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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 | |
ISSN | 1550-7998 |
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 | SCI期刊论文 |
通讯作者 | Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China. |
推荐引用方式 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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