DELPHI Z0 PEAK EVENT

DELPHI Event r0010080e0013726


e+ e- ---> q qbar, 2 jet, Mu+ Mu- pair
2 jet event with Mu+ Mu- pair, both muons are MIP in HPC and HAB and have hits associated in both planes of MUB. The 2 muons are in the same jet, Mu+ (4.3 GeV), Mu- (4.1 GeV) with invariant mass of 0.710 GeV.

Could be an example of the chain decay:
b --> c + Mu , c --> s + Mu