Neutron density distribution and the halo structure of 22C

Sharma, Manjari and Bhagwat, A and Khan, Z. A and Haider, W and Gambhir, Y. K. (2011) Neutron density distribution and the halo structure of 22C. Physical Review C, 83 (3). pp. 1-3. ISSN 1089-490X

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The recently measured reaction cross sections for the neutron-rich carbon isotopes (19C,20C,and 22C) on a Nproton target at 40 A MeV are analyzed using the finite range Glauber model (FRGM) and the microscopic optical potential calculated ithin the Brueckner-Hartree-Fock formalism (BHF). In FRGM nucleon-nucleon cross sections are used, while in the latter (BHF), Hamada-Johnston,Urbana v-14, and the Argonne v-18 internucleon otentials are employed to calculate the microscopic optical potential. The required nucleon density distributions are calculated within the relativistic mean-field (RMF) framework. To test the halo structure, the extended neutron density distribution for 22C is also used. The analysis reveals that the BHF results of all three internucleon potentials are very close to each other, and also agree with the corresponding results of the FRGM. Our results, using RMF densities, are in agreement with the experimental data for all isotopes of carbon except 22C,for which we require extended neutron density distribution, indicating a halo Structure.

Item Type: Article
Uncontrolled Keywords: Neutron density,halo structure
Subjects: Departments at MU > Manipal Centre for Natural Sciences
Depositing User: MCNS Library
Date Deposited: 29 Jul 2013 13:22
Last Modified: 06 Nov 2014 06:15

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