Relativistic microscopic optical potential of the nucleon-nucleus scattering isobtained from the relativistic Brueckner-Bethe-Goldstone(RBBG)equation.The com-plex effective mass of a nucleon in the medium is phenome...Relativistic microscopic optical potential of the nucleon-nucleus scattering isobtained from the relativistic Brueckner-Bethe-Goldstone(RBBG)equation.The com-plex effective mass of a nucleon in the medium is phenomenologically determined by afit to P-<sup>40</sup>Ca scattering data at E<sub>p</sub>=200 MeV.The behavior of the optical potential witha complex effective mass for P-<sup>40</sup>Ca scattering at E<sub>p</sub>=200 MeV is compared with that ofa real effective mass.The relativistic microscopic optical potentials with both the com-plex and real effective masses,obtained from the RBBG equation,are used to studyp-<sup>16</sup>O,<sup>40</sup>Ca and <sup>208</sup>Pb scattering problem at E<sub>p</sub>=800 MeV.The calculated results,suchas cross sections and spin observables,are theoretical prediction and are compared withexperimental data.展开更多
基金The project supported by National Natural Science Foundation of China
文摘Relativistic microscopic optical potential of the nucleon-nucleus scattering isobtained from the relativistic Brueckner-Bethe-Goldstone(RBBG)equation.The com-plex effective mass of a nucleon in the medium is phenomenologically determined by afit to P-<sup>40</sup>Ca scattering data at E<sub>p</sub>=200 MeV.The behavior of the optical potential witha complex effective mass for P-<sup>40</sup>Ca scattering at E<sub>p</sub>=200 MeV is compared with that ofa real effective mass.The relativistic microscopic optical potentials with both the com-plex and real effective masses,obtained from the RBBG equation,are used to studyp-<sup>16</sup>O,<sup>40</sup>Ca and <sup>208</sup>Pb scattering problem at E<sub>p</sub>=800 MeV.The calculated results,suchas cross sections and spin observables,are theoretical prediction and are compared withexperimental data.