%0 Journal Article %T Observational consequences of a dark interaction model %A Campos %A M. de %J Brazilian Journal of Physics %D 2010 %I Scientific Electronic Library Online %R 10.1590/S0103-97332010000400007 %X we study a model with decay of dark energy and creation of the dark matter particles. we integrate the field equations and find the transition redshift where the evolution process of the universe change the accelerated expansion, and discuss the luminosity distance, acoustic oscillations and the statefinder parameters. %K dark matter %K dark energy %K luminosity distance %K acoustic oscillations %K statefinder parameters. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-97332010000400007&lng=en&nrm=iso&tlng=en