Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2008-10-16
Phys.Rev.C79:054322,2009
Physics
Nuclear Physics
Nuclear Theory
Scientific paper
10.1103/PhysRevC.79.054322
We study the role of configuration mixing in the heavier even-even isotopes of Argon. We begin by limiting the configurations of the even-even Ar isotopes to $(d_{3/2}^2)_{\pi}$ $(f_{7/2}^n)_{\nu}$. There, due to the particular location in this shell model space of $^{40}$Ar and $^{44}$Ar, we find that the spectra, B(E2)'s and magnetic moments of these two nuclei are identical. Any deviation from this equality is direct evidence of configuration mixing. In a larger shell model space there are significant differences between these two nuclei, with $^{44}$Ar being more collective. We also consider other even-even isotopes of Argon and study how their nuclear structure effects evolve with N. We compare in the full 0$\hbar \omega$ space $(sd)_{\pi}$ $(fp)_{\nu}$ the results of calculations with the WBT interaction and with the newer SDPF, denoted SDPF-U, interaction.
Robinson Shadow J. Q.
Sharon Y. Y.
Zamick Larry
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