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New Bounds from Searching for Muonium to Antimuonium Conversion

Authors
  • Willmann, L.
  • Schmidt, P. V.
  • Wirtz, H. P.
  • Abela, R.
  • Baranov, V.
  • Bagaturia, J.
  • Bertl, W.
  • Engfer, R.
  • Grossmann, A.
  • Hughes, V. W.
  • Jungmann, K.
  • Karpuchin, V.
  • Kisel, I.
  • Korenchenko, A.
  • Korenchenko, S.
  • Kravchuk, N.
  • Kuchinsky, N.
  • Leuschner, A.
  • Meyer, V.
  • Merkel, J.
  • And 9 more
Type
Published Article
Publication Date
Jul 10, 1998
Submission Date
Jul 10, 1998
Identifiers
DOI: 10.1103/PhysRevLett.82.49
arXiv ID: hep-ex/9807011
Source
arXiv
License
Unknown
External links

Abstract

A new upper limit for the probability of spontaneous muonium to antimuonium conversion was established at ${\rm P_{M\bar{M}}} \leq 8.2 \cdot 10^{-11}$ (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 flavour diagonal bileptonic gauge boson can be significantly restricted. A Z$_8$ model with radiative mass generation through heavy lepton seed and the minimal version of 331-GUT models are ruled out.

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