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Potential resonances are usually investigated either directly in the complexenergy plane or indirectly in the complex angular momentum plane. Anotherformulation complementing these two is presented in this work. It is anindirect method which studies resonances in a complex charge plane (Z-plane).The complex scaling (rotation) method is employed in the development of thisformulation. Bound states spectrum and resonance energies are mapped onto adiscrete set of poles of a resolvent operator on the real line of the Z-plane.These poles move along trajectories as we vary the energy. A finite L2 basis isused in the numerical implementation of the method. Stability of poles andtrajectories against variations in all computational parameters isdemonstrated. Resonances for a given potential example are calculated andcompared with those obtained elsewhere. In this presentation, modest effortwill be devoted to mathematical rigor.Comment: 10 pages, 2 tables, 5 figure

Study of resonances in the complex charge plane