Single inclusive hadron production in DIS at small x: next to leading order corrections

A bstract We calculate the one-loop corrections to single inclusive hadron production in Deep Inelastic Scattering (DIS) at small x in the forward rapidity region using the Color Glass Condensate formalism. We show that the divergent parts of the next to leading order (NLO) corrections either cancel...

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Bibliographic Details
Published in:The journal of high energy physics 2023-01, Vol.2023 (1), p.95-23, Article 95
Main Authors: Bergabo, Filip, Jalilian-Marian, Jamal
Format: Article
Language:English
Subjects:
Classical and Quantum Gravitation
Cross-sections
Deep Inelastic Scattering or Small-x Physics
Dipoles
Effective Field Theories of QCD
Elementary Particles
Evolution
gluon saturation
High energy physics
High energy QCD
Inelastic scattering
Partons
Physics
Physics and Astronomy
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Quarks
Regular Article - Theoretical Physics
Relativity Theory
Small x
String Theory
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Summary:A bstract We calculate the one-loop corrections to single inclusive hadron production in Deep Inelastic Scattering (DIS) at small x in the forward rapidity region using the Color Glass Condensate formalism. We show that the divergent parts of the next to leading order (NLO) corrections either cancel among each other or lead to x (rapidity) evolution of the leading order (LO) dipole cross section according to the JIMWLK evolution equation and DGLAP evolution of the parton-hadron fragmentation function. The remaining finite parts constitute the NLO ( α s ) corrections to the LO single inclusive hadron production cross section in DIS at small x .
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP01(2023)095