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The differential cross section for the process K(42S)+N2, CO~K(42p)+N2, CO is presented for reduced scattering angles z<2-104eV deg. The inelastic process is identified by determining the time-correlation between the inelastically scattered potassium atom and the emitted K(42p--,42S)photon. The performance of different coincidence techniques is compared. From the differential cross sections values for the position of the curve crossing responsible for the excitation process are derived (Rc=2.77 , 2.48]~ and V(Rc)=0.55, 1.00eV for K-N 2, CO respectively). The values indicate that the lowest ionic intermediate state of the form K +-NJ, CO-is responsible for the excitation process.