Decays of Mesons into Lepton Pairs and Deviation from e-μ Universality
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概要
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On the basis of the Hiroshima model where urbaryons t_1, t_2 and t_3 respectively contain lepton pairs cosθν_eν^^-_e+sinθν_μν^^-μ,e^-ν^^-_e and μ^-ν^^-_μ as the constituents, a possible existence of such "eakage" processes as "inner" leptons are directly extracted from inside of urbaryon by electromagnetic interaction is investigated. Such a "leakage" process gives violation of e-μuniversality. The most suitable check is given by the studies of vector meson decays into lepton pairs V→ll^^-. We get R_ρ=1+ε,R_φbne1-3_ε and R_wbne1-3_ε with a negative small value of the parameter ε, where R_V=g(V→ee^^-)/g(V→μμ^^-). Our results R_ρ and R_φ give good agreement with the recent experiments. Furthermore, it is shown that the existence of "leakage" processes is also consistent with experiments η→μμ^^-.
- 理論物理学刊行会の論文
- 1973-08-25
著者
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Koide Yoshio
Department Of Applied Mathematics Faculty Of Engineering Science Osaka University
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KOIDE Yoshio
Department of Applied Mathematics Faculty of Engineering Science, Osaka University
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