Level-1 jet trigger hardware for the ALICE electromagnetic calorimeter at LHC
O. Bourrion (1), R. Guernane (1), B. Boyer (1), J.L. Bouly (1), G., Marcotte (1) ((1) LPSC Grenoble)
TL;DR
This paper describes the development of a high-speed level-1 jet trigger hardware for the ALICE EMCal at LHC, utilizing advanced FPGAs to enable fast, real-time jet triggering capabilities.
Contribution
It introduces a new FPGA-based electronic upgrade for the ALICE EMCal to perform rapid high-energy jet triggering at LHC.
Findings
Achieved data processing within 4 microseconds
Handled data rates of 26 Gbit/s
Enabled real-time jet trigger capability
Abstract
The ALICE experiment at the LHC is equipped with an electromagnetic calorimeter (EMCal) designed to enhance its capabilities for jet measurement. In addition, the EMCal enables triggering on high energy jets. Based on the previous development made for the Photon Spectrometer (PHOS) level-0 trigger, a specific electronic upgrade was designed in order to allow fast triggering on high energy jets (level-1). This development was made possible by using the latest generation of FPGAs which can deal with the instantaneous incoming data rate of 26 Gbit/s and process it in less than 4 {\mu}s.
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