Fuel nozzle and fuel nozzle assembly and thus equipped gas turbine

There is a nozzle for gas turbines assemblies and provided. The nozzle has destabilizing flame holder characteristics, that is, the nozzle is not able to stabilize a flame up to an equivalent ratio of about 0.65. It follows that the radiation emitted by the flame heat is delayed, whereby lower maximum flame temperatures and correspondingly lower NOx levels are attained. The flame stabilization ability is maintained for higher equivalence ratios in order to support the operation of the combustion chamber in other portions of the load range.