Application of the maximum entropy method to QCD sum rules

4th International Hadron Physics Conference

Gubler, Philipp^1

RIKEN, Nishina Center, Hirosawa 2-1, Wako, Saitama

351-0198, Japan^1

关键词: Analysis method;    QCD sum rules;    Spectral function;    Sum rule;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/562/1/012011/pdf
DOI  :  10.1088/1742-6596/562/1/012011

来源: IOP

【 摘 要 】

QCD sum rules have long been used to describe the physical properties of hadrons directly from QCD. While this approach was often quite successful, it also has its limitations, the most important one being the need to introduce some specific ansatz for parametrizing the spectral function. For allowing a more general analysis of the sum rules, a new analysis method based on the maximum entropy method has been introduced [1], and has in the meantime been applied to several channels in various environments. In these proceedings, we will discuss some recent results, which have been obtained with the help of this novel approach.