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题名: Transverse momentum dependence in the perturbative calculation of the pion form factor
作者: Cao, FG ;  Huang, T
刊名: MODERN PHYSICS LETTERS A
出版日期: 1998
卷号: 13, 期号:4, 页码:253-262
关键词: EXCLUSIVE PROCESSES ;  QUANTUM CHROMODYNAMICS ;  SUDAKOV SUPPRESSION ;  WAVE-FUNCTION ;  SUM-RULES ;  QCD ;  APPLICABILITY ;  BEHAVIOR
学科分类: Physics
通讯作者: Cao, FG , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
部门归属: CCAST, World Lab, Beijing 100080, Peoples R China; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: Transverse momentum dependence in the perturbative calculation of the pion electromagnetic form factor is re-analyzed. It is found that (a) the intrinsic transverse momentum dependence associated with the pion wave function significantly suppresses perturbative prediction for the pion form factor at the energy region of a few GeV, and (b) the transverse momentum dependence in the fermion propagator of the hard scattering leads to a mild reduction of the perturbative calculation. Our formalism is available for both the intermediate energy region (Q similar to a few GeV) and the asymptotic energy region (Q --> asymptotic to).
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000072446800001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12353
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Cao, FG,Huang, T. Transverse momentum dependence in the perturbative calculation of the pion form factor[J]. MODERN PHYSICS LETTERS A,1998,13(4):253-262.
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