Question of why metastable muonic helium is not quenched

This publication has 14 references indexed in Scilit:

• Slowing-down of negative muons and formation of muonic hydrogen in hydrogen gas below 1 Torr
  Physics Letters B, 1981
• Radiative collisional quenching of metastable muonic hydrogenpμ−(2s)and the metastable muonic helium ionαμ−(2s)
  Physical Review A, 1981
• Collision quenching of the metastable2Sstate of muonic hydrogen and the muonic helium ion
  Physical Review A, 1975
• Experimental study on the (μ 4He) 2S + metastable system in helium gas
  Il Nuovo Cimento B (1971-1996), 1975
• Radiative collisional quenching of the metastable muonic-helium ion μHe+(2S)
  Il Nuovo Cimento B (1971-1996), 1975
• Theoretical studies of hydrogen-rare gas complexes: HenH and HenH+ clusters
  The Journal of Chemical Physics, 1974
• Measurement of the Auger effect in the (µ4He)sk2s+ ionic systemionic system
  Lettere al Nuovo Cimento (1971-1985), 1973
• Dissociation Energies of ${{\mathrm{He}}_2}^{+}\left(X^2{{\Sigma }_{\mathrm{u}}}^{+}\right)$ and ${\mathrm{He}}_2\left(A^1{{\Sigma }_{\mathrm{u}}}^{+}\right)$
  Physical Review Letters, 1971
• Observation of muonic X-rays in helium gas and measurement of the two-photon decay rate of the 2s metastable state
  Il Nuovo Cimento A (1971-1996), 1971
• Ions in Liquid Helium
  Physical Review B, 1959