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arXiv · 2207.03606

One-Loop Corrections to Dihadron Production in DIS at Small $x$

Filip Bergabo·Jamal Jalilian-Marian
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Abstract

We calculate the one-loop corrections to dihadron production in Deep Inelastic Scattering (DIS) at small x using the Color Glass Condensate formalism. We show that all UV and soft singularities cancel while the collinear divergences are absorbed into quark and anti quark-hadron fragmentation functions. Rapidity divergences lead to JIMWLK evolution of dipoles and quadrupoles describing multiple-scatterings of the quark anti-quark dipole on the target proton/nucleus. The resulting cross section is finite and can be used for phenomenological studies of dihadron angular correlations at small x in a future Electron-Ion Collider (EIC).

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Filip Bergabo, Jamal Jalilian-Marian. 2022-07-07. One-Loop Corrections to Dihadron Production in DIS at Small $x$. https://doi.org/10.1103/physrevd.106.054035

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