Interpretation of Z<sub>b</sub>(10610) and Z<sub>b</sub>(10650) in the ISPE mechanism and the Charmonium Counterpart

CHEN Dian-Yong; LIU Xiang; Takayuki Matsuki

doi:10.1088/1674-1137/38/5/053102

Chinese Physics C> 2014, Vol. 38> Issue(5) : 053102 DOI: 10.1088/1674-1137/38/5/053102

Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart

CHEN Dian-Yong ^1,3,, ,
LIU Xiang ^2,3,, ,
Takayuki Matsuki ^4,,

1.
Nuclear Theory Group, Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China
2.
Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics ofChinese Academy of Sciences, Lanzhou 730000, China
3.
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
4.
Tokyo Kasei University, 1-18-1 Kaga, Itabashi, Tokyo 173-8602, Japan

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Abstract：
The initial single pion emission (ISPE) mechanism is applied to the processes Υ(5S)→πB^(*)B^(*), whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell's measurements; that is, we succeed in reproducing the enhancement structures of Z_b(10610) and Z_b(10650). Inspired by this success, we also predict the corresponding enhancement structures in open charm one-pion decays of higher charmonia near the thresholds of D^*D and D^*D^*.

References

[1]

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CHEN Dian-Yong, LIU Xiang and Takayuki Matsuki. Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart[J]. Chinese Physics C, 2014, 38(5): 053102. doi: 10.1088/1674-1137/38/5/053102

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Received: 2013-05-08
Revised: 2013-12-05

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通讯作者: 陈斌, [email protected]

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart

Corresponding author: CHEN Dian-Yong,

Corresponding author: LIU Xiang,

Corresponding author: Takayuki Matsuki,

1. Nuclear Theory Group, Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China

2. Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics ofChinese Academy of Sciences, Lanzhou 730000, China

3. School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China

4. Tokyo Kasei University, 1-18-1 Kaga, Itabashi, Tokyo 173-8602, Japan

Received Date: 2013-05-08

Accepted Date: 2013-12-05

Available Online: 2014-05-05

Abstract: The initial single pion emission (ISPE) mechanism is applied to the processes Υ(5S)→πB^(*)B^(*), whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell's measurements; that is, we succeed in reproducing the enhancement structures of Z_b(10610) and Z_b(10650). Inspired by this success, we also predict the corresponding enhancement structures in open charm one-pion decays of higher charmonia near the thresholds of D^*D and D^*D^*.

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Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart

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Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart

Corresponding author: CHEN Dian-Yong,

Corresponding author: LIU Xiang,

Corresponding author: Takayuki Matsuki,

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Interpretation of Zb(10610) and Zb(10650) in the ISPE mechanism and the Charmonium Counterpart

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通讯作者: 陈斌, [email protected]

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Interpretation of Zb(10610) and Zb(10650) in the ISPE mechanism and the Charmonium Counterpart

Corresponding author: CHEN Dian-Yong,

Corresponding author: LIU Xiang,

Corresponding author: Takayuki Matsuki,

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Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart

Interpretation of Z_b(10610) and Z_b(10650) in the ISPE mechanism and the Charmonium Counterpart