High energy QCD at NLO: from light-cone wave function to JIMWLK evolution

被引：53

作者：

Lublinsky, Michael ^{[1
,2
]}

Mulian, Yair ^{[1
]}

机构：

[1] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel

[2] Univ Connecticut, Dept Phys, 2152 Hillside Rd, Storrs, CT 06269 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 05期

关键词：

NLO Computations; QCD Phenomenology; COLOR GLASS CONDENSATE; NONLINEAR GLUON EVOLUTION; ABELIAN GAUGE-THEORY; BFKL POMERON; BK EVOLUTION; X EVOLUTION; HERA-DATA; EQUATION; BEHAVIOR; FACTORIZATION;

D O I：

10.1007/JHEP05(2017)097

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Soft components of the light cone wave-function of a fast moving projectile hadron is computed in perturbation theory to the third order in QCD coupling constant. At this order, the Fock space of the soft modes consists of one-gluon, two-gluon, and a quark-antiquark states. The hard component of the wave-function acts as a non-Abelian background field for the soft modes and is represented by a valence charge distribution that accounts for non-linear density effects in the projectile. When scattered off a dense target, the diagonal element of the S-matrix reveals the Hamiltonian of high energy evolution, the JIMWLK Hamiltonian. This way we provide a new direct derivation of the JIMWLK Hamiltonian at the Next-to-Leading Order.

引用

页数：80

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