Crabb, D.G.
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Elastic neutron scattering at 96 MeV from 12C and Pb-208

Klug, J. ; Blomgren, J. ; Atac, A. ; et al.
Phys.Rev.C 68 (2003) 064605, 2003.
Inspire Record 640465 DOI 10.17182/hepdata.25267

A facility for detection of scattered neutrons in the energy interval 50–130MeV, SCANDAL, has recently been installed at the 20–180MeV neutron beam line of the The Svedberg Laboratory, Uppsala. Elastic neutron scattering from C12 and Pb208 has been studied at 96MeV in the 10°–70° interval. The achieved energy resolution, 3.7MeV, is about an order of magnitude better than for any previous experiment above 65MeV incident energy. The present experiment represents the highest neutron energy where the ground state has been resolved from the first excited state in neutron scattering. A novel method for normalization of the absolute scale of the cross section has been used. The estimated normalization uncertainty, 3%, is unprecedented for a neutron-induced differential cross section measurement on a nuclear target. The results are compared with modern optical model predictions based on phenomenology or microscopic nuclear theory.

2 data tables match query
Table 1

Measured differential cross section for elastic scattering on PB208. The first DSYS systematic error is from the uncertainty in the contributions from multiple scattering corrections and the second DSYS refers to the cross section uncertainty due to the uncertainty in the angle measurement.

Table 2

Measured differential cross section for elastic scattering on C12. The first DSYS systematic error is from the uncertainty in the contributions from multiple scattering corrections and the second DSYS refers to the cross section uncertainty due to the uncertainty in the angle measurement.