Eight Quark Model with Modified Left-Handed Currents

概要

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An eight quark model with left-handed currents alone and with lepton-quark correspondence is discussed with respect to various anomalous events in neutrino reactions and e^+e^- annihilations. Rising behavior of σ_T^<ν^^->/σ_T^ν and <y^<ν^^-> > is shown to be interpreted in terms of a dynamical scaling violation with eight quark flavors. Mixing of charmed quarks with nucleonic ones in our left-handed doublets is important for overall explanations of recent weak phenomena, especially, x distributions in dimuon production. The T/ψ and ψ' particles are naturally assigned to new isospin triplet (I'=1) states with different quark configurations. Finally it is shown that there is another interesting possibility of having the rise of σ_T^<ν^^->/σ_T^ν through b quark production with our left-handed current (u^^-b)_L, if the t quark mass is much higher than that of the b quark.
理論物理学刊行会の論文
1977-09-25