Analysing power for 12C(n,n0,1)12C and evaluation of n-12C scattering at 18.2 MeV

W. Tornow, C. R. Howell, H. G. Pfutzner, M. L. Roberts, P. D. Felsher, Z. M. Chen, M. Al Ohali, G. J. Weisel, R. L. Walter, A. A. Naqvi

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Abstract

The analysing power Ay( theta ) for 12C(n,n) 12C elastic scattering and for inelastic scattering to the first excited state (Jpi=2+, Q=-4.44 MeV) of 12C was measured at 18.2 MeV. A pulsed polarised neutron beam was produced via the 2H(d,n)3He polarisation transfer reaction. The A y data, together with published cross sections, were analysed in the framework of the spherical optical model and in the coupled-channels formalism. A phase-shift analysis at 18.2 MeV gives supporting evidence for a broad 5/2+ resonance. The 12C recoil kerma factors and values for the n+12C reaction cross section were deduced and compared with previous estimates and predictions.

Original languageEnglish (US)
Article number009
Pages (from-to)49-64
Number of pages16
JournalJournal of Physics G: Nuclear Physics
Volume14
Issue number1
DOIs
StatePublished - Dec 1 1988

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy(all)

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