Abstract:
The excitation energies of the single-particle normal and intruder levels in both 183Tl and 187Bi were measured for the first time via the α decay of 187Bi produced in the 97Mo(92Mo,pn)187Bi reaction. The previously unobserved 187Bi ground state (h9/2) to 183Tl ground state (s1/2) α transition was identified, establishing the 187Bi intruder state excitation energy to be 112(21) keV, 70 keV less than that of the same level in 189Bi.
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Received: 10 September 1998 / Revised version: 18 December 1998
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Batchelder, J., Toth, K., Bingham, C. et al. Behavior of intruder based states in light Bi and Tl isotopes: the study of 187Bi α decay . EPJ A 5, 49–52 (1999). https://doi.org/10.1007/s100500050255
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DOI: https://doi.org/10.1007/s100500050255