论文标题
字符串+$ {}^3p_0 $强扎模型
The String+${}^3P_0$ Model of Hadronization
论文作者
论文摘要
我们介绍了量子机械字符串+$ {}^3p_0 $的主要理论方面，用于伪cal和Vector Meson生产的极化夸克碎片模型。该模型是Lund String碎片模型的扩展，该模型系统地包括Quark Spin的自由度，假设$ {}^3P_0 $ Quark Pair Profocion的机制在String Breaking时产生。最近实现的媒介中心引入了后者和碎片链夸克之间的自旋相关性。字符串+$ {}^3p_0 $模型再现横向自旋效应，例如柯林斯效应和二脑效应，以及纵向自旋效应，例如喷气机。
We present the main theoretical aspects of the quantum mechanical string+${}^3P_0$ model of polarized quark fragmentation for pseudoscalar and vector meson production. The model is an extension of the Lund string fragmentation model that systematically includes the quark spin degree of freedom assuming the ${}^3P_0$ mechanism of quark pair production at string breaking. The recently achieved introduction of vector mesons accounts for the spin correlations between the latter and the quark of the fragmentation chain. The string+${}^3P_0$ model reproduces transverse spin effects such as the Collins effect and the dihadron asymmetry, and longitudinal spin effects such as the jet handedness.
