Fig. 2. (Color online) (a) Event-topology for a cascade decay, (b) event-topology for an antler topology. For (a) and (b), we represent visible particles with v1, v2 and decaying or invisible particles as A, B and C. (c) Feynman diagram of a supersymmetric process of pp→χ˜20,χ˜10 with the cascade decay of χ˜20→l+, l˜−, l˜−→l−,χ˜10. (d) Feynman diagram of a heavy higgs H production and its decay into charged scalar particles, H→S+,S− with S±→l±,ν(ν¯).
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