重子产生中极化断裂函数的手征动力学
Chiral Dynamics of the Polarizing Fracture Functions for Baryon Production
摘要：
自旋定向动量的概念提供了一个有用的和限制性的框架，描述动力学机制，可以导致单自旋可观的。这个框架的价值可以通过考虑极化断裂函数来证明，极化断裂函数表征了非极化目标的半包容性深非弹性散射的目标碎裂区域中极化重子的产生。当Bjorken x选择足够大，以表明从价夸克的硬散射，断裂函数形式主义动态选择重子结构的夸克-双夸克基。注意sonstituent轨道角动量的形成过程中，其作用的产生重子的横动量的贡献说明了重要方面的偏振可观的产生。
英文摘要：
The concept of spin-directed momentum provides a useful and restrictive framework for describing dynamical mechanisms that can lead to single-spin observables. The value of this framework can be demonstrated by consideration of the polarizing fracture functions that characterize the production of polarized baryons in the target fragmentation region of semi-inclusive deep inelastic scattering from an unpolarized target. When Bjorken x is chosen large enough to indicate a hard scattering from a valence quark, the fracture function formalism dynamically selects a quark-diquark basis for baryon structure. Attention to sonstituent orbital angular momentum in the formation process and its role in contribution to the transverse momentum of the produced baryon illustrates important aspects of the generation of polarization observables.
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