Emergence of rotational bands in ab initio no-core configuration interaction calculations of light nuclei

Abstract

The emergence of rotational bands is observed in no-core configuration interaction (NCCI) calculations for the odd-mass Be isotopes (7<=A<=13) with the JISP16 nucleon-nucleon interaction, as evidenced by rotational patterns for excitation energies, quadrupole moments, and E2 transitions. Yrast and low-lying excited bands are found. The results demonstrate the possibility of well-developed rotational structure in NCCI calculations using a realistic nucleon-nucleon interaction.

7 pages, 6 figures; to be published in Phys. Lett. B

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• Convergence properties of {\itshape ab initio} calculations of light nuclei in a harmonic oscillator basis
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• Robust ab initio prediction of nuclear electric quadrupole observables by scaling to the charge radius
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• Ab initio no-core properties of 7Li and 7Be with JISP16 and NNLO_opt interactions
• Effective Field Theory of Emergent Symmetry Breaking in Deformed Atomic Nuclei
• Effective field theory for vibrations in odd-mass nuclei
• Ab initio estimation of $E2$ strengths in ${}^8$Li and its neighbors by normalization to the measured quadrupole moment
• Nuclear matter with JISP16 NN interaction
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• Structure of odd-mass Ne, Na, and Mg nuclei
• Symmetry and shape coexistence in 10Be
• Effective field theories for collective excitations of atomic nuclei
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• Robust ab initio predictions for dimensionless ratios of E2 and radius observables. II. Estimation of E2 transition strengths by calibration to the charge radius