Abstract
The lepton-flavor violation (LFV) effect at an e+e− linear collider (LC), in the frame of R-parity violating minimal supersymmetric standard model is studied. We take the R-parity violating processes e+e−→eμ± as signal, and define the summation of the two processes as ``experiment'' observable. We find that the cross-section summation can reach (101)fb in the parameter space without sneutrino resonance effect(s1/2 ~ m). The summation treatment manifests uniform differential distribution on cos θ, where θ denotes the polar angles of both outgoing e+/e− respectively to incoming electron beam in two signal processes. The uniform feature together with eμ collinearity would help to reduce the SM background dramatically. Consequently we conclude that at a 500 GeV LC with 480 fb−1 annual luminosity, it's either possible to detect the distinctive R-violating LFV eμ signal, or exclude sneutrino to m > 1.1 TeV at 95% CL in the machine's biennial runtime interval.
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