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McCutchan EA, Lister CJ, Wiringa RB, et al. Precise electromagnetic tests of ab initio calculations of light nuclei: states in 10Be. Phys Rev Lett. 2009;103(19):192501doi: 10.1103/PhysRevLett.103.192501.
McCutchan, E. A., Lister, C. J., Wiringa, R. B., Pieper, S. C., Seweryniak, D., Greene, J. P., Carpenter, M. P., Chiara, C. J., Janssens, R. V., Khoo, T. L., Lauritsen, T., Stefanescu, I., & Zhu, S. (2009). Precise electromagnetic tests of ab initio calculations of light nuclei: states in 10Be. Physical review letters, 103(19), 192501. https://doi.org/10.1103/PhysRevLett.103.192501
McCutchan, E A, et al. "Precise electromagnetic tests of ab initio calculations of light nuclei: states in 10Be." Physical review letters vol. 103,19 (2009): 192501. doi: https://doi.org/10.1103/PhysRevLett.103.192501
McCutchan EA, Lister CJ, Wiringa RB, Pieper SC, Seweryniak D, Greene JP, Carpenter MP, Chiara CJ, Janssens RV, Khoo TL, Lauritsen T, Stefanescu I, Zhu S. Precise electromagnetic tests of ab initio calculations of light nuclei: states in 10Be. Phys Rev Lett. 2009 Nov 06;103(19):192501. doi: 10.1103/PhysRevLett.103.192501. Epub 2009 Nov 04. PMID: 20365919.
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Phys Rev Lett. 2009 Nov 06;103(19):192501. doi: 10.1103/PhysRevLett.103.192501. Epub 2009 Nov 04.

Precise electromagnetic tests of ab initio calculations of light nuclei: states in 10Be.

Physical review letters

E A McCutchan, C J Lister, R B Wiringa, Steven C Pieper, D Seweryniak, J P Greene, M P Carpenter, C J Chiara, R V F Janssens, T L Khoo, T Lauritsen, I Stefanescu, S Zhu

Affiliations

  1. Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.

PMID: 20365919 DOI: 10.1103/PhysRevLett.103.192501

Abstract

In order to test ab initio calculations of light nuclei, we have remeasured lifetimes in 10Be using the Doppler shift attenuation method (DSAM) following the 7Li(7Li,alpha)10Be reaction at 8 and 10 MeV. The new experiments significantly reduce systematic uncertainties in the DSAM technique. The J(pi) = 2(1)(+) state at 3.37 MeV has tau = 205 +/- (5)(stat) +/- (7)(sys) fs corresponding to a B(E2 down) of 9.2(3)e(2) fm(4) in broad agreement with many calculations. The J(pi) = 2(2)(+) state at 5.96 MeV was found to have a B(E2 down) of 0.11(2)e(2) fm(4) and provides a more discriminating test of nuclear models. New Green's function Monte Carlo calculations for these states and transitions with a number of Hamiltonians are also reported and compared to experiment.

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