QCD evolution of the gluon Sivers function in heavy flavor dijet production at the Electron-Ion Collider

A bstract Using Soft-Collinear Effective Theory, we develop the transverse-momentum-dependent factorization formalism for heavy flavor dijet production in polarized-proton-electron collisions. We consider heavy flavor mass corrections in the collinear-soft and jet functions, as well as the associate...

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Bibliographic Details
Published in:The journal of high energy physics 2021-05, Vol.2021 (5), p.1-26, Article 286
Main Authors: Kang, Zhong-Bo, Reiten, Jared, Shao, Ding Yu, Terry, John
Format: Article
Language:English
Subjects:
Asymmetry
Classical and Quantum Gravitation
Deep Inelastic Scattering (Phenomenology)
Electrons
Elementary Particles
Evolution
Flavor (particle physics)
Formalism
Gluons
High energy physics
Jets
Kinematics
Physics
Physics and Astronomy
Quantum chromodynamics
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Quarks
Regular Article - Theoretical Physics
Relativity Theory
String Theory
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Summary:A bstract Using Soft-Collinear Effective Theory, we develop the transverse-momentum-dependent factorization formalism for heavy flavor dijet production in polarized-proton-electron collisions. We consider heavy flavor mass corrections in the collinear-soft and jet functions, as well as the associated evolution equations. Using this formalism, we generate a prediction for the gluon Sivers asymmetry for charm and bottom dijet production at the future Electron-Ion Collider. Furthermore, we compare theoretical predictions with and without the inclusion of finite quark masses. We find that the heavy flavor mass effects can give sizable corrections to the predicted asymmetry.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP05(2021)286