First, the spectrum of electrons and positrons generated by dark matter is generally too soft unless the annihilations proceed mostly to leptons (the particle family that includes electrons and ...

This model categorizes all known subatomic particles, including six types of quarks, six types of leptons (such as the ...

Among these deviations are the multi-lepton anomalies. "From the multi-lepton anomalies one can predict the existence of a new Higgs-like boson, somewhat heavier than the one discovered in 2012 ...