New bounds from searching for muonium to antimuonium conversion

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 viola...

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Main Authors: Willmann, Lorenz (Author) , Schmidt, Peter Vaughan (Author) , Grossmann, Alex (Author) , Jungmann, Klaus (Author) , Meyer, Volker (Author) , Merkel, Jesko Friedrich (Author) , Putlitz, Gisbert zu (Author) , Reinhard, Irene (Author) , Träger, Konrad (Author)
Format: Article (Journal) Chapter/Article
Language:English
Published: 1998
In: Arxiv
Year: 1998, Pages: 1-17
Online Access:Verlag, kostenfrei, Volltext: http://arxiv.org/abs/hep-ex/9807011
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Author Notes:L. Willmann, P.V. Schmidt, H.P. Wirtz, R. Abela, V. Baranov, J. Bagaturia, W. Bertl, R. Engfer, A. Grossmann, V.W. Hughes, K. Jungmann, V. Karpuchin, I. Kisel, A. Korenchenko, S. Korenchenko, N. Kravchuk, N. Kuchinsky, A. Leuschner, V. Meyer, J. Merkel, A. Moiseenko, D. Mzavia, G. zu Putlitz, W. Reichart, I. Reinhard, D. Renker, T. Sakhelashvilli, K. Träger, and H. K. Walter
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Summary: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.
Item Description:Gesehen am 21.02.2018
Physical Description:Online Resource