We show that the X17 vector boson, introduced to explain the 8Be anomalous decay, could play a role in the muon’s (electron’s) anomalous magnetic moment and the muonic Lamb shift anomaly. We compute an upper bound on the couplings of X17 to leptons and nucleons, analyzing these anomalies. We further constrain the possible kinetic mixing with the U(1)Y boson of the Standard Model by using the latest available data on the W boson mass.
The impact of the X17 boson on particle physics anomalies: muon anomalous magnetic moment, Lamb shift and W mass.
Antonio Capolupo;Aniello Quaranta;Raoul Serao
2024-01-01
Abstract
We show that the X17 vector boson, introduced to explain the 8Be anomalous decay, could play a role in the muon’s (electron’s) anomalous magnetic moment and the muonic Lamb shift anomaly. We compute an upper bound on the couplings of X17 to leptons and nucleons, analyzing these anomalies. We further constrain the possible kinetic mixing with the U(1)Y boson of the Standard Model by using the latest available data on the W boson mass.File in questo prodotto:
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