Development of the electromagnetic calorimeter waveform digitizers for the Fermilab Muon g-2 experiment

Oct 31, 2015
8 pages
Published in:
  • PoS EPS-HEP2015 (2015) 280
Contribution to:
  • Published: Oct 31, 2015 by SISSA

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Abstract:
The upcoming Fermilab E989 experiment will measure the muon anomalous magnetic moment a_μ. This measurement is motivated by the previous measurement performed in 2001 by the BNL E821 experiment that reported a 3-4 standard deviation discrepancy between the measured value and the Standard Model prediction. The new measurement at Fermilab aims to improve the precision by a factor of four reducing the total uncertainty from 540 parts per billion (BNL E821) to 140 parts per billion (Fermilab E989). Such an improvement requires a reduction by a factor of three in the systematic uncertainties. Among other improvements, a new calorimetry system is being designed and built for the E989 experiment. This paper describes the waveform digitizer system deployed for the electromagnetic calorimeter.
  • calorimeter: electromagnetic
  • muon: magnetic moment
  • Brookhaven Lab