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- W253394190 abstract "We have shown that the study of the properties of toponium can be carried out by analyzing the interference pattern in the differential cross section of elastic e/sup +/e/sup -/ annihilation if the mass of the toponium is close to the mass of the Z/sup 0/. In particular, such an approach would greatly simplify the determination of such parameters of the tt-bar system as the mass of the t quark and the vector coupling constant of the t quark to the Z/sup 0/ boson. We have found that in the case of complete mass degeneracy of one of the toponium levels (for instance the ground state) with the Z/sup 0/ meson the differential cross section of the reaction e/sup +/e/sup -/..-->..e/sup +/e/sup -/ has an interference pattern, as indeed also has e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/, which displays a dip at the position of the resonance even after averaging the cross section over the likely energy spread of the initial e/sup +/e/sup -/ beams and taking account of the radiative corrections." @default.
- W253394190 created "2016-06-24" @default.
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- W253394190 date "1987-12-01" @default.
- W253394190 modified "2023-09-24" @default.
- W253394190 title "Characteristics of degenerate Z /sup 0/ meson and vector toponium interference in elastic e/sup +/e/sup -/ annihilation" @default.
- W253394190 hasPublicationYear "1987" @default.
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