Piccinini, F. and Marconi, U. (2018) The MUonE project. Il nuovo cimento C, 41 (4). pp. 1-8. ISSN 1826-9885
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Abstract
The precision measurement of the anomalous magnetic moment g−2 of the muon presently exhibits a 3.5 σ deviation between theory and experiments. In the next few years the anomalous magnetic moment will be measured to higher precisions at Fermilab and J-PARC. The theoretical prediction can be improved by reducing the uncertainty on the leading hadronic correction aHLO μ to the g−2. Here we present a new approach to determine aHLO μ with space-like data, by means of a precise measurement of the hadronic contribution to the effective electromagnetic coupling α, exploiting the elastic scattering of 150GeV muons (currently available at CERN North area) on atomic electrons of a low-Z target. The direct measurement of aHLO μ in the space-like region will provide a new independent determination and will consolidate the theoretical prediction of the muon g−2 in the Standard Model. It will allow, therefore, a firmer interpretation of the measurements of the future muon g−2 experiments at Fermilab and J-PARC.
| Item Type: | Article |
|---|---|
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 24 Nov 2020 14:26 |
| Last Modified: | 24 Nov 2020 14:26 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/20280 |
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