Large scale shell model calculations for even-even $^{62-66}$Fe isotopes

Details Large scale shell model calculations for even-even $^{62-66}$Fe isotopes Large scale shell model calculations for even-even $^{62-66}$Fe isotopes

2009-07-23

arxiv.org/abs/0907.4050v1

J. Phys. G: Nucl. Part. Phys. 36 (2009) 105106

Physics

Nuclear Physics

Nuclear Theory

10 pages, 6 figures

Scientific paper

10.1088/0954-3899/36/10/105106

The recently measured experimental data of Legnaro National Laboratories on neutron rich even isotopes of $^{62-66}$Fe with A=62,64,66 have been interpreted in the framework of large scale shell model. Calculations have been performed with a newly derived effective interaction GXPF1A in full $\it{fp}$ space without truncation. The experimental data is very well explained for $^{62}$Fe, satisfactorily reproduced for $^{64}$Fe and poorly fitted for $^{66}$Fe. The increasing collectivity reflected in experimental data when approaching N=40 is not reproduced in calculated values. This indicates that whereas the considered valence space is adequate for $^{62}$Fe, inclusion of higher orbits from $\it{sdg}$ shell is required for describing $^{66}$Fe.

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