期刊
PHYSICAL REVIEW D
卷 103, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.103.035022
关键词
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资金
- JSPS KAKENHI [JP18H01210, JP18K03651]
- MEXT KAKENHI [JP18H05543]
- Sasakawa Scientific Research Grant from the Japan Science Society
In this study, the distributions of energy, opening angle, and invariant mass in muonic neutrino trident production processes are analyzed in a specific model. Numerical analyses reveal that differences among new physics parameter sets can be reflected in the muon energy and invariant mass distributions when the total cross section is the same, while the antimuon energy and opening angle distributions are not sensitive to the parameters.
We analyze the distributions of energy, the opening angle, and the invariant mass in muonic neutrino trident production processes, nu(mu) -> nu(mu)mu(mu) over bar, in a minimal gauged U(1)(L mu-L tau) model, in which the discrepancy of the anomalous magnetic moment of muon can be solved. It is known that the total cross section of neutrino trident production has parameter degeneracy in the new gauge boson mass and gauge coupling constant, and therefore other observables are needed to determine these parameters. From numerical analyses, we find that the muon energy and invariant mass distributions show the differences among the new physics parameter sets with which the total cross section has the same value, while the antimuon energy and opening angle distributions are not sensitive to the parameters.
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