Decaying Dark Atom Constituents and Cosmic Positron Excess

Figure 2

Spectra of gamma-rays and positrons from decays 𝑈𝑈→𝑒⁺𝑒⁺,𝜇⁺𝜇⁺,𝜏⁺𝜏⁺. We used Pythia 6.4 [97].