Surface Localization of the Dineutron in
Phys Rev Lett
; 125(25): 252501, 2020 Dec 18.
Article
em En
| MEDLINE
| ID: mdl-33416401
ABSTRACT
The formation of a dineutron in the ^{11}Li nucleus is found to be localized to the surface region. The experiment measured the intrinsic momentum of the struck neutron in ^{11}Li via the (p,pn) knockout reaction at 246 MeV/nucleon. The correlation angle between the two neutrons is, for the first time, measured as a function of the intrinsic neutron momentum. A comparison with reaction calculations reveals the localization of the dineutron at râ¼3.6 fm. The results also support the density dependence of dineutron formation as deduced from Hartree-Fock-Bogoliubov calculations for nuclear matter.
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MEDLINE
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En
Ano de publicação:
2020
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Article