NLO computation of diffractive di-hadron production in a saturation framework

Abstract

The cross-sections of diffractive double hadron photo- or electroproduction with large $p_T$, on a nucleon or a nucleus, are calculated to NLO accuracy. A hybrid formalism mixing collinear factorization and high energy small-$x$ factorization, more precisely the shockwave formalism for the latter, is used to derive the results. The cancellation of divergences is explicitly shown, and the finite parts of the NLO differential cross-sections are found. We work in arbitrary kinematics such that both photoproduction and leptoproduction are considered. The results are therefore usable, to detect saturation effects, at both the future EIC or already at LHC, using Ultra Peripheral Collisions.

80 pages, 9 figures, few references added

References in corpus (7)

• Back-to-back inclusive dijets in DIS at small $x$: Sudakov suppression and gluon saturation at NLO
• NLO impact factor for inclusive photon$+$dijet production in $e+A$ DIS at small $x$
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Cited by in corpus (8)

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• Emergence of high-energy dynamics from cascade-baryon detections at the LHC
• Diffractive single hadron production in a saturation framework at the NLO
• Exotic tetraquarks at the HL-LHC with JETHAD: A high-energy viewpoint
• Isolated photon production in $pp$ collisions at forward rapidities and high multiplicity events
• Physics with high-luminosity proton-nucleus collisions at the LHC
• Reconstruction of the Dipole Amplitude in the Dipole Picture as a mathematical Inverse Problem