论文标题
软QCD理论
Soft QCD theory
论文作者
论文摘要
软QCD超出了扰动控制，因此必须开发现象学模型。这些是在事件生成器中实现和组合的。所考虑的典型方面是倍顿相互作用，颜色重新连接和强壮。特别感兴趣的是LHC的非宇宙特征，例如最近观察到的魅力和底部重子的增强，以及底部的重子不对称性，以及几年前观察到的陌生性增强。已经提出了几种新的生产机制，例如连接重新连接，绳索和推挤，以解决其中一些问题。另外，在核心 - 核心方法中也引入了Quark-GARK-GLUON等离子体成分的混合。
Soft QCD is beyond perturbative control, and therefore phenomenological models have to be developed. These are implemented and combined within event generators. Typical aspects considered are multiparton interactions, colour reconnection, and hadronization. Of special interest are non-universal features of hadronization at the LHC, such as the recently observed enhancement of charm and bottom baryons, and the bottom baryon asymmetry, as well as the some years earlier observed strangeness enhancement. Several new production mechanisms, such as junction reconnection, ropes and shove, have been proposed to address some of these issues. Alternatively, an admixture of a quark--gluon plasma component also in pp collisions is introduced in the core--corona approach.
