Higher-twist mechanism and inclusive gluon production in pion–proton collisions

Author:

Ahmadov A. I.12,Aydin C.3,Myrzakulov R.4,Uzun O.3

Affiliation:

1. Fachbereich C, Bergische Universität Wuppertal, 42097 Wuppertal, Germany

2. Department of Theoretical Physics, Baku State University, Z. Khalilov st. 23, AZ-1148, Baku, Azerbaijan

3. Department of Physics, Karadeniz Technical University, 61080, Trabzon, Turkey

4. Eurasion International Center for Theoretical Physics and Department of General Theoretical Physics, Eurasian National University, Astana 010008, Kazakhstan

Abstract

We calculate the contribution of the higher-twist Feynman diagrams to the large-[Formula: see text] inclusive gluon production cross-section in [Formula: see text] collisions in case of the running coupling and frozen coupling approaches within perturbative and holographic QCD. The structure of infrared renormalon singularities of the higher-twist subprocess cross-section is obtained and the resummed higher-twist cross-sections (Borel sum) with the ones obtained in the framework of the frozen coupling approach and leading-twist cross-section are compared and analyzed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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