Diagonalization of the neutralino mass matrix and boson-neutralino interaction
V. A. Beylin, V. I. Kuksa, R. S. Pasechnik, G. M. Vereshkov
Abstract
We analyze a connection between neutralino mass sign, parity and structure of the neutralino-boson interaction. Correct calculation of spin-dependent and spin-independent contributions to neutralino-nuclear scattering should consider this connection. A convenient diagonalization procedure, based on the exponetial parametrization of unitary matrix, is suggested.
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