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Huang, HW; Chao, KT; Huang, HW , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
QCD predictions for annihilation decays of P-wave quarkonia to next-to-leading order in alpha(s)
Source PublicationPHYSICAL REVIEW D
KeywordLattice Gauge-theory Charmonium States Dependence Spin
AbstractThe decay rates of P-wave heavy quarkonia to light hadrons are presented to leading order in upsilon(2) and next-to-leading order in alpha(s). They include contributions from both the color-singlet component and the color-octet component of quarkonia. Applying these results to charmonium and using measuring decay rates for the chi(c1) and chi(c2) by E760, we determine the two nonperturbative decay matrix elements, and then predict the hadronic decay rates of chi(c0) and h(c), and the electromagnetic decay rates of chi(c0) and chi(c2). The obtained decay rates of chi(c0) --> LH and chi(c0) --> gamma gamma are in agreement with the Crystal ball results, and also with the new measurements by BES. However, the results for Gamma(chi(c0) --> LH) are dependent on the choice of renormalization scale.
1996
ISSN0556-2821
Volume54Issue:11Pages:6850-6854
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12552
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, HW , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Huang, HW,Chao, KT,Huang, HW , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA.. QCD predictions for annihilation decays of P-wave quarkonia to next-to-leading order in alpha(s)[J]. PHYSICAL REVIEW D,1996,54(11):6850-6854.
APA Huang, HW,Chao, KT,&Huang, HW , CCAST,WORLD LAB,POB 8730,BEIJING 100080,PEOPLES R CHINA..(1996).QCD predictions for annihilation decays of P-wave quarkonia to next-to-leading order in alpha(s).PHYSICAL REVIEW D,54(11),6850-6854.
MLA Huang, HW,et al."QCD predictions for annihilation decays of P-wave quarkonia to next-to-leading order in alpha(s)".PHYSICAL REVIEW D 54.11(1996):6850-6854.
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