Finding an h1(1830) State in J/ψ → ηh1 → ηK*0 (K)over-bar*0 BESII Data

被引：0
|
作者：
Albaladejo, Miguel [1 ,2 ]
Xie, Ju Jun [3 ,4 ]
Oset, Eulogio [1 ,2 ]
机构：
[1] Univ Valencia, CSIC, Ctr Mixto, Inst Invest Paterna,Dept Fis Teor, Aptdo 22085, Valencia 46071, Spain
[2] Univ Valencia, CSIC, Ctr Mixto, Inst Invest Paterna,IFIC, Aptdo 22085, Valencia 46071, Spain
[3] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[4] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
来源：
XVITH INTERNATIONAL CONFERENCE ON HADRON SPECTROSCOPY (HADRON2015) | 2016年 / 1735卷
关键词：
D O I：
10.1063/1.4949421
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A clear enhancement is seen in the BES data for the reaction J/psi -> eta K*(0)(K) over bar*(0), close to the K*(K) over bar* channel threshold. If it is produced by an S-wave resonance around threshold, it would correspond to an h(1) state with quantum numbers I-G(J(PC)) = 0(-)(1(+-)). Using the local hidden gauge approach, a state around 1800 MeV is generated from the interaction of the K*(K) over bar*. The peak observed in J/psi -> eta K*(0)(K) over bar*(0) is naturally explained by this h(1) state, for which we determine a mass and width around 1830 MeV and 110 MeV, respectively. We corroborate this result with a second, model independent analysis.
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页数：6
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