The invention relates to a premix burner for burning fuel with air to combustion gas, in particular within a combustion turbine. Profiling means are provided for profiling the mass stream of the combustion air in a direction radial to an annular shaped air channel in order to generate a radial varying fuel/air mixture that stabilises the combustion. Accordingly, the invention also relates to a gas turbine and a process for burning fuel in air.
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