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Identification of new astatine isotopes using the gas-filled magnetic separator, Sassy

Thesis/Dissertation ·
OSTI ID:5512886
A He-filled on-line separator system was built at the SuperHILAC and used to study the fusion products in the reaction /sup 56/Fe + /sup 141/Pr. The new neutron-deficient isotopes /sup 194/At and /sup 195/At were produced in this bombardment as three- and two-neutron-out products, respectively, and were identified by the ..cap alpha..-..cap alpha.. time-correlation technique. The measured ..cap alpha.. energies and half lives are 7.20 +/- 0.02 MeV and 180 +/- 80 msec for /sup 194/At, and 7.12 +/- 0.02 MeV and 200 +/- 100 msec for /sup 195/At.
Research Organization:
California Univ., Berkeley (USA)
OSTI ID:
5512886
Country of Publication:
United States
Language:
English