Neutrino-electron scattering in left-right-symmetric models
- Centro de Investigacion y de Estudios Avanzados del Istituto Politecnico Nacional, Departamento de Fisica, A. P. 14-470, Mexico 07000, Distrito Federal (Mexico)
- Unidad Autonoma de Puebla, Facultad de Ciencias Fisico Matematicas, A. P. 1364, 72000, Puebla (Mexico)
- Centro de Investigacion y de Estudios Avanzados del Istituto Politecnico Nacional, Unidad Merida, Departamento de Fisica Aplicada, A. P. 73, Cordemex 97310, Merida, Yucatan (Mexico)
The neutral-current scattering cross section for neutrinos on electrons is calculated under the assumption that neutrinos have mass, and the right-handed currents are present in the framework of a left-right-symmetric model (LRSM). Limits on the LRSM parameters and the neutrino mass are obtained using the experimental data and the SN 1987A measurements. We discuss the relationship between the electron neutral couplings [ital g][sub [ital A]][sup [ital e]] and [ital g][sub [ital V]][sup [ital e]] and the LRSM parameters. We found that the LRSM parameters are restricted to be in the region 0.012[le][phi][le]0.044 and [ital M][sub [ital Z]2][ge]769 GeV. We also found a restriction to the neutrino mass [ital m][sub [nu]][le]8.6 keV, which applies to the [mu] or [tau] neutrino.
- OSTI ID:
- 7239057
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Vol. 49:11; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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