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Constraining the transitional magnetic dipole moment interaction between active and heavy neutrinos with the Z′ at FASER ν
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Constraining the transitional magnetic dipole moment interaction between active and heavy neutrinos with the Z′ at FASER ν

Kingman CheungC.J. Ouseph
European Physical Journal C, 卷.83(7), 593
07/2023

摘要

Engineering (miscellaneous) Physics and Astronomy (miscellaneous)
We investigate the effects of the transitional magnetic dipole type interactions of the active-to-heavy-neutrino associated with a new neutral gauge boson Z <sup>′</sup> on neutrino-nucleon scattering at the ForwArd Search ExpeRiment- ν (FASER ν). We consider the neutral-current neutrino-nucleon scattering (νA→ NA <sup>′</sup> , where A <sup>′</sup> denotes the disintegrated nuclei) as the production mechanism of the heavy neutrino N at FASER ν and estimate the sensitivity reach on the magnetic-type dipole coupling ωνα for a range of heavy neutrino mass (1GeV<MN<70GeV). In this study, we consider three benchmark models, in which the heavy neutrino is coupled to L <sub>e</sub> , L <sub>μ</sub> or L <sub>τ</sub> doublet, respectively.

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https://doi.org/10.1140/epjc/s10052-023-11784-5檢視
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