2001/02/28 by T. S. Kosmas, T.S. Kosmas, Sergey Kovalenko +1 · 2 citations
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Neutrino Physics Research #Particle physics theoretical and experimental studies #hep-ph #nucl-th
paper · pdf · doi:10.1016/s0370-2693(01)00657-8
published as Phys.Lett. B511 (2001) 203 · 11 pages, 1 figure, minor changes matching published version
openalex publication_date 2001/07/01 · arxiv created 2001/08/06 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We study nuclear muon-electron (mu-e) conversion in the general framework of effective Lagrangian approach without referring to any specific realization of the physics beyond the standard model (SM) responsible for lepton flavor violation (LFV). All the possible types of short range interactions (non-photonic mechanisms), i.e. (pseudo-)scalar, (axial-)vector and tensor, are included in our formalism. We show that the mu-e conversion in the strange nucleon sea via the scalar interactions is comparable with that in the valence quarks. This provides an insight into the strange quark couplings beyond the SM. From the available experimental data on mu-e conversion and expected sensitivities of planned experiments we derived upper bounds on the generic LFV - parameters of mu-e conversion sensitive to the relevant u-,d- and s-quark couplings.