DIS中夸克的横向力
Transverse Force on Quarks in DIS
摘要：
扭转3极化部分子分布$g_2(x)$的$x^2$ -矩的相互作用依赖部分与作用在横向极化核子吸收虚光子后立即发生的深度非弹性散射中的活动夸克上的横向力有关。类似地，手征奇扭3非极化部分子分布$e(x)$的$x^2$ -矩可以与从横向极化核子射出的横向极化夸克所经受的横向力有关。
英文摘要：
The interaction dependent part of the $x^2$-moment of the twist-3 polarized parton distribution $g_2(x)$ is related to the transverse force acting on the active quark in deep-inelastic scattering off a transversely polarized nucleon immediately after it has absorbed the virtual photon. Similarly, the $x^2$-moment of the chirally odd twist-3 unpolarized parton distribution $e(x)$ can be related to the transverse force experienced by a transversely polarized quark ejected from a transversely polarized nucleon.
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