### Abstract

High-accuracy measurements of A_{y}(θ) data for elastic scattering for n+^{209}Bi have been performed at 6 and 9 MeV. The data are incorporated into a large database of σ(θ), A_{y}(θ), and σ_{T} for n+^{209}Bi covering the energy range 1.0-80 MeV. A complementary database is constructed for n+^{208}Pb and a dispersive optical-model analysis is performed for both scattering systems while constraining many of the parameters to be identical for both systems. A good representation of both databases is obtained with conventional geometry and spin-orbit parameters. The ^{208}Pb model predicts quite well the measured energies of valence single-particle and single-hole bound states. Occupation probabilities and spectroscopic factors for the same bound states are also calculated. Finally, a fully constrained model is presented in which the only differences between the n+^{208}Pb and the n+^{209}Bi systems are the Fermi energy and the isospin dependence in the real volume potential.

Original language | English (US) |
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Pages (from-to) | 2410-2428 |

Number of pages | 19 |

Journal | Physical Review C - Nuclear Physics |

Volume | 54 |

Issue number | 5 |

DOIs | |

State | Published - Jan 1 1996 |

### All Science Journal Classification (ASJC) codes

- Nuclear and High Energy Physics

## Fingerprint Dive into the research topics of 'Analyzing power measurements for <sup>209</sup>Bi(n,n) at 6 and 9 MeV and consistent dispersive optical-model analyses for n+<sup>209</sup>Bi and n+<sup>208</sup>Pb from -20 to +80 MeV'. Together they form a unique fingerprint.

## Cite this

^{209}Bi(n,n) at 6 and 9 MeV and consistent dispersive optical-model analyses for n+

^{209}Bi and n+

^{208}Pb from -20 to +80 MeV.

*Physical Review C - Nuclear Physics*,

*54*(5), 2410-2428. https://doi.org/10.1103/PhysRevC.54.2410