New Developments in KKMChh: Quark-Level Exponentiated Radiative Corrections and Semi-analytical Results
S. A. Yost (1), M. Dittrich (2), S. Jadach (3), Z. W\k{a}s (3), B., F. L. Ward (4) ((1) The Citadel, The Military College of South Carolina, (2), University of Florida, Gainesville, (3) Institute of Nuclear Physics, Polish, Academy of Sciences, (4) Baylor University)
TL;DR
This paper introduces KKhhFoam, a semi-analytical tool for testing amplitude-level exponentiation in KKMChh, and explores quark-level radiative corrections and the integration of QED-corrected PDFs.
Contribution
The paper presents KKhhFoam, a new semi-analytical program that simplifies testing of CEEX exponentiation and offers insights into quark-level radiative corrections in KKMChh.
Findings
KKhhFoam effectively tests CEEX exponentiation scheme.
Comparison of ISR effects with QED-corrected PDFs.
Proposes a new approach to incorporate QED corrections in KKMChh.
Abstract
We describe a new semi-analytical program, KKhhFoam, which provides a simplified framework for testing the amplitude-level exponentiation scheme (CEEX) of the full KKMChh program in the semi-soft limit. The structure of the KKhhFoam integrand is also helpful for elucidating the structure of CEEX. We also discuss the representation of ISR in KKMChh and compare the ISR added by KKMChh to the effect of switching to a QED-corrected PDF, at the individual quark level, and suggest a new approach to running KKMChh with QED-corrected PDFs.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Particle Accelerators and Free-Electron Lasers