Production and polarization of γ mesons in the kt-factorization approach in more detail

被引：0

作者：

S. P. Baranov

N. P. Zotov

机构：

[1] Russian Academy of Sciences,Lebedev Institute of Physics

[2] Skobeltzyn Institute of Nuclear Physics,undefined

来源：

JETP Letters | 2008年 / 88卷

关键词：

12.38.Bx; 13.85.Ni; 14.40.Gx;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the framework of thekt-factorization approach, the production and polarization of mesons at the Fermilab Tevatron is considered, and a comparison of the calculated double differential distributions and spin alignment parameter with the D0 experimental data is shown. We argue that measuring the double differential cross section and the polarization of upsilonium states can serve as a crucial test discriminating two competing theoretical approaches to the parton dynamics in QCD.

引用

页码：711 / 715

页数：4

共 50 条

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