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Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD
Clqcd Collaboration
2011
发表期刊PHYSICAL REVIEW D
卷号84期号:3
通讯作者Liu, C (reprint author), Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
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.
关键词PION FORM-FACTOR LIGHT QUARKS FERMIONS
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.84.034503
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000294135400008
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213099
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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Clqcd Collaboration. Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD[J]. PHYSICAL REVIEW D,2011,84(3).
APA Clqcd Collaboration.(2011).Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD.PHYSICAL REVIEW D,84(3).
MLA Clqcd Collaboration."Radiative transitions in charmonium from N-f=2 twisted mass lattice QCD".PHYSICAL REVIEW D 84.3(2011).
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