Matter Radii of Light Halo Nuclei

J. S. Al-Khalili and J. A. Tostevin
Phys. Rev. Lett. 76, 3903 – Published 20 May 1996
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Abstract

We reexamine the matter radii of diffuse halo nuclei, as deduced from reaction cross section measurements at high energy. Careful consideration is given to the intrinsic few-body structure of these projectiles and the adiabatic nature of the projectile-target interaction. Using 11Li, 11Be, and 8B as examples we show that data require significantly larger matter radii than previously reported. The revised value for 11Li of 3.55 fm is consistent with three-body models with significant 1s-intruder state components, which reproduce experimental 9Li momentum distributions following 11Li breakup, but were hitherto thought to be at variance with cross section data.

  • Received 16 February 1996

DOI:https://doi.org/10.1103/PhysRevLett.76.3903

©1996 American Physical Society

Authors & Affiliations

J. S. Al-Khalili and J. A. Tostevin

  • Department of Physics, University of Surrey, Guildford, Surrey, GU2 5XH, United Kingdom

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Issue

Vol. 76, Iss. 21 — 20 May 1996

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