Year: 2016
Type: article
Abstract: We argue that lepton flavor violating (LFV) decays $M\ensuremath{\rightarrow}{\ensuremath{\ell}}_{1}{\overline{\ensuremath{\ell}}}_{2}$ of quarkonium states $M$ with different quantum numbers could be used to put constraints on the Wilson coefficients of effective operators describing LFV interactions at low energy scales. We note that restricted kinematics of the two-body quarkonium decays allows us to select operators with particular quantum numbers, significantly reducing the reliance on the single operator dominance assumption that is prevalent in constraining parameters of the effective LFV Lagrangian. We shall also argue that studies of radiative lepton flavor violating $M\ensuremath{\rightarrow}\ensuremath{\gamma}{\ensuremath{\ell}}_{1}{\overline{\ensuremath{\ell}}}_{2}$ decays could provide important complementary access to those effective operators.
Authors: Derek E. Hazard, Alexey A. Petrov
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funders: U.S. Department of Energy, Fermilab
OpenAlex ID: W2466480731