https://doi.org/10.1140/epjc/s10052-016-4231-5
Special Article - Tools for Experiment and Theory
Competing Sudakov veto algorithms
Institute for Mathematics, Astrophysics and Particle Physics, Faculty of Science, Mailbox 79, Radboud University Nijmegen, P.O. Box 9010, 6500 GL, Nijmegen, The Netherlands
* e-mail: rverheyen@science.ru.nl
Received:
31
May
2016
Accepted:
23
June
2016
Published online:
30
June
2016
We present a formalism to analyze the distribution produced by a Monte Carlo algorithm. We perform these analyses on several versions of the Sudakov veto algorithm, adding a cutoff, a second variable and competition between emission channels. The formal analysis allows us to prove that multiple, seemingly different competition algorithms, including those that are currently implemented in most parton showers, lead to the same result. Finally, we test their performance in a semi-realistic setting and show that there are significantly faster alternatives to the commonly used algorithms.
© The Author(s), 2016
