Journal
EUROPEAN PHYSICAL JOURNAL A
Volume 25, Issue -, Pages 217-219Publisher
SPRINGER
DOI: 10.1140/epjad/i2005-06-078-0
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The optical limit of the Glauber theory with zero-range approximation, which is successfully used at high energies to connect the nucleon density distribution with reaction cross-sections (sigma(R)), gives somewhat smaller values of sigma(R) by 10-20% at intermediate energies. We have precisely measured the sigma(R) for C-12 on Be, C, and Al at 30A-200A MeV, and for Be-9 on Be at 70A-100A MeV to investigate the enhancement of sigma(R) compared to the optical-limit calculation. From the enhancements, we deduced the nucleon-nucleon range as a function of energies. We deduced the density distribution of B-8 analyzing the known experimental sigma(R) for B-8 with an enhancement correction or with the finite range effect as a test.
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