SciPost Submission Page
Status of the MUonE experiment
by Pilato R. N.
|As Contributors:||Riccardo Nunzio Pilato|
|Date submitted:||2021-12-09 10:15|
|Submitted by:||Pilato, Riccardo Nunzio|
|Submitted to:||SciPost Physics Proceedings|
|Proceedings issue:||16th International Workshop on Tau Lepton Physics (TAU2021)|
The latest measurement of the muon g-2, recently announced at Fermilab, exhibits a 4.2σ discrepancy from the Standard Model prediction. The hadronic contribution aμHLO represents the main source of uncertainty on the theoretical prediction. The MUonE experiment proposes a novel approach to determine aμHLO by measuring the effective electromagnetic coupling in the space-like region, via μ−e elastic scattering. The measurement is performed by scattering a 160 GeV muon beam, available at CERN, on atomic electrons of a low-Z target. A Test Run on a reduced detector is planned in 2022, to validate this proposal. The status of the experiment in view of the Test Run is presented.
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