中文
相关论文

相关论文: The Energy Dependence of the Saturation Momentum f…

200 篇论文

We study BFKL evolution and, in particular, the energy dependence of the saturation momentum in the presence of saturation boundaries limiting the region of linear BFKL evolution. In the case of fixed coupling evolution we confirm the…

高能物理 - 唯象学 · 物理学 2015-06-25 A. H. Mueller , D. N. Triantafyllopoulos

We consider the T-matrix near the unitarity limit and the energy dependence of the saturation momentum. We discuss the solution to the Kovchegov equation, or equivalently, to the BFKL evolution in the presence of a single saturation…

高能物理 - 唯象学 · 物理学 2007-05-23 A. H. Mueller , A. I. Shoshi

Important corrections to BFKL evolution are obtained from non-leading contributions and from non-linear effects due to unitarisation or saturation. It has been difficult to estimate the relative importance of these effects, as NLO effects…

高能物理 - 唯象学 · 物理学 2009-11-11 Emil Avsar , Gosta Gustafson , Leif Lonnblad

The A-dependence of the saturation momentum and the scaling behavior of the scattering of a small dipole on a nuclear target are studied in the McLerran-Venugopalan model, in fixed coupling BFKL dynamics and in running coupling BFKL…

高能物理 - 唯象学 · 物理学 2009-11-10 A. H. Mueller

We investigate the effects of the saturation boundary on small-x evolution at the next-to-leading order accuracy and beyond. We demonstrate that the instabilities of the next-to-leading order BFKL evolution are not cured by the presence of…

高能物理 - 唯象学 · 物理学 2015-05-28 E. Avsar , A. M. Stasto , D. N. Triantafyllopoulos , D. Zaslavsky

We continue exploring the Born-Oppenheimer renormalization group generating evolution in frequency of physical observables. In this paper we study the evolution of the total cross section for dilute-dilute scattering retaining only eikonal…

高能物理 - 唯象学 · 物理学 2024-12-25 Haowu Duan , Alex Kovner , Michael Lublinsky

We perform numerical studies of the BFKL and CCFM equations for the unintegrated gluon distribution supplemented with an absorptive boundary which mimics saturation. For the BFKL equation, this procedure yields the same results for the…

高能物理 - 唯象学 · 物理学 2009-11-19 Emil Avsar , Edmond Iancu

We considerably extend our previous analysis of the implementation of an absorptive boundary condition, which mimics saturation effects, on the linear CCFM evolution. We present detailed results for the evolution of the unintegrated gluon…

高能物理 - 唯象学 · 物理学 2009-11-16 Emil Avsar , Edmond Iancu

We study the associated jet multiplicity arising from t-channel BFKL gluon evolution in forward dijet production at hadron colliders. Previous results have shown that the effect of conserving overall energy and momentum is to introduce a…

高能物理 - 唯象学 · 物理学 2010-02-03 J. R. Andersen , W. J. Stirling

Geometric scaling is well confirmed for transverse momentum distributions observed in proton-proton collisions at LHC energies. We introduced multiplicity dependence on a saturation momentum of the geometrical scaling, assuming the scaling…

高能物理 - 唯象学 · 物理学 2019-10-02 Takeshi Osada , Takuya Kumaoka

We propose a modified version of the Balitsky-Kovchegov (B-K) evolution equation, which includes the main NLO corrections. We use the result that the main NLO corrections to the BFKL kernel are the LO DGLAP corrections. We present a…

高能物理 - 唯象学 · 物理学 2014-11-18 E. Gotsman , E. Levin , U. Maor , E. Naftali

In this paper the exact analytical solution is found for the BFKL Pomeron calculus in QCD, in which all Pomeron loops have been included. This solution manifests the geometrical scaling behaviour and matches with the solution to the linear…

高能物理 - 唯象学 · 物理学 2007-05-23 E. Levin

We investigate the impact of momentum-dependent relaxation time approximation in the Boltzmann equation within the Bjorken flow framework by analyzing the moments of the single-particle distribution function. The moment equations, which…

核理论 · 物理学 2025-10-23 Reghukrishnan Gangadharan , Sukanya Mitra , Victor Roy

The effects of saturation and unitarization for hadron-hadron scattering at LHC energies are explored in several models. It is shown that different choices of saturation parameters lead to sizable differences in the energy dependence of…

高能物理 - 唯象学 · 物理学 2007-05-23 J. -R. Cudell , O. V. Selyugin

This paper is the first attempt to build CGC/saturation model based on the next-to-leading order corrections to linear and non-linear evolution in QCD. We assume that the renormalization scale is the saturation momentum and found that the…

高能物理 - 唯象学 · 物理学 2016-12-28 Carlos Contreras , Eugene Levin , Rodrigo Meneses , Irina Potashnikova

We solve the CCFM equation numerically in the presence of a boundary condition which effectively incorporates the non-linear dynamics. We retain the full dependence of the unintegrated gluon distribution on the coherence scale, and extract…

高能物理 - 唯象学 · 物理学 2014-11-21 Emil Avsar , Anna M. Stasto

We analyze the evolution equation describing all multiple hard pomeron exchanges in a hadronic or nuclear structure functions that was proposed earlier. We construct a perturbation series providing us with an exact solution to the equation…

高能物理 - 唯象学 · 物理学 2009-10-31 Yuri V. Kovchegov

A relationship, linking the saturation momentum in the case of fixed and running QCD coupling, respectively, is derived from the Balitsky-Kovchegov equation. It relies on the linear instability of the evolution equation in the dilute…

高能物理 - 唯象学 · 物理学 2009-01-07 Dennis D. Dietrich

We show that, in onium-onium scattering at (very) high energy, a transition to saturation happens due to quantum fluctuations of QCD dipoles. This transition starts when the order $\alpha^2$ correction of the dipole loop is compensated by…

高能物理 - 唯象学 · 物理学 2008-11-26 H. Navelet , R. Peschanski

We demonstrate that the dipole-hadron cross-section computed from the non-linear evolution equation for the Colour Glass Condensate saturates the Froissart bound in the case of a fixed coupling and for a small dipole (Q^2 >>…

高能物理 - 唯象学 · 物理学 2011-01-25 E. Ferreiro , E. Iancu , K. Itakura , L. McLerran
‹ 上一页 1 2 3 10 下一页 ›