Dynamical Effects beyond Mean Field in Drip Line Nuclei
نویسندگان
چکیده
منابع مشابه
Dynamical Effects beyond Mean Field in Drip Line Nuclei
Recently, nuclear structure in neutron-rich nuclei has attracted much attention because of its exotic nature, such as halo and skin 1) 3). Recent advances of secondary beam techniques allow us to measure useful structure information on masses, interaction cross sections and excited states. The shell structure is one of essential issues in nuclear structure. Recently, the magic numbers in the ne...
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Models based on particle-vibration coupling have been applied for many years to the study of single-particle states and giant resonances (GR) in stable nuclei, and are quite well established. In particular, in the last decade we have developed, within a Milano-Orsay collaboration, a microscopic model aimed to a detailed description of GR excitation and decay. In the present contribution, we dis...
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Ground state properties of proton-rich odd-Z nuclei in the region 55 ≤ Z ≤ 73 are studied in the relativistic mean field (RMF) theory. The RMF equations are solved by using the expansion method in the Harmonic-Oscillator basis. In the particle-particle channel, we use the state-dependent BCS method with a zero-range δ-force, which has been proved to be effective even for neutron-rich nuclei. Al...
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The relativistic mean field theory is applied to study some exotic properties of neutron rich nuclei as recently observed, namely, extension of the drip-line for F nuclei from 29 F to 31 F and the appearence of a new shell closure at neutron number N = 16. We find 31 F to be bound against one-neutron dripping but unbound only marginally for two neutron separation. The calculated functional depe...
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In a Thomas-Fermi model, calculations are presented for nuclei beyond the nuclear drip line at zero temperature. These nuclei are in equilibrium by the presence of an external gas, as may be envisaged in the astrophysical scenario. We find that there is a limiting asymmetry beyond which these nuclei can no longer be made stable.
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics Supplement
سال: 2002
ISSN: 0375-9687
DOI: 10.1143/ptps.146.153