New Bounds from Searching for Muonium to Antimuonium Conversion

L. Willmann, P. V. Schmidt, H. P. Wirtz +26

A new upper limit for the probability of spontaneous muonium to antimuonium conversion was established at ${\mathrm{P}}_{\mathrm{M}\bar{\mathrm{M}}}\le 8.2\cdot 10^{-11}$ (90%C.L.) in 0.1~T magnetic f…