Efficient phase-space generation for hadron collider event simulation
We present a simple yet efficient algorithm for phase-space integration at hadron colliders. Individual mappings consist of a single t-channel combined with any number of s-channel decays, and are constructed using diagrammatic information. The factorial growth in the number of channels is tamed by...
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creator | Bothmann, Enrico Childers, Taylor Giele, Walter Herren, Florian Hoeche, Stefan Isaacson, Joshua Knobbe, Max Wang, Rui |
description | We present a simple yet efficient algorithm for phase-space integration at hadron colliders. Individual mappings consist of a single t-channel combined with any number of s-channel decays, and are constructed using diagrammatic information. The factorial growth in the number of channels is tamed by providing an option to limit the number of s-channel topologies. We provide a publicly available, parallelized code in C++ and test its performance in typical LHC scenarios. |
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subjects | Algorithms Large Hadron Collider Physics - High Energy Physics - Experiment Physics - High Energy Physics - Phenomenology Topology |
title | Efficient phase-space generation for hadron collider event simulation |
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