On Transverse-Momentum Dependent Light-Cone Wave Functions of Light Mesons

On Transverse-Momentum Dependent Light-Cone Wave Functions of Light Mesons
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关于轻介子的横向动量相关的光锥波函数

DOI:
10.1016/j.physletb.2006.09.029
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发表时间:
2006-05
期刊:
影响因子:
4.4
通讯作者:
--
中科院分区:
物理与天体物理2区
文献类型:
--
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轻介子的横动量相关(TMD)光锥波函数是TMD QCD因子分解的重要组成部分。这种因式分解允许一个方便地恢复Sudakov图出现在共线因式分解。TMD光锥波函数与标准光锥波函数的共线因式分解并不是简单的在横动量上积分。探讨了TMD光锥波函数与共线分解波函数之间的关系。得到了两种因式分解关系,一种可用于TMD光锥波函数模型的建立,另一种可用于TMD光锥波函数模型的重建。这些关系将有助于建立两种类型的因式分解之间的联系。
Transverse-momentum dependent (TMD) light-cone wave functions of a light meson are important ingredients in the TMD QCD factorization of exclusive processes. This factorization allows one conveniently resume Sudakov logarithms appearing in collinear factorization. The TMD light-cone wave functions are not simply related to the standard light-cone wave functions in collinear factorization by integrating them over the transverse momentum. We explore relations between TMD light-cone wave functions and those in the collinear factorization. Two factorized relations can be found. One is helpful for constructing models for TMD light-cone wave functions, and the other can be used for resummation. These relations will be useful to establish a link between two types of factorization.
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