Lithium synthesis in microquasar accretion
  We study the synthesis of lithium isotopes in the hot tori formed around
stellar mass black holes by accretion of the companion star. We find that
sizable amounts of both stable isotopes 6Li and 7Li can be produced, the exact
figures varying with the characteristics of the torus and reaching as much as
1e-2 Msun for each isotope. This mass output is enough to contaminate the
entire Galaxy at a level comparable with the original, pre-galactic amount of
lithium and to overcome other sources such as cosmic-ray spallation or stellar
nucleosynthesis.
