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Constraining the neutron-neutron scattering length with \eftnopi
neutron-neutron scattering length
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2011/7/20
We compute a model-independent correlation between the difference of neutron-neutron and proton-proton scattering lengths |a(nn)-a^C(pp)| and the splitting in binding energies between Helium-3 and tri...
A Direct Measurement of the Neutron-Neutron Scattering Length
the Neutron-Neutron Scattering Length free neutrons
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2010/10/15
A direct measurement of nn-scattering by colliding free neutrons has never been performed. Indirect measurements continue to provide inconsistent results, leaving the issue of charge symmetry in the n...