<p>A burner with a burner head comprises a mixing tube (3) for premixing combustion air and fuel. The mixing tube (3) is provided with a pilot burner system in its downstream part. The pilot burner system comprises an annular mixing cavity (10) with an entrance for assist air and pilot fuel and with outlet nozzles (7). The mixing cavity (10) is provided with at least two swirler wings (18) being arranged in the vicinity of each outlet nozzle (7).</p>
