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Reweighting parton showers

Bellm, Johannes; Plätzer, Simon; Richardson, Peter; Siódmok, Andrzej; Webster, Stephen

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Johannes Bellm

Simon Plätzer

Andrzej Siódmok

Stephen Webster


We report on the possibility of reweighting parton-shower Monte Carlo predictions for scale variations in the parton-shower algorithm. The method is based on a generalization of the Sudakov veto algorithm. We demonstrate the feasibility of this approach using example physical distributions. Implementations are available for both of the parton-shower modules in the Herwig 7 event generator.


Bellm, J., Plätzer, S., Richardson, P., Siódmok, A., & Webster, S. (2016). Reweighting parton showers. Physical Review D, 94(3), Article 034028.

Journal Article Type Article
Acceptance Date Jun 23, 2016
Online Publication Date Aug 15, 2016
Publication Date Aug 15, 2016
Deposit Date Nov 24, 2017
Publicly Available Date Jan 17, 2018
Journal Physical Review D
Print ISSN 2470-0010
Electronic ISSN 2470-0029
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 94
Issue 3
Article Number 034028
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Published Journal Article (374 Kb)

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Copyright Statement
This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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