Ab-initio nuclear structure calculations with configuration interaction methods

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Date/Time:Thursday, 11 Feb 2010 from 3:00 pm to 4:00 pm
Location:Room 18 Physics Addition
Contact:James Vary ()
Phone:515-294-8894
Channel:Nuclear Physics
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Pieter Maris, ISU, Note special time and room

I discuss recent developments in "ab initio" calculations for light nuclei using no-core configuration interaction methods. In principle any nuclear potential can be used as input for such calculations, though numerical convergence depends on the softness of the potential. Renormalizations techniques such as Lee-Suzuki and similarity group transformations can be used to improve convergence. I present results for chiral effective two-nucleon and three-nucleon potentials and for a phenomenological two-body potential (JISP16), which both give a good description of a range of properties of nuclei in the A = 6 to 16 range.