Phys.Rev. C 93, 014611 (2016)

B.Champine, M.E.Gooden, Krishichayan, E.B.Norman, N.D.Scielzo, M.A.Stoyer, K.J.Thomas, A.P.Tonchev, W.Tornow, B.S.Wang

Measurement of the ¹⁶⁹Tm(n, 3n)¹⁶⁷Tm cross section and the associated branching ratios in the decay of ¹⁶⁷Tm

NUCLEAR REACTIONS ¹⁶⁹Tm(n, 3n), ⁵⁸Ni, ⁹⁰Zr, ¹⁶⁹Tm(n, 2n), ⁹⁴Zr(n, α), E=17.35, 18.34, 19.33, 20.32, 21.31 MeV, [quasimonoenergetic neutrons from ²H(d, n), E=15.0-19.2 at TUNL tandem Van de Graaff accelerator]; measured neutron spectra, Eγ, Iγ, σ(E) by activation method. Comparison with previous experimental data, compiled data in EXFOR database and evaluated data in ENDF database. Relevance to measurement of yield of reaction-in-flight neutrons at the LLNL National Ignition Facility (NIF).

RADIOACTIVITY ¹⁶⁷Tm(EC)[from ¹⁶⁵Ho(α, 2n), E=29 MeV at LBNL cyclotron facility]; measured Eγ, Iγ, I(x rays), source activity; deduced branching ratios of 207.8-keV and 531.5-keV γ rays. Comparison with previous experimental values and evaluated data.

doi: 10.1103/PhysRevC.93.014611