Di-neutron correlation in light neutron-rich nuclei
Hagino, K. · Sagawa, H. · Schuck, P.
Original · EN
Using a three-body model with density-dependent contact interaction, we discuss the root mean square distance between the two valence neutrons in ¹¹Li nuclues as a function of the center of mass of the neutrons relative to the core nucleus ⁹Li. We show that the mean distance takes a pronounced minimum around the surface of the nucleus, indicating a strong surface di-neutron correlation. We demonstrate that the pairing correlation plays an essential role in this behavior. We also discuss the di-neutron structure in the ⁸He nucleus.
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