UPSILON(3S)-]UPSILON(1S)PI-PI-DECAY - IS THE PI-PI-SPECTRUM PUZZLE AN INDICATION OF A B(B)OVER-BAR-Q(Q)OVER-BAR-RESONANCE

被引：44

作者：

ANISOVICH, VV ^{[1
]}

BUGG, DV ^{[1
]}

SARANTSEV, AV ^{[1
]}

ZOU, BS ^{[1
]}

机构：

[1] PETERSBURG NUCL PHYS INST, GATCHINA 188350, RUSSIA

来源：

PHYSICAL REVIEW D | 1995年 / 51卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.51.R4619

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The ππ mass spectrum in Υ(3S)→Υ(1S)ππ has a peculiar double peak structure. This structure and the Υ(1S)π spectrum are reproduced by introducing a triangle singularity associated with a bb̄π resonance (JP=1+) in the mass range 10.4-10.8 GeV. © 1995 The American Physical Society.

引用

页码：R4619 / R4622

页数：4

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