Fast simulation of detector effects in Rivet

Buckley, A. , Kar, D. and Nordstrom, K. (2020) Fast simulation of detector effects in Rivet. SciPost Physics, 8(2), 025. (doi: 10.21468/SciPostPhys.8.2.025)

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We describe the design and implementation of detector-bias emulation in the Rivet MC event analysis system. Implemented using C++ efficiency and kinematic smearing functors, it allows detector effects to be specified within an analysis routine, customised to the exact phase-space and reconstruction working points of the analysis. A set of standard detector functions for the physics objects of Runs 1 and 2 of the ATLAS and CMS experiments is also provided. Finally, as jet substructure is an important class of physics observable usually considered to require an explicit detector simulation, we demonstrate that a smearing approach, tuned to available substructure data and implemented in Rivet, can accurately reproduce jet-structure biases observed by ATLAS.

Item Type:Articles
Additional Information:AB is grateful to the Royal Society for a University Research Fellowship (grant UF160548). This work has received funding from the European Union’s Horizon 2020 research and innovation programme as part of the Marie Skłodowska-Curie Innovative Training Network MCnetITN3 (grant agreement no. 722104). DK is supported by the National Research Foundation of South Africa (Grant Number: 118515).
Glasgow Author(s) Enlighten ID:Buckley, Professor Andy and Kar, Dr Deepak
Authors: Buckley, A., Kar, D., and Nordstrom, K.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:SciPost Physics
ISSN (Online):2542-4653
Copyright Holders:Copyright © A. Buckley et al.
First Published:First published in SciPost Physics 8(2):025
Publisher Policy:Reproduced under a Creative Commons Licence

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
300260New physics studies with heavy flavour at the LHCAndrew BuckleyThe Royal Society (ROYSOC)UF160548P&S - Physics & Astronomy