In this article, we briefly reviewed the importance and evidence for dark matter and calculate the “Darkon”[ 1 ] characteristic parameters λ and m in a minimum extension of standard module, which a scalar field Darkon is add in higgs sector.

1Introduction: about Dark Matter 5
1.1Evidence for existence of dark matter 5
2One simple approach to dark matter: about Darkon 6
2.1The relic density constraints on Darkon 7
2.2calculation for <σv> 10
3Variable space analysis 12
Referenc 13

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