The distribution of linearly polarized gluons and elliptic azimuthal anisotropy in DIS dijet production at high energy

Abstract

We determine the distribution of linearly polarized gluons of a dense target at small $x$ by solving the B-JIMWLK rapidity evolution equations. From these solutions we estimate the amplitude of $\sim \cos 2\varphi$ azimuthal asymmetries in DIS dijet production at high energies. We find sizeable long-range in rapidity azimuthal asymmetries with a magnitude in the range of $v_2=⟨\cos 2\varphi ⟩\sim 10\%$.

5 pages, 3 figures

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