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A study of mu-tau conversion via the deep inelastic scattering process \mu N-> \tau X, with N a nucleon, is performed taking into account the effects fromboth spin-0 and spin-1 unparticles with lepton flavor violating (LFV)couplings. This process has attracted attention in the past as it may be at thereach of a future neutrino or muon factory. For the model parameters, we usethe most recent constraints on the unparticle LFV couplings from theexperimental limits on the muon anomalous magnetic moment and the LFV decay\tau-> 3\mu, whereas for the unparticle scale \Lambda_U and scale dimension d_Uwe use the bounds obtained from the search for mono-jets plus missingtransverse energy at the LHC. The \mu N -> \tau X cross section is analyzedwhen the target is a proton and it is found that the unparticle effects can belarger than the contribution from Higgs exchange in the minimal supersymmetricstandard model. We also analyze the behavior of the angular and energydistributions of the emitted tau lepton, which could be used to disentangleamong distinct new physics contributions. It is found that, for a beam with anintensity of 10^20 muons with an energy around 50 GeV on a 10^2 gr/cm^2 masstarget annually, there would be about 10^2-10^3 \mu N -> \tau X events peryear. The potential background is discussed briefly.

Analysis of mu-tau conversion through \mu N -> \tau X deep inelastic scattering induced by unparticles