标题：Single spin asymmetries in inclusive high energy hadron-hadron collision processes [Review]
作者：Liang ZT.;Boros C.
作者机构：[Liang, Z.-T] Department of Physics, Shandong University, Jinan, Shandong 250100, China;[ Boros, C] Dept. of Phys. and Math. Physics, Spec. Res. Ctr. 更多
通讯作者地址：[Liang, ZT]Shandong Univ, Dept Phys, Jinan 250100, Peoples R China.
来源：International Journal of Modern Physics, A. Particles and Fields, Gravitation, Cosmology
关键词：Analyzing-power measurement;Orbiting valence quarks;Polarized proton-beam;High chi-f;Production mechanisms;Hyperon polarization;Pion-production;200 gev/c;Quantum chromodynamics;Parameter measurements
摘要：It has been realized for quite a long time that single-spin experiments, in which one of the colliding objects is transversely polarized, can be helpful in studying the properties of strong interaction in general and in testing quantum chromodynamics (QCD) in particular. Striking effects have been observed in the past few years which deviate drastically from the expectation of the perturbative QCD parton model. These effects have received much attention. New experiments of the similar type are underway and/or planned. Different theoretical attempts have been made to understand these effects. In this review, the special role played by singly polarized high-energy hadron-hadron collisions in high energy spin physics is emphasized. Characteristics of the available data for inclusive hadron productions are briefly summarized. Different theoretical approaches for such processes are reviewed with special attention to a nonperturbative model which explicitly takes the orbital motion of the valence quarks and hadronic surface effects into account. The connection between such asymmetries and hyperon polarization in unpolarized reactions is discussed. An example of the possible application of such experimental results in other processes is given. [References: 112]