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Quarkonia-glueball structure of the ground pseudoscalar mesons
Li, DM; Ma, B; Yu H(郁宏); Yu, H
2003
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷号18期号:19页码:3335-3346
通讯作者Zhengzhou Univ, Dept Phys, Zhengzhou 450052, Henan, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要Considering corrections due to SU(3) flavor symmetry breaking, non-ideal omega - phi mixing, double OZI and electromagnetic amplitudes of J/psi decays into a vector and a pseudoscalar meson, and three-gluon-annihilation amplitudes of radiative decays of J/psi into a pseudoscalar meson, we investigate two-photon decays of pseudoscalar mesons, radiative decays between pseudoscalar and vector mesons, decays of J/psi into a vector and a pseudoscalar meson, and radiative decays of J/psi into a pseudoscalar meson. The quarkonia-glueball structure of eta, eta' and eta(1440) is phenomenologically deduced from the fit to the updated world average data concerning the above mentioned decays. We find that eta(eta') contains about 48.7%, 47.6%, 3.7% (32.9%, 48.8%, 18.3%) non-strange quarkonium, strange quarkonium and glueball components, respectively, and that eta(1410) is mainly a glueball state (about 78% glueball component), mixed with 18.5% non-strange quarkonium and 3.5% strange quarkonium. We predict that Br(J/psi --> gammaeta) : Br(J/psi --> gammaeta') : Br(J/psi --> gammaeta(1410)) = 1.0 : 5.2 : 8.0, which can be tested at BEPC/BES with 50 million J/psi events.
关键词pseudoscalar mesons pseudoscalar glueball mixing
学科领域Physics
研究领域[WOS]Physics ; Physics
DOI10.1142/S0217751X03015210
URL查看原文
语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000184974000005
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239895
专题理论物理室
作者单位中国科学院高能物理研究所
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Li, DM,Ma, B,Yu H,et al. Quarkonia-glueball structure of the ground pseudoscalar mesons[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2003,18(19):3335-3346.
APA Li, DM,Ma, B,郁宏,&Yu, H.(2003).Quarkonia-glueball structure of the ground pseudoscalar mesons.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,18(19),3335-3346.
MLA Li, DM,et al."Quarkonia-glueball structure of the ground pseudoscalar mesons".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 18.19(2003):3335-3346.
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