Quantum Monte Carlo calculations of magnetic moments and M1 transitions in A {le} 7 nuclei including meson-exchange currents.
Green's function Monte Carlo calculations of magnetic moments and M1 transitions including two-body meson-exchange current (MEC) contributions are reported for A 7 nuclei. The realistic Argonne v{sub 18} two-nucleon and Illinois-2 three-nucleon potentials are used to generate the nuclear wave functions. The two-body meson-exchange operators are constructed to satisfy the continuity equation with the Argonne v{sub 18} potential. The MEC contributions increase the A = 3,7 isovector magnetic moments by 16% and the A = 6,7 M1 transition rates by 17-34%, bringing them into very good agreement with the experimental data.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 990169
- Report Number(s):
- ANL/PHY/JA-62646; TRN: US1007230
- Journal Information:
- Phys. Rev. C, Vol. 78, Issue 2008
- Country of Publication:
- United States
- Language:
- ENGLISH
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