Measurement of Reaction Cross Section for 17C and Study of Its Nuclear Matter Density Distribution
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Graphical Abstract
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Abstract
We have measured the reaction cross section of 17C on a 12C target at 79 MeV/u using the transmission method. Together with previous data at high energy, we deduced the density distribution of 17C by fitting the experimental data using the finiterange Glauber model.
The analysis shows that a simple harmonicoscillator (HO) density is not adequate to explain consistently the present experimental data and the one at high energy simultaneously. To get a better fit of both the data, the existence of a tail in the density distribution of 17C is proposed. Based on the assumption of a core plus a single neutron, it is found that the valence neutron of 17C is mostly in the dorbital. This is in agreement with the conclusion from the measured momentum distribution.
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