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1996•Physics Letters BOpen access

Single step links of the superdeformed band in 194Pb: a measure of the absolute excitation energy, spin and parity of the superdeformed states

Araceli Lopez-Martens, F. Hannachi, A. Korichi, Carsten Schuck, E. Gueorguieva, Ch. Vieu, Bernard Haas, R. Lucas, A. Astier, G. Baldsiefen, Michael P. Carpenter, G. de France, R. Duffait, L. Ducroux, Y. Le Coz, C. Finck, A. Görgen, H. Hübel, T. L. Khoo, Torben Lauritsen, M. Meyer, D. Prévost, N. Redon, C. Rigollet, H. Savajols, J.F. Sharpey-Schafer, O. Stezowski, Ch. Theisen, U. J. van Severen, J. P. Vivien, A. N. Wilson

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Abstract

The EUROGAM array has been used to investigate the decay out of the yrast superdeformed (SD) band in 194 Pb. Six single step decays from the lowest observed SD states to low-lying states at normal deformation (ND) have been identified. From this observation, the excitation energy of the SD band in 194 Pb is established at 4877 ± 1.5 keV for the 6 + SD state. The most probable spins and parities of all members of the SD band are also deduced assuming that the SD states have even spin and positive parity.

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The EUROGAM array has been used to investigate the decay out of the yrast superdeformed (SD) band in 194 Pb. Six single step decays from the lowest observed SD states to low-lying states at normal deformation (ND) have been identified. From this observation, the excitation energy of the SD band in 194 Pb is established at 4877 ± 1.5 keV for the 6 + SD state. The most probable spins and parities of all members of the SD band are also deduced assuming that the SD states have even spin and positive parity.

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Available abstract

The EUROGAM array has been used to investigate the decay out of the yrast superdeformed (SD) band in 194 Pb. Six single step decays from the lowest observed SD states to low-lying states at normal deformation (ND) have been identified. From this observation, the excitation energy of the SD band in 194 Pb is established at 4877 ± 1.5 keV for the 6 + SD state. The most probable spins and parities of all members of the SD band are also deduced assuming that the SD states have even spin and positive parity.

Key concepts: Physics, Yrast, Spins, Excitation, Parity (physics), Atomic physics, Spin states, Spin (aerodynamics)

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Single step links of the superdeformed band in 194Pb: a measure of the absolute excitation energy, spin and parity of the superdeformed states — Research Paper | ScholarLens