Progress in the Effective Field Theory of two and three nucleon systems is sketched, concentrating mainly on the low energy version in which pions are integrated out as explicit degrees of freedom, Examples given are: the extraction of nucleon polarisabilities from deuteron Compton scattering at very low energies; the energy dependence of the nucleon polarisabilities; three body forces and the triton; and nd partial waves at momenta below the pion cut.
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Theory Ctr, Jefferson Lab, Newport News, VA 23606 USATheory Ctr, Jefferson Lab, Newport News, VA 23606 USA
Gnech, A.
Schiavilla, R.
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Theory Ctr, Jefferson Lab, Newport News, VA 23606 USA
Old Dominion Univ, Dept Phys, Norfolk, VA 23529 USATheory Ctr, Jefferson Lab, Newport News, VA 23606 USA
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MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
NSF AI Inst Artificial Intelligence & Fundamental, Cambridge, MA USAMIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
Detmold, W.
Shanahan, P. E.
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MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
NSF AI Inst Artificial Intelligence & Fundamental, Cambridge, MA USAMIT, Ctr Theoret Phys, Cambridge, MA 02139 USA