Off-Shell Longitudinal Photon Light-Cone Wavefunction in the Low-Energy Effective Theory of QCD
ZHU Kai, LIU Jue-Ping, YU Ran
College of Physics and Technology, Wuhan University, Wuhan 430072
Off-Shell Longitudinal Photon Light-Cone Wavefunction in the Low-Energy Effective Theory of QCD
ZHU Kai; LIU Jue-Ping;YU Ran
College of Physics and Technology, Wuhan University, Wuhan 430072
关键词 ：
11.15.Tk ,
11.55.Hx ,
12.38.Lg ,
14.70.Bh
Abstract ： Within the framework of the low-energy effective theory arising from the instanton vacuum model of QCD, the longitudinal virtual photon light-cone wavefunction, Фγ|| (u,P2 ), corresponding to the nonlocal quark--antiquark vector current is calculated at the low-energy scale. The coupling constant, Fγ (P2 ) or equivalently fγ (P2 ), of the quark--antiquark vector current to the virtual photon state is also obtained by imposing the normalization condition to the photon wavefunction. The behaviour of the coupling constant as well as the obtained photon wavefunction is discussed.
Key words ：
11.15.Tk
11.55.Hx
12.38.Lg
14.70.Bh
出版日期: 2006-05-01
引用本文:
ZHU Kai; LIU Jue-Ping;YU Ran. Off-Shell Longitudinal Photon Light-Cone Wavefunction in the Low-Energy Effective Theory of QCD[J]. 中国物理快报, 2006, 23(5): 1128-1131.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I5/1128
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2006, Vol. 23 
