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ERT Timing Parameters Overview: Lvl-1 Settings and Delays for Run 2

This document provides a comprehensive summary of the ERT (Event Readout Timing) parameters required for Run 2 experiments at BNL. It includes key details on Level-1 delay, Level-1 latency, cable-to-cable delay, and front-end latency values. The settings outlined involve configurations for both EMC and RICH, specifying parameters like 0.25 ns for latency and 106 ns for cable delays. These settings significantly impact the performance and timing accuracy of the triggers in the data acquisition systems.

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ERT Timing Parameters Overview: Lvl-1 Settings and Delays for Run 2

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  1. ERT Timing parameters http://www.phenix.bnl.gov/WWW/trigger/pp/c-arm/run2_summary/online/serialdata/ert_trig_mask.html DMUX file 08 12 00 00 00 00 00 30 03 15 01 02 00 00 00 01 B4 8C 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  2. Four parameters in the file (a) Lvl-1 delay (b) Lvl-1 Latency (c) Cable to cable delay (d) Front End Latency 0.25ns 106ns ROC a b Cable c d c+d c’+d’ RUN2 Settings EMCw a,b,c,d = B4,90,00,50 RICHw B4,90,00,10(20) EMCe B4,8C,00,50 RICHe B4,8C,00,10(20) ROC a+b Dt = the event to GL1

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