Momentum Distributions of Particles from Three--Body Halo Fragmentation: Final State Interactions

Details Momentum Distributions of Particles from Three--Body Halo Fragmentation: Final State Interactions Momentum Distributions of Particles from Three--Body Halo Fragmentation: Final State Interactions

1996-03-20

arxiv.org/abs/nucl-th/9603028v1

Phys.Rev.C53:3159-3162,1996

Physics

Nuclear Physics

Nuclear Theory

11 pages (RevTeX), 3 Postscript figures (uuencoded postscript file attached at the end of the LaTeX file). To be published in

Scientific paper

10.1103/PhysRevC.53.3159

Momentum distributions of particles from nuclear break-up of fast three-body halos are calculated consistently, and applied to $^{11}$Li. The same two-body interactions between the three particles are used to calculate the ground state structure and the final state of the reaction processes. We reproduce the available momentum distributions from $^{11}$Li fragmentation, together with the size and energy of $^{11}$Li, with a neutron-core relative state containing a $p$-state admixture of 20\%-30\%. The available fragmentation data strongly suggest an $s$-state in $^{10}$Li at about 50 keV, and indicate a $p$-state around 500 keV.

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