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Neutrino Production via e-e+ Collision at Z-Boson Peak |
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| Authors: | CHANG Chao-Hsi FENG Tai-Fu HOU Feng-Yao LIU Chang PAN Zan |
| Affiliation: | 1. CCAST (World Laboratory), P.O. Box 8730, Beijing 100190, China;2. State Key Laboratory of Theoretical Physics (KLTP), Institute of theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China;3. Department of Physics, Hebei University, Baoding 071002, China;4. Department of Physics, Dalian University of Technology, Dalian 116024, China;5. Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China |
| Abstract: | The production of the three normal neutrinos via e-e+ collision at Z-boson peak (neutrino production in a Z-factory) is investigated thoroughly. The differences of ve-pair production from vμ-pair and vτ-pair production are presented in various aspects. Namely the total cross sections, relevant differential cross sections and the forward-backward asymmetry etc. for these neutrinos are presented in terms of figures as well as numerical tables. The restriction on the room for the mixing of the three species of light neutrinos with possible externals (heavy neutral leptons and/or sterile neutrinos) from refined measurements of the invisible width of Z-boson is discussed. |
| Keywords: | neutrino production e-e+ collision Z-boson resonance |
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