Thick skin in neutron/proton-rich sodium isotopes |
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Authors: | YK Gambhir A Bhagwat N Van Giai P Schuck |
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Institution: | (1) Indian Institute of Technology, Powai, Mumbai 400076, India, IN;(2) Institut de Physique Nucléaire, Université Paris-Sud, F-91406 Orsay Cedex, France, FR |
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Abstract: | Nucleon (both neutron and proton) density distributions of the chain of sodium isotopes are calculated using a semi-phenomenological
model of nuclear density which incorporates correctly the asymptotic behaviour and the behaviour near the centre. The experimental
charge root-mean-square radii and the single neutron and proton separation energies, required as input, are used. The calculated
interaction cross-sections using these densities in the Glauber model agree well with the experiment. The calculated neutron
rms radii r
n and the nuclear skin thickness ( r
n - r
p) closely agree with the corresponding experimental values and also are consistent with the Relativistic Hartree-Bogoliubov
(RHB) calculations.
Received: 24 April 2001 / Accepted: 28 June 2001 |
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Keywords: | PACS 27 20 +n 6 ?A? 19 – 21 10 Ft Charge distribution – 21 60 -n Nuclear-structure models and methods – 25 70 -z Low and intermediate energy heavy-ion reactions |
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