Speaker
Mr
Pavel Sharov
(JINR)
Description
Mechanism of simultaneous non-sequential four-neutron (4n) emission
(or ``true'' 4n-decay) has been considered in phenomenological
five-body approach.
This approach is analogous to the model of the direct decay to the continuum often
applied to 2n- and 2p-decays.
It is demonstrated that 4n-decay fragments should have specific energy and
angular correlations reflecting strong spatial correlations of
``valence'' nucleons orbiting in their 4n-precursors.
Due to the Pauli exclusion principle, the valence neutrons are pushed to
the symmetry-allowed configurations in the 4n-precursor structure,
which causes a ``Pauli focusing'' effect.
Prospects of the observation of the Pauli focusing have been considered for the $4n$-precursor \isotope[7]{H}
Fingerprints of it nuclear structure or/and decay dynamics are predicted.
Primary authors
Mrs
Arailym Ismailova
(JINR)
Prof.
Leonid Grigorenko
(JINR)
Prof.
Mikhail Zhukov
(Department of Physics, Chalmers University of Technology)
Mr
Pavel Sharov
(JINR)
