期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP11(2021)222
关键词
Deep Inelastic Scattering (Phenomenology); NLO Computations
资金
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [de-sc0012704]
- joint Brookhaven National Laboratory-Stony Brook University Center for Frontiers in Nuclear Science (CFNS)
In this study, the next-to-leading order impact factor for inclusive dijet production in deeply inelastic electron-nucleus scattering at small x(Bj) is computed within the framework of the Color Glass Condensate effective field theory, improving the accuracy of the cross-section. These results are crucial for evaluating the discovery potential of inclusive dijets to reveal the physics of gluon saturation at the Electron-Ion Collider.
We compute the next-to-leading order impact factor for inclusive dijet production in deeply inelastic electron-nucleus scattering at small x(Bj). Our computation, performed in the framework of the Color Glass Condensate effective field theory, includes all real and virtual contributions in the gluon shock wave background of all-twist lightlike Wilson line correlators. We demonstrate explicitly that the rapidity evolution of these correlators, to leading logarithmic accuracy, is described by the JIMWLK Hamiltonian. When combined with the next-to-leading order JIMWLK Hamiltonian, our results for the impact factor improve the accuracy of the inclusive dijet cross-section to O(alpha(2)(s) ln(x(f)/x(Bj))), where x(f) is a rapidity factorization scale. These results are an essential ingredient in assessing the discovery potential of inclusive dijets to uncover the physics of gluon saturation at the Electron-Ion Collider.
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