Description of decay mechanisms of the giant dipole resonances with a RPA + FKK approach

Leite, T. N.; Teruya, N.

doi:10.1590/s0103-97332005000500030

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“…This method has been tested in giant dipole resonances in 208 Pb and neutron-rich calcium isotopes, 48 Ca and 60 Ca. This paper is a more detailed and complete version of the work: "Description of Decay Mechanisms of the Giant Dipole Resonances with a RPA+FKK Approach"; proceedings of XXVII Workshop on Nuclear Physics in Brazil (2004), published in special issue of Brazilian Journal of Physics [29].…”

Section: Introductionmentioning

confidence: 99%

The spreading width calculation of giant resonances with a semi-microscopic approach

Leite¹,

Teruya²

2006

Braz. J. Phys.

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We have proposed a semi-microscopic approach to calculate the two particles -two holes (2p − 2h) spreading width of giant resonances. Our proposal has been based in a hybrid method that implements the statistical multistep compound theory of Feshbach, Kerman and Koonin (FKK), widely and successful used in nuclear reactions mechanisms, in order to include relevant informations about the microscopic structure obtained by the Random Phase Approximation (RPA) calculations. This method is an approximative calculation to avoid the intrinsic numerical difficulties of those microscopic calculations that incorporate more complex structure than one particle -one hole (1p − 1h) excitations. Unlike the reaction context, the residual interaction was adjusted in RPA calculation to reproduce the lowest energy levels of the studied nuclei. The feasibility and the efficiency of the approach has been tested in giant dipole resonances in 208 Pb and neutron-rich calcium isotopes, 48 Ca and 60 Ca.

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Section: Introductionmentioning

confidence: 99%

The spreading width calculation of giant resonances with a semi-microscopic approach

Leite¹,

Teruya²

2006

Braz. J. Phys.

Self Cite

View full text Add to dashboard Cite

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Description of decay mechanisms of the giant dipole resonances with a RPA + FKK approach

Abstract: The decay mechanisms of giant resonances have been revisited to investigate the isoscalar dipole resonance in 208 Pb nucleus.

Cited by 1 publication

References 10 publications

The spreading width calculation of giant resonances with a semi-microscopic approach

The spreading width calculation of giant resonances with a semi-microscopic approach

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