Study of the B- → K- ηηc decay due to the D(D)over-bar bound state - 成果

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Study of the B^- → K^- ηη_c decay due to the D(D)over-bar bound state

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成果类型：

期刊论文

作者：

Li, Xin-Qiang;Lin, Li-Juan;Wang, En;Wei, Le-Le

通讯作者：

Li, XQ

作者机构：

[Li, Xin-Qiang; Wei, Le-Le] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.

[Li, Xin-Qiang; Wei, Le-Le] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.

[Li, Xin-Qiang] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China.

[Lin, Li-Juan; Wang, En] Zhengzhou Univ, Sch Phys, Zhengzhou 450001, Peoples R China.

[Wang, En] Guangxi Normal Univ, Guangxi Key Lab Nucl Phys & Nucl Technol, Guilin 541004, Peoples R China.

通讯机构：

[Li, XQ ] C

Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.

Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China.

语种：

英文

期刊：

PHYSICAL REVIEW D

ISSN：

2470-0010

年：

2024

卷：

109

期：

页码：

094014

DOI：

10.1103/PhysRevD.109.094014

基金类别：

Natural Science Foundation of Henan [222300420554, 232300421140]; National Natural Science Foundation of China [12135006, 12075097, 12192263]; Project of Youth Backbone Teachers of Colleges and Universities of Henan Province [2020GGJS017]; Open Project of Guangxi Key Laboratory of Nuclear Physics and Nuclear Technology [NLK2021-08]; Fundamental Research Funds for the Central Universities [CCNU19TD012, CCNU22LJ004]

机构署名：

本校为第一且通讯机构

院系归属：

物理科学与技术学院

摘要：

We study the B- -> K- eta eta(c) decay by taking into account the S-wave contributions from the pseudoscalar meson-pseudoscalar meson interactions within the unitary coupled-channel approach, where the D (D) over bar bound state is dynamically generated. In addition, the contribution from the intermediate resonance K-0(*) (1430)(-), with K-0*(1430)(-) -> K- eta, is also considered. Our results show that there is a clear peak around 3720 MeV in the eta eta(c) invariant mass distribution, which could be associated with the D (D) over bar bound state. The future precise measurements of the B- -> ...

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Study of the B^- → K^- ηη_c decay due to the D(D)over-bar bound state

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