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Can Nonrelativistic QCD Explain the gamma gamma* -> eta(c) Transition Form Factor Data?
Feng, F; Jia, Y; Sang, WL; Feng, F (reprint author), China Univ Min & Technol, Beijing 100083, Peoples R China.
2015
发表期刊PHYSICAL REVIEW LETTERS
卷号115期号:22页码:222001
文章类型Article
摘要Unlike the bewildering situation in the gamma gamma* -> pi form factor, a widespread view is that perturbative QCDcan decently account for the recentBABAR measurement of the gamma gamma* ->eta(c) transition formfactor. The nextto- next-to-leading-order perturbative correction to the gamma gamma* ->eta(c,b) form factor, is investigated in the nonrelativistic QCD (NRQCD) factorization framework for the first time. As a byproduct, we obtain, by far, the most precise order-alpha(2)(s) NRQCD matching coefficient for the eta(c,b) -> gamma gamma process. After including the substantial negative order-alpha(2)(s) correction, the good agreement between NRQCD prediction and the measured gamma gamma* ->eta(c) form factor is completely ruined over a wide range of momentum transfer squared. This eminent discrepancy casts some doubts on the applicability of the NRQCD approach to hard exclusive reactions involving charmonium.
学科领域Physics
资助者National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1]
DOIhttp://dx.doi.org/10.1103/PhysRevLett.115.222001
关键词[WOS]B-C-MESON ; E(+)E(-) ANNIHILATION ; MATHEMATICA PACKAGE ; LEPTONIC DECAYS ; ROOT-S=10.6 GEV ; QUARK ; COEFFICIENTS ; AMPLITUDES ; INTEGRALS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; National Natural Science Foundation of China [11505285, 11447031] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; Fundamental Research Funds for the Central Universities [SWU114003, XDJK2016C067] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; National Natural Science Foundation of China (DGF and NSFC) [11475188, 11261130311, CRC110] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; IHEP Innovation Grant [Y4545170Y2] ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; State Key Lab for Electronics and Particle Detectors ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics [Y4KF081CJ1]
WOS类目Physics, Multidisciplinary
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20783
专题理论物理所SCI论文
通讯作者Feng, F (reprint author), China Univ Min & Technol, Beijing 100083, Peoples R China.
推荐引用方式
GB/T 7714
Feng, F,Jia, Y,Sang, WL,et al. Can Nonrelativistic QCD Explain the gamma gamma* -> eta(c) Transition Form Factor Data?[J]. PHYSICAL REVIEW LETTERS,2015,115(22):222001.
APA Feng, F,Jia, Y,Sang, WL,&Feng, F .(2015).Can Nonrelativistic QCD Explain the gamma gamma* -> eta(c) Transition Form Factor Data?.PHYSICAL REVIEW LETTERS,115(22),222001.
MLA Feng, F,et al."Can Nonrelativistic QCD Explain the gamma gamma* -> eta(c) Transition Form Factor Data?".PHYSICAL REVIEW LETTERS 115.22(2015):222001.
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