Trigger Merging Module for the J-PARC E16 Experiment
M. Ichikawa, T. N. Takahashi, K. Aoki, S. Ashikaga, E. Hamada, R., Honda, Y. Igarashi, M. Ikeno, D. Kawama, M. Naruki, K. Ozawa, H. Sendai, K., N. Suzuki, M. Tanaka, T. Uchida, and S. Yokkaichi
TL;DR
The paper presents the development and testing of a trigger merging module for the J-PARC E16 experiment, capable of high-speed data processing from 256 channels to facilitate trigger decisions in particle physics measurements.
Contribution
A novel trigger merging module (TRG-MRG) with high-speed serialization and optical data transmission designed for the J-PARC E16 experiment.
Findings
Achieved 1 ns TDC performance
Successfully multiplexed data with four 6.25 Gbps transceivers
Demonstrated reliable operation in tests
Abstract
An experiment to measure an invariant mass of {\phi} mesons in nuclear medium is planned as the J-PARC E16 experiment. A trigger merging module (TRG-MRG) has been developed to detect leading-edges from 256 channels of discriminator-output signals and transmit those serialized hit data to trigger decision module with four optical links. The result of the test shows enough performance of the TRG-MRG as 1 ns TDC and data multiplexer with four 6.25 Gbps transceivers.
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