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\bibitem{Beneke_etal2013} Beneke, M., Hellmann, C., \& Ruiz-Femenia, P. (2013). Non-relativistic pair annihilation of nearly mass degenerate neutralinos and charginos I. General framework and S-wave annihilation. \textit{J. High Energy Phys.}, \textit{03}(3), 148--48pp.

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