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Chen, Y; Du, DC; Guo, BZ; Li, N; Liu, C; Liu, H; Liu, YB; Ma, JP; Meng, XF; Niu, ZY; Zhang, JB; Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD
发表期刊PHYSICAL REVIEW D
语种英语
关键词Pion Form-factor Light Quarks Fermions
摘要We present an exploratory study for charmonium radiative transitions: J/psi -> eta(c)gamma, chi(c0) -> J/Psi gamma, and h(c) -> eta(c)gamma using Nf = 2 twisted-mass lattice QCD gauge configurations. The single-quark vector form factors for eta(c) and chi(c0) are also determined. The simulation is performed at a lattice spacing of a = 0.067(2) fm and the lattice size is 32(3) x 64 with a pion mass of about 485 MeV. After extrapolation of lattice data at nonzero Q(2) to 0, we compare our results with previous quenched lattice results and the available experimental values.
2011
ISSN1550-7998
卷号84期号:3页码:34503
学科领域Physics
收录类别SCI
项目资助者National Science Foundation of Chian (NSFC) [10835002, 11021092, 10675101, 11075167, 10975076] ; National Science Foundation of Chian (NSFC) [10835002, 11021092, 10675101, 11075167, 10975076] ; National Science Foundation of Chian (NSFC) [10835002, 11021092, 10675101, 11075167, 10975076] ; National Science Foundation of Chian (NSFC) [10835002, 11021092, 10675101, 11075167, 10975076]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14288
专题理论物理所科研产出_SCI论文
通讯作者Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
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GB/T 7714
Chen, Y,Du, DC,Guo, BZ,et al. Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD[J]. PHYSICAL REVIEW D,2011,84(3):34503.
APA Chen, Y.,Du, DC.,Guo, BZ.,Li, N.,Liu, C.,...&Liu, C .(2011).Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD.PHYSICAL REVIEW D,84(3),34503.
MLA Chen, Y,et al."Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD".PHYSICAL REVIEW D 84.3(2011):34503.
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