Analysis of the decays ψ′ → J/ψπ+π- and η′c → ηcπ+π- with the heavy-quark symmetry

被引：4

作者：

Wang, Zhi-Gang ^{[1
]}

机构：

[1] N China Elect Power Univ, Dept Phys, Baoding 071003, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL A | 2011年 / 47卷 / 08期

关键词：

SHORT-DISTANCE ANALYSIS; SIGMA-MESON PRODUCTION; HADRONIC TRANSITIONS; CHIRAL-SYMMETRY; QUANTUM CHROMODYNAMICS; DIPION DECAYS; S-WAVE; UPSILON; STATES; SYSTEMS;

D O I：

10.1140/epja/i2011-11094-3

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

In this article, we study the decays psi ' -> J/psi pi(+)pi(-) and eta '(c) -> eta(c)pi(+)pi(-) by taking into account the chiral symmetry breaking effects, the final- state interactions and the heavy-quark symmetry. We can confront the predictions of the eta '(c) -> eta(c)pi(+)pi(-) decay width and differential decay width with the experimental data in the future, and obtain powerful constraints on the chiral breaking effects and the final- state interactions, and test the heavy-quark symmetry.

引用

页数：5

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