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The European Physical Journal C

, Volume 56, Issue 3, pp 395–405 | Cite as

Diagonalization of the neutralino mass matrix and boson–neutralino interaction

  • V.A. Beylin
  • V.I. Kuksa
  • R.S. PasechnikEmail author
  • G.M. Vereshkov
Regular Article - Theoretical Physics

Abstract

We analyze a connection between the 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 exponential parametrization of unitary matrix, is suggested.

Keywords

Dark Matter Mass Matrix Negative Mass Neutralino Mass Exponential Parametrization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag / Società Italiana di Fisica 2008

Authors and Affiliations

  • V.A. Beylin
    • 1
  • V.I. Kuksa
    • 1
  • R.S. Pasechnik
    • 2
    Email author
  • G.M. Vereshkov
    • 1
  1. 1.Institute of PhysicsSouthern Federal University (former Rostov State University)Rostov-on-DonRussia
  2. 2.Bogoliubov Laboratory of Theoretical Physics, JINRDubnaRussia

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