η - η′ mixing and decays of mesons with heavy quarks

η - η′ mixing and decays of mesons with heavy quarks
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重夸克介子的 η - η′ 混合和衰变

DOI:
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发表时间:
2016
期刊:
影响因子:
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通讯作者:
V. Samoylenko
V. Samoylenko
中科院分区:
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文献类型:
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作者:
J. Balitsky;Valery V. Kiselev;A. Likhoded;V. Samoylenko

文献摘要

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最终态中夸克-反夸克对的弹性重散射和湮灭可以解释电荷交换反应中 η 和 η′ 介子截面比的 t 依赖性。已经获得了具有等标量状态 ūu + dd 和隐藏奇异值 ss 的混合角 η − η′ 的估计。还考虑了 B0、Bs0 和 J/ψ 衰变中 η 和 η′ 介子输出的一致描述。
The inclusion of elastic rescattering and annihilation of quark–antiquarks pairs in final state can explain the t-dependency for cross-section ratio of η and η′ mesons in charge exchange reaction. The estimation for mixing angle η − η′ with isoscalar states ūu + dd and hidden strangeness ss has been obtained. The consistent description of η and η′ meson outputs in B0, Bs0 and J/ψ decays was also considered.