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Possibility of observable signatures of leptonium from astrophysical sources

Bland-Hawthorn, Joss; Ellis, S. C.

The formation of positronium in our Galaxy is well measured, and has led to important and unanswered questions on the origin of the positrons. In principle it should be possible to form analogous systems from µ and τ leptons, viz. true muonium and true tauonium. However the probability of formation for these systems is greatly reduced due to…