Reweighting QCD matrix-element and parton-shower calculations
2016 | journal article. A publication with affiliation to the University of Göttingen.
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Details
- Authors
- Bothmann, Enrico; Schonherr, Marek; Schumann, Steffen
- Abstract
- We present the implementation and validation of the techniques used to efficiently evaluate parametric and perturbative theoretical uncertainties in matrix-element plus parton-shower simulations within the Sherpa event-generator framework. By tracing the full as and PDF dependences, including the parton-shower component, as well as the fixed-order scale uncertainties, we compute variational event weights on-the-fly, thereby greatly reducing the computational costs to obtain theoretical-uncertainty estimates.
- Issue Date
- 2016
- Status
- published
- Publisher
- Springer
- Journal
- The European Physical Journal C
- Project
- info:eu-repo/grantAgreement/EC/FP7/315877/EU/Training Network for Monte Carlo Event Generators for LHC Physics/MCnetITN
- Organization
- Fakultät für Physik
- ISSN
- 1434-6052; 1434-6044