Forward di-jet production in dilute-dense collisions

被引：3
|
作者：
Petreska, Elena [1 ,2 ,3 ]
机构：
[1] Ecole Polytech, CNRS, Ctr Phys Theor, F-91128 Palaiseau, France
[2] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela 15782, Spain
[3] Univ Santiago de Compostela, IGFAE, Santiago De Compostela 15782, Spain
来源：
NUCLEAR PHYSICS A | 2016年 / 956卷
基金：
日本学术振兴会;
关键词：
Color glass condensate; Transverse momentum dependent factorization; High-energy factorization;
D O I：
10.1016/j.nuclphysa.2016.01.051
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We propose a factorization formula for the cross section for forward di-jet production in dilute-dense collisions. The new formula is applicable for an arbitrary value of the momentum imbalance of the two jets, lc,. It unifies the previously derived transverse momentum dependent (TMD) factorization for small k, (of the order of the saturation scale), and the High Energy Factorization (HEF) for large k, (of the order of the momentum of the jets). We extend the previous TMD formula, first to finite AT,, and then to all ranges of k, by including off-shell matrix elements. We present previously unpublished analytical expressions for the TMD gluon distributions in the Golec-Biernat-Wusthoff model, and their perturbative behaviour in the McLerran-Venugopalan model. In addition, we show directly the equivalence of the HEF and the color glass condensate formulae in the dilute target approximation.
引用
收藏
页码：894 / 897
页数：4
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