Possibility of Studying Neutron–Neutron Correlations in Halo Nuclei


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Resumo

An experimental investigation of the reaction of core pickup from 6He and 11Li two-neutronhalo nuclei is proposed. In such experiments, neutron–neutron correlations in a halo nucleus will be assessed on the basis of the energy of a neutron–neutron quasibound state. A detailed kinematical simulation of the reaction 6He + 2H → 6Li + (nn) →6 Li + n + n is performed. It is shown that the energy of the quasibound state in question can determined from the shape of the energy spectrum of neutrons originating from the breakup of this state. In the proposed exclusive experiment, a beam of 6He (11Li) nuclei with an energy of about 5 to 10 MeV per nucleon interacts with a deuterated-polyethylene target. This will permit detecting charged particles (6Li and 11Be) and a neutron. On the basis of determining the energy of the neutron–neutron quasibound state, it will become possible to estimate the effective attraction between the valence neutrons in the field of the third particle (core).

Sobre autores

E. Konobeevski

Institute for Nuclear Research

Autor responsável pela correspondência
Email: konobeev@inr.ru
Rússia, Moscow, 117312

V. Zavarzina

Institute for Nuclear Research

Email: konobeev@inr.ru
Rússia, Moscow, 117312

S. Zuyev

Institute for Nuclear Research

Email: konobeev@inr.ru
Rússia, Moscow, 117312

A. Kasparov

Institute for Nuclear Research

Email: konobeev@inr.ru
Rússia, Moscow, 117312

A. Kurlovich

Institute for Nuclear Research

Email: konobeev@inr.ru
Rússia, Moscow, 117312

V. Mitsuk

Institute for Nuclear Research

Email: konobeev@inr.ru
Rússia, Moscow, 117312

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