The nucleus As populated in the neutron-induced fission of ' t . was studied via prompt y -ray spectroscopy using the EXILL Ge array at the cold-neutron beam PF1B of ILL Grenoble. The level scheme is reviewed. The 2779.0-keV level is tentatively assigned spin (9/2+) as the ng^/i excitation, based on systematics and available shell-model calculations.
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