Abstract
Total charge-changing cross sections have been measured for8Li on C and Pb targets, for9Li on C, Al, Cu, Sn and Pb targets, as well as for11Li on C, Sn and Pb targets at about 80 MeV/nucleon. These data are compared to measured total reaction cross sections and Glauber-type calculations using Hartree-Fock density distributions. These comparisons allow to draw conclusions on the proton density distribution of the neutronrich lithium isotopes. The results show that even for the most exotic nucleus11Li the proton distribution is only very weakly influenced by the long tail in the neutron density distribution already established in several experiments.
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This work comprises part of the Ph.D. Thesis of B. Blank
We would like to thank E. Hanelt, M.S. Pravikoff, B. Voss, H. Folger and the GSI target laboratory as well as H.-J. Benz and the GSI mechanical workshop for preparing essential parts of our experimental equipment. We are indebted to the whole SATURNE accelerator staff as well as to Y. Bedfer, J.-C. Duchazeau-Beneix, G. Milleret and J.-M. Soudan for their assistance during the experiment. Thanks are due to A. Sustich who provided us with the HF matter distributions. This work was supported by the german BMFT under contract no. 06DA1021.
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Blank, B., Gaimard, J.J., Geissel, H. et al. Charge-changing cross sections of the neutron-rich isotopes8,9,11Li. Z. Physik A - Hadrons and Nuclei 343, 375–379 (1992). https://doi.org/10.1007/BF01289813
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DOI: https://doi.org/10.1007/BF01289813