The Continuum Structure of the Borromean Halo Nucleus 11Li

Details The Continuum Structure of the Borromean Halo Nucleus 11Li The Continuum Structure of the Borromean Halo Nucleus 11Li

1997-08-19

arxiv.org/abs/nucl-th/9708034v1

Phys.Lett. B424 (1998) 1-7

Physics

Nuclear Physics

Nuclear Theory

10 pages, LaTeX, 3 postscript figures, psfig.sty

Scientific paper

10.1016/S0370-2693(98)00217-2

We solve the Faddeev equations for 11Li (n+n+9Li) using hyperspherical coordinates and analytical expressions for distances much larger than the effective ranges of the interactions. The lowest resonances are found at 0.65 MeV (1/2+, 3/2+, 5/2+) and 0.89 MeV (3/2+, 3/2-) with widths of about 0.35 MeV. A number of higher-lying broader resonances are also obtained and related to the Efimov effect. The dipole strength function and the Coulomb dissociation cross section are also calculated. PACS numbers: 21.45.+v, 11.80.Jy, 21.60.Gx

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