LHC Signature of Mirage Mediation

We study LHC phenomenology of mirage mediation scenario in which anomaly and modulus contributions to soft SUSY breaking terms are comparable to each other. A Monte Carlo study of mirage mediation, with model parameters α = 1, M 0 = 500 GeV, n M = 1/2, n H = 1 and tanβ = 10, is presented. It is shown that masses of supersymmetric particles can be measured in a model independent way, providing information on SUSY breaking sector. In particular, the mass ratio of gluino to the lightest neutralino for the benchmark scenario is determined to be 1.9 m ˜ g /m ˜ χ 0 1 3.1, well reproducing theoretical input value of m ˜ g /m ˜ χ 0 1 ≃ 2.5 which is quite distinctive from the predictions m ˜ g /m ˜ χ 0 1 6 of other SUSY scenarios in which gaugino masses are unified at the GUT scale. The model parameters of mirage mediation can be also determined from various kinematic distributions.