TOR user manual

Abstract

The task of the Trigger-OR (TOR) is to logically OR all local Level-0 (L0) triggers coming from the Trigger Region Unit (TRU)s, combining them into only one L0 trigger on the Central Trigger Processor (CTP) side for the event, and generate L1 triggers on the basis of digitized Analog-sum signals coming from TRUs. L1 trigger includes one basic trigger and two advanced triggers: a total transverse energy trigger and an isolated photon trigger. Therein, the basic trigger and the total energy trigger are generated based only on the energy information; whereas the isolated photon trigger depends on both energies of photons and associated addresses. The basic trigger consists of three outputs: Level-1 Low (L1L), Level-1 Middle (L1M), and Level-1 High (L1H). The other two triggers have only one output for each. Nevertheless, there are only three Level-1 (L1) outputs physically connected to the CTP, which results in a selection of triggers as outputs to the CTP on demand. Tomado del texto original Fecha de reseña: 13/12/2016