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题名: The nature of Z(b) states from a combined analysis of gamma(5S) -> h(b)(mP) pi(+)pi(-) and gamma(5S) -> B-(*())(B)over-bar(()*())pi
作者: Huo, WS ;  Chen, GY
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2016
卷号: 76, 期号:3, 页码:172
学科分类: Physics
DOI: http://dx.doi.org/10.1140/epjc/s10052-016-4013-0
通讯作者: Chen, GY (reprint author), Xinjiang Univ, Dept Phys, Urumqi 830046, Peoples R China. ;  Chen, GY (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: With a combined analysis of data on gamma(5S) -> h(b)(1P, 2P)pi(+)pi(-) and gamma(5S) -> B-(*())(B) over bar (()*()) pi in an effective field theory approach, we determine resonance parameters of Z(b) states in two scenarios. In one scenario we assume that Z(b) states are pure molecular states, while in the other one we assume that Z(b) states contain compact components. We find that the present data favor that there should be some compact components inside Z(b)((r)) associated with themolecular components. By fitting the invariant mass spectra of gamma(5S) -> h(b)(1P, 2P)pi(+)pi(-) and gamma(5S) -> B-(*())(B) over bar*pi, we determine that the probability of finding the compact components in Z(b) states may be as large as about 40 %.
类目[WOS]: Physics, Particles & Fields
关键词[WOS]: EFFECTIVE-FIELD THEORY ;  ELEMENTARY PARTICLE ;  X(3872)
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11147022, 11305137] ;  Doctoral Foundation of Xinjiang University [BS110104]
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21717
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Huo, WS,Chen, GY. The nature of Z(b) states from a combined analysis of gamma(5S) -> h(b)(mP) pi(+)pi(-) and gamma(5S) -> B-(*())(B)over-bar(()*())pi[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(3):172.
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文件名: The nature of Zb states from a combined analysis of ϒ(5S)→hb(mP)ππ− and ϒ(5S)→ B(∗) ¯ B(∗)π - Huo, Chen - 2015.pdf
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