Phys. Rev. Lett. 99, 022502 (2007) [4 pages]Quantum Monte Carlo Calculations of Neutron-α ScatteringReceived 8 December 2006; published 12 July 2007 We describe a new method to treat low-energy scattering problems in few-nucleon systems, and we apply it to the five-body case of neutron-alpha scattering. The method allows precise calculations of low-lying resonances and their widths. We find that a good three-nucleon interaction is crucial to obtain an accurate description of neutron-alpha scattering. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.99.022502
DOI:
10.1103/PhysRevLett.99.022502
PACS:
21.60.Ka, 25.10.+s, 21.45.+v, 27.10.+h
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