Antiproton-nucleus potentials from global fits to antiprotonic X-rays and radiochemical data

Abstract We report on global fits of optical-model parameters to 90 data points for p ¯ X-rays and 17 data points of radiochemical data put together. By doing separate fits to the two kinds of data it is possible to determine phenomenologically the radial region where the absorption of antiprotons takes place and to obtain neutron densities which represent the average behaviour over the periodic table. A finite-range attractive and absorptive p ¯ –nuclear isoscalar potential fits the data well. Self-consistent dynamical calculations within the RMF model demonstrate that the polarization of the nucleus by the atomic antiproton is negligible.

• Publication year

  2005

• Venue

  Nuclear Physics

• Publication date

  2005-04-11

• Fields of study

  Physics

• Identifiers
  DOI 10.1016/j.nuclphysa.2005.08.001arXiv nucl-th/0504030
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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