THREE-PARTICLE EXCITATION IN Lu$sup 17$$sup 7$
Quantitative e- gamma coincidence measurements showed that all strong transitions were coincident with 3 to 5 others. Estimates of the conversion coefficients show predominant M1 multipole order. Existence of at least two rotational cascades involving three or more levels is indicated. The about the same intensity. The energy ratios correspond to transitions between rotational levels having spins of 7/2, 9/2, 11/2 -and 13/2. The e- gamma coincidence relations support this interpretation and suggest the 282-kev transition as a cross over, whereas a 180-kev gamma in the coincident spectra possibly represents a transition from a 15/2 level. The coincidence measurements also seem to indicate coincidence with the 113- and 208-kev transitions; this is inconsistent with the spin 9/2 for the 321-kev level in Lu/sup 177/. The 123and 149-kev transitions with a 175-kev gamma possibly form a similar cascade built on a level at 412 kev. (L.N.N.)
- Research Organization:
- Univ. of Copenhagen, Denmark
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-028127
- OSTI ID:
- 4784364
- Journal Information:
- Phys. Letters, Journal Name: Phys. Letters Vol. Vol: 1
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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