Emergence of rotational bands in ab initio no-core configuration interaction calculations of the Be isotopes

Abstract

The emergence of rotational bands is observed in no-core configuration interaction (NCCI) calculations for the Be isotopes (7<=A<=12), as evidenced by rotational patterns for excitation energies, electromagnetic moments, and electromagnetic transitions. Yrast and low-lying excited bands are found. The results indicate well-developed rotational structure in NCCI calculations, using the JISP16 realistic nucleon-nucleon interaction within finite, computationally-accessible configuration spaces.

32 pages, 19 figures; published in Phys. Rev. C

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• Convergence in the no-core shell model with low-momentum two-nucleon interactions
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