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Neutron scattering and models: chromium

A B Smith-+,++ and D Schmidt§

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Neutron elastic-scattering cross sections of elemental chromium are measured from 4.5 - 10 MeV in steps of MeV and at scattering angles distributed between and . Concurrently cross sections for the inelastic neutron-excitation of the yrast (1.434 MeV) level in are determined. The experimental results are combined with lower-energy values previously reported from this group and with results from the literature to form an extensive scattering database which is interpreted in the context of spherical-optical and coupled-channels models. The physical implications of the measurements and models are discussed including; deformation, coupling, dispersive and asymmetry effects.


PACS

25.40.Dn Elastic neutron scattering

21.10.Re Collective levels

24.10.Eq Coupled-channel and distorted-wave models

27.40.+z 39(less-than-or-equal-to)A(less-than-or-equal-to)58

24.10.Ht Optical and diffraction models

Subjects

Nuclear physics

Dates

Issue 2 (February 1997)

Received 17 September 1996



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