The Total Neutron Cross Section of 115-Day Tantalum-182 from 0.01 to 1000 eV

G. E. Stokes; R. P. Schuman; and O. D. Simpson

doi:dx.doi.org/10.13182/NSE68-A20913

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 33 / Number 1

The Total Neutron Cross Section of 115-Day Tantalum-182 from 0.01 to 1000 eV

G. E. Stokes, R. P. Schuman, and O. D. Simpson

Nuclear Science and Engineering / Volume 33 / Number 1 / July 1968 / Pages 16-23

Technical Paper / dx.doi.org/10.13182/NSE68-A20913

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The total neutron cross section of ¹⁸²Ta has been measured from 0.01 to 1000 eV using the MTR fast chopper. The observed total neutron cross section at 0.0253 eV is 8200 ± 600 b. Parameters of individual resonances below 30 eV and average parameters at higher energies give a resonance absorption integral of 943 ± 50 b and a neutron s-wave strength function of (1 ± 0.1) × 10⁻⁴ (eV) ^1/2. The possible use of ¹⁸²Ta as a neutron temperature monitor is discussed.