期刊
NUCLEAR PHYSICS A
卷 674, 期 3-4, 页码 330-342出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0375-9474(00)00168-8
关键词
radioactive beams; exotic nuclei; charge-changing cross sections; interaction cross sections
Total charge-changing cross sections at relativistic energies on a carbon target have been measured for the light stable and neutron-rich radioactive nuclei Be-14, B10-19, C12-20, N14-23, O16-24, and F18-27. A combined analysis of interaction and total charge-changing cross sections allows to draw definite conclusions concerning the thickness of the neutron skins or the size of the neutron halos for very neutron-rich isotopes. The obtained cross sections are also important in astrophysical applications to describe the propagation of galactic cosmic rays through the interstellar medium. A simple parameterization can reproduce the total charge-changing cross section within an accuracy of 5% for light nuclei from the valley of beta-stability up to the drip line. These systematics improve the predictive capability of the formulae used to describe the unknown cross sections, (C) 2000 Elsevier Science B.V. All rights reserved.
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