Physics:Inclusive measurement of interactions

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An inclusive measurement of a particle interaction is a partial measurement. Only a few produced particles, sometimes only one, are singled out for identification and measurement, ignoring the details of all other interaction products. Reactions can thus be written

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Inclusive measurements dominate at high energies, where the separation of tracks and particle identification become difficult, even when using the most advanced detectors. Triggers in complex interactions are necessarily inclusive: the signature of interesting physics will be defined in terms of few phenomena, like high- Hepb img106.gif leptons or jets, disregarding the rest of the interaction.