Abstract
Abstract Total neutron cross sections of natural titanium were determined from 0.1–1.5 MeV with resolutions of ⪆ 1.5 keV . Differential elastic and inelastic neutron scattering cross sections were measured from 0.3–1.5 MeV with resolutions of ⪆ 10 KeV . The inelastic neutron excitation of states in 46Ti (889 keV), 47Ti (160 keV) and 48Ti (984 keV) was observed. The energy-averaged behavior of the measured results was described in terms of spherical and ellipsoidal optical models and compound-nucleus and direct-reaction processes. The observed fluctuating cross sections were compared with the results of statistical R-matrix calculations based upon the optical model and known resonance statistics. The character of the compound-nucleus fluctuations was found to be strongly influenced by the ellipsoidal deformation of the target nucleus. This fact was used to improve the determination of optical model parameters. Furthermore, the statistical R-matrix calculations displayed an intermediate resonance structure consistent with experimental observation without recourse to additional reaction mechanisms.
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