnall, PJ, Fallon, P, Joyce, MJ, Meyer, M, Redon, N, Regan, PH, Sharpey-Schafer, JF, Nazarewicz, W & Wyss, R 1993, 'Collective oblate dipole rotational bands in 198Pb', Nuclear Physics, Section A, vol. 562, no. 1, pp. 121-156. https://doi.org/10.1016/0375-9474(93)90036-W

APA

Clark, R. M., Wadsworth, R., Paul, E. S., Beausang, C. W., Ali, I., Astier, A., Cullen, D. M., Dagnall, P. J., Fallon, P., Joyce, M. J., Meyer, M., Redon, N., Regan, P. H., Sharpey-Schafer, J. F., Nazarewicz, W., & Wyss, R. (1993). Collective oblate dipole rotational bands in 198Pb. Nuclear Physics, Section A, 562(1), 121-156. https://doi.org/10.1016/0375-9474(93)90036-W

Vancouver

Clark RM, Wadsworth R, Paul ES, Beausang CW, Ali I, Astier A et al. Collective oblate dipole rotational bands in 198Pb. Nuclear Physics, Section A. 1993;562(1):121-156. doi: 10.1016/0375-9474(93)90036-W

Author

Clark, R.M. ; Wadsworth, R. ; Paul, E.S. et al. / Collective oblate dipole rotational bands in 198Pb. In: Nuclear Physics, Section A. 1993 ; Vol. 562, No. 1. pp. 121-156.

Bibtex

@article{5e80488f281a409aafd35706f4bc37cf,
title = "Collective oblate dipole rotational bands in 198Pb",
abstract = "The nucleus 198Pb was populated via the 186W(17O, 5n)198Pb reaction at beam energies of 92 and 98 MeV. Five collective rotational cascades of ΔI = 1 transitions have been found. Four are highly regular, one much more irregular. The structures are incorporated into a level scheme which extends up to approximately spin 32ħ and an excitation energy of about 10 MeV. Angular correlation measurements confirm the dipole character of the interband transitions. Their M1 multipolarity is inferred, and from this supposition the experimental data are interpreted in terms of oblate high-K two quasiproton configurations coupled to aligned neutron excitations. This interpretation is extended to include other ΔI= 1 oblate structures observed in 194–201Pb. It is shown that the pattern of observed moments of inertia can be understood in the simple unpaired picture involving neutron excitations. The identical bands observed are interpreted in terms of the normal-parity weakly-coupled singlet orbital.",
keywords = "Nuclear reactions",
author = "R.M. Clark and R. Wadsworth and E.S. Paul and C.W. Beausang and I. Ali and A. Astier and D.M. Cullen and P.J. Dagnall and P. Fallon and M.J. Joyce and M. Meyer and N. Redon and P.H. Regan and J.F. Sharpey-Schafer and W. Nazarewicz and R. Wyss",
year = "1993",
doi = "10.1016/0375-9474(93)90036-W",
language = "English",
volume = "562",
pages = "121--156",
journal = "Nuclear Physics, Section A",
number = "1",

}

RIS

TY - JOUR

T1 - Collective oblate dipole rotational bands in 198Pb

AU - Clark, R.M.

AU - Wadsworth, R.

AU - Paul, E.S.

AU - Beausang, C.W.

AU - Ali, I.

AU - Astier, A.

AU - Cullen, D.M.

AU - Dagnall, P.J.

AU - Fallon, P.

AU - Joyce, M.J.

AU - Meyer, M.

AU - Redon, N.

AU - Regan, P.H.

AU - Sharpey-Schafer, J.F.

AU - Nazarewicz, W.

AU - Wyss, R.

PY - 1993

Y1 - 1993

N2 - The nucleus 198Pb was populated via the 186W(17O, 5n)198Pb reaction at beam energies of 92 and 98 MeV. Five collective rotational cascades of ΔI = 1 transitions have been found. Four are highly regular, one much more irregular. The structures are incorporated into a level scheme which extends up to approximately spin 32ħ and an excitation energy of about 10 MeV. Angular correlation measurements confirm the dipole character of the interband transitions. Their M1 multipolarity is inferred, and from this supposition the experimental data are interpreted in terms of oblate high-K two quasiproton configurations coupled to aligned neutron excitations. This interpretation is extended to include other ΔI= 1 oblate structures observed in 194–201Pb. It is shown that the pattern of observed moments of inertia can be understood in the simple unpaired picture involving neutron excitations. The identical bands observed are interpreted in terms of the normal-parity weakly-coupled singlet orbital.

AB - The nucleus 198Pb was populated via the 186W(17O, 5n)198Pb reaction at beam energies of 92 and 98 MeV. Five collective rotational cascades of ΔI = 1 transitions have been found. Four are highly regular, one much more irregular. The structures are incorporated into a level scheme which extends up to approximately spin 32ħ and an excitation energy of about 10 MeV. Angular correlation measurements confirm the dipole character of the interband transitions. Their M1 multipolarity is inferred, and from this supposition the experimental data are interpreted in terms of oblate high-K two quasiproton configurations coupled to aligned neutron excitations. This interpretation is extended to include other ΔI= 1 oblate structures observed in 194–201Pb. It is shown that the pattern of observed moments of inertia can be understood in the simple unpaired picture involving neutron excitations. The identical bands observed are interpreted in terms of the normal-parity weakly-coupled singlet orbital.

KW - Nuclear reactions

U2 - 10.1016/0375-9474(93)90036-W

DO - 10.1016/0375-9474(93)90036-W

M3 - Journal article

VL - 562

SP - 121

EP - 156

JO - Nuclear Physics, Section A

JF - Nuclear Physics, Section A

IS - 1

ER -