Theoretical Description of Collective Motion in Nuclei: Shell Model and ApproximationsNo Access

AB INITIO NO CORE METHODS: APPLICATIONS TO LIGHT NUCLEI

JAMES P. VARY

Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA

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PIETER MARIS

Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA

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ANDREY SHIROKOV

Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991, Russia

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https://doi.org/10.1142/S0218301308011793Cited by:1 (Source: Crossref)

Abstract

We introduce a no-core full configuration (NCFC) approach and present results for ⁴He, ¹²C, ¹⁴F and some other nuclei with the realistic NN interaction, JISP16. We obtain ground state energies and their uncertainties through exponential extrapolations that we demonstrate are reliable in ⁴He where fully converged results are obtained. We find ¹²C is overbound by 1.7 MeV and we predict the yet-to-be-measured binding energy of ¹⁴F to be 70.2±3.5 MeV. The extrapolated spectrum of ¹⁴F is in reasonable agreement with known features of the ¹⁴B spectrum. Distinctions are drawn between this approach and the no-core shell model (NCSM).

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AB INITIO NO CORE METHODS: APPLICATIONS TO LIGHT NUCLEI

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