New Bounds from a Search for Muonium to Antimuonium Conversion
New Bounds from a Search for Muonium to Antimuonium Conversion
A new upper limit for the probability of spontaneous muonium to antimuonium conversion was established at PMM¯≤8.3×10−11 ( 90% C.L.) in 0.1 T magnetic field, which implies consequences for speculative extensions to the standard model. Coupling parameters in R-parity-violating supersymmetry and the mass of a flavor diagonal bileptonic gauge boson …