A parton shower generator based on the GLR equation
Yu Shi, Shu-Yi Wei, Jian Zhou
TL;DR
This paper introduces a new Monte Carlo parton shower generator based on the GLR equation, enabling simulation of saturation effects in high-energy particle collisions.
Contribution
It presents the first Monte Carlo algorithm for the GLR equation, including both forward and backward evolution formulations, aligning with numerical solutions.
Findings
Monte Carlo implementation matches numerical solutions
Enables simulation of saturation effects in event generators
Paves the way for saturation-aware particle physics simulations
Abstract
We develop a novel Monte Carlo parton branching algorithm based on the Gribov-Levin-Ryskin (GLR) equation. The formulations of both forward evolution and backward evolution for the GLR equation are presented. The results from the Monte Carlo implementation of the GLR equation are in full agreement with its numerical solutions. Our work thus paves the way for developing an event generator that embodies the saturation effect.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions