The muon anomaly (g-2)(mu)/2 has been measured to 0.54 parts per million by E821 experiment at Brookhaven National Laboratory, and at present there is a 3-4 standard-deviation difference between the Standard Model prediction and the experimental value. A new muon g-2 experiment, E989, is being prepared at Fermilab that will improve the experimental error by a factor of four to clarify this difference. A central component to reach this fourfold improvement in accuracy is the high-precision laser calibration system which should monitor the gain fluctuations of the calorimeter photodetectors at 0.04% accuracy
Titolo: | The calibration system of the new g-2 experiment at Fermilab |
Autori: | |
Data di pubblicazione: | 2016 |
Rivista: | |
Abstract: | The muon anomaly (g-2)(mu)/2 has been measured to 0.54 parts per million by E821 experiment at Brookhaven National Laboratory, and at present there is a 3-4 standard-deviation difference between the Standard Model prediction and the experimental value. A new muon g-2 experiment, E989, is being prepared at Fermilab that will improve the experimental error by a factor of four to clarify this difference. A central component to reach this fourfold improvement in accuracy is the high-precision laser calibration system which should monitor the gain fluctuations of the calorimeter photodetectors at 0.04% accuracy |
Handle: | http://hdl.handle.net/11368/2898657 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.nima.2015.11.059 |
URL: | http://www.sciencedirect.com/science/article/pii/S0168900215014242 |
Appare nelle tipologie: | 1.1 Articolo in Rivista |
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