Scientific Results

Design and Performance of Data Acquisition and Control System for the Muon g-2 Laser Calibration

Year: 2020

Authors: Mastroianni S., Anastasio A., Bedeschi F., Boiano A., Cantatore G., Cauz D., Corradi G., Dabagov S., Di Meo P., Driutti A., Di Sciascio G., Di Stefano R., Ferrari C., Fioretti A., Gabbanini C., Gioiosa A., Hampai D., Iacovacci M., Incagli M., Karuza M., Lusiani A., Marignetti F., Nath A., Pauletta G., Piacentino GM., Santi L., Venanzoni G.

Autors Affiliation: ‎INFN Sez, I-80126 Naples, Italy; INFN Sez, I-56127 Pisa, Italy; Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy;‎ INFN Sez, I-34149 Trieste, Italy; Univ Udine, Dipartimento Sci Matemat Informat & Fis, I-33100 Udine, Italy; INFN LNF, I-00044 Frascati, Italy;‎ INFN, Lab Naz Frascati, I-00044 Frascati, Italy; PN Lebedev Phys Inst, Moscow 119333, Russia; INFN Sez, I-00146 Rome, Italy; Univ Cassino, Dipartimento Ingn Elettr & Informaz, I-03043 Cassino, Italy;‎ CNR, Ist Nazl Ott, I-56124 Pisa, Italy; Univ Molise, Dipartimento Biosci & Terr, I-86100 Campobasso, Italy; Univ Napoli, Dipartimento Fis, I-80138 Naples, Italy; Univ Rijeka, Dept Phys, Rijeka FCGH, Croatia; Scuola Normale Super Pisa, I-56126 Pisa, Italy; INFN Sez, I-56124 Pisa, Italy

Abstract: The Muon g-2 Experiment at Fermilab (E989) will measure the muon magnetic anomaly with unprecedented precision (0.14 ppm), which yields a factor of 4 improvement with respect to the previous measurements at Brookhaven National Laboratory (BNL) (E821). To achieve this goal, the relative response of each calorimeter channel must be calibrated and monitored at a level better than 10(-3) in the time window of the muon fill. The calibration system uses a laser source and photodetectors. The data acquisition (DAQ) of the system is designed around two field-programmable gate array (FPGA)-based boards and a custom crate bus. The front-end board manages the photodetector operation and signal processing and performs a first-level data concentration task. Up to 12 FPGA boards can be housed in a 6U crate. A readout master controls the boards, implements event-building functionalities, manages the monitoring interface, and facilitates calibration and debugging tasks. A gigabit-ethernet interface is used to transfer data to the on-line farm for storage and further processing. Presently, the system is working at Fermi National Accelerator Laboratory (FNAL). In this article, we present the DAQ system design, run control user interface, and system evaluation.

Journal/Review: IEEE TRANSACTIONS ON NUCLEAR SCIENCE

Volume: 67 (5)      Pages from: 832  to: 839

KeyWords: Calibration system; data acquisition (DAQ) and control; field-programmable gate array (FPGA)
DOI: 10.1109/TNS.2020.2980967

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