Muon capture on deuteron and the neutron-neutron scattering length

L. E. Marcucci, R. Machleidt

We study the capture rate in the doublet hyperfine initial state for the muon capture reaction ${\mu }^{-}+{}^2\mathrm{H}\to {\nu }_{\mu }+n+n$ (${\Gamma }^D$) and the total capture rate for the…