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A Measurement of the Total Neutron Cross Section of Iron-58 in the Energy Range from 7 to 325 keV

H. Beer, Ly Di Hong, F. Käppeler

Nuclear Science and Engineering / Volume 67 / Number 2 / August 1978 / Pages 184-189

Technical Paper / dx.doi.org/10.13182/NSE78-A15435

The total neutron cross section of 58Fe has been determined in the energy range from 7 to 325 keV by a transmission measurement using samples enriched in the 58Fe isotope. The data have been shape-fitted by means of an R matrix multilevel formalism to extract resonance parameters for s and l > 0 wave resonances. The s-wave strength function was determined to S0 = (4.3 ± 1.9) × 10-4.