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Level structures of 113 In are studied through the fusion-evaporation reaction 110 Pd(7 Li,4n)113In at a beam energy of 50 Me V.Two new bands are established for the first time.Here the ΔI =2 band based on proton excitation is assigned to the πg-29/2 (0)υh211/2d5/2 configuration.In addition,the backbending associated with the additional aligned h11/2 neutron pair is found in the negative parity yrast band.The experimental results are compared with self-consistent tilted axis cranking relativistic mean field calculations.Several decay paths of theπ h11/2intruder band are established,by which the level energies and spins of the πh11/2 intruder band are determined.The bandcrossing delay of the πh11/2 intruder bands around the Z =50 shell and the dynamic moment of inertia of the πg-19/2 (0) υh211/2 bands in 113,115,117,119 In are studied systematically.