Probing new physics scenarios of muon g − 2 via J/ψ decay at BESIII

Gorazd Cvetič, C. S. Kim, Donghun Lee, Dibyakrupa Sahoo

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1 Citation (Scopus)


The disagreement between the standard model prediction and the experimental measurement of muon anomalous magnetic moment can be alleviated by invoking an additional particle which is either a vector boson (X1) or a scalar (X0). This new particle, with the mass mX ≲ 2mμ, can be searched for in the decay J/ψ → μμ+X, where X is missing. Our numerical study shows that the search is quite feasible at the BESIII experiment in the parameter space allowed by muon g − 2 measurements.

Original languageEnglish
Article number207
JournalJournal of High Energy Physics
Issue number10
Publication statusPublished - 2020 Oct 1

Bibliographical note

Publisher Copyright:
© 2020, The Author(s).

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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