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Mass and beta decay of /sup 59/Mn

Journal Article · · Phys. Rev., C; (United States)
/sup 59/Mn was produced using the /sup 48/Ca(/sup 13/C,pn)/sup 59/Mn reaction at E13/sub C/ = 26 MeV. ..gamma.. rays from the decay of /sup 59/Mn were observed in singles and coincidence experiments using large Ge(Li) detectors after the targets were transferred to a shielded counting area by a multiple-target pneumatic transfer system. Assignment of ..gamma.. rays to transitions in /sup 59/Mn was confirmed by performing an /sup 58/Fe(d,p..gamma..)/sup 59/Fe experiment. The half-life of /sup 59/Mn was determined to be 4.6 +- 0.1 s. The results of this work limit the ground-state spin of /sup 59/Mn to 5/2/sup -/ or 3/2/sup -/. Theoretical and systematic considerations favor 5/2/sup -/. The total ..beta.. decay energy, Q/sub ..beta../was measured to be 5.2 +- 0.1 MeV, which corresponds to a mass excess of -55.5 +- 0.1 MeV.
Research Organization:
Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
OSTI ID:
7218402
Journal Information:
Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 16:1; ISSN PRVCA
Country of Publication:
United States
Language:
English