Four-quark mesons in nonleptonic B decays:: Could they resolve some old puzzles? -: art. no. 114016

被引：36

作者：

Bigi, I ^{[1
]}

Maiani, L

Piccinini, F

Polosa, AD

Riquer, V

机构：

[1] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA

[2] Univ Roma La Sapienza, Rome, Italy

[3] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy

[4] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy

[5] Dipartimento Fis Teorica & Nucl, I-27100 Pavia, Italy

[6] Univ Bari, Dipartmento Fis, Bari, Italy

[7] Ist Nazl Fis Nucl, I-70126 Bari, Italy

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.72.114016

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We point out that nonleptonic B decays driven by b -> c (c) over bars should provide a favorable environment for the production of hidden charm diquark-antidiquark bound states that have been suggested to explain the resonances with masses around 4 GeV recently observed by BABAR and BELLE. Studying their relative abundances in nonleptonic B decays can teach us novel lessons about their structure and the strong interactions. Through their decay into psi they can provide a natural explanation of the excess of B ->psi X observed for p(psi)< 1 GeV. Other phenomenological consequences are mentioned as well.

引用

页数：6

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