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Second-forbidden electron-capture decay of sup 55 Fe

Journal Article · · Physical Review, C (Nuclear Physics); (United States)
; ; ; ; ; ; ; ; ;  [1]
  1. Nuclear Science Division, Lawrence Berkeley Laboratory, Berkeley, California 94720 (United States)

Superimposed on the continuous inner-bremsstrahlung spectrum of {sup 55}Fe, we observe a weak {gamma}-ray line at an energy of 126.0 keV. The intensity of this line with respect to the inner-bremsstrahlung spectrum does not change with time. We interpret this {gamma}-ray line to be produced by the second-forbidden nonunique decay of {sup 55}Fe to the first excited state of {sup 55}Mn with a branching of (1.3{plus minus}0.1){times}10{sup {minus}7}%.

DOE Contract Number:
AC03-76SF00098
OSTI ID:
7157210
Journal Information:
Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 46:3; ISSN 0556-2813; ISSN PRVCA
Country of Publication:
United States
Language:
English