Improving the simulation of quark and gluon jets with Herwig 7

The properties of quark and gluon jets, and the differences between them, are increasingly important at the LHC. However, Monte Carlo event generators are normally tuned to data from e + e - collisions which are primarily sensitive to quark-initiated jets. In order to improve the description of gluo...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2017-12, Vol.77 (12), p.1-13, Article 876
Main Authors: Reichelt, Daniel, Richardson, Peter, Siodmok, Andrzej
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Cosmology
Computer simulation
Elementary Particles
Hadrons
Heavy Ions
Jets
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Regular Article - Theoretical Physics
String Theory
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Summary:The properties of quark and gluon jets, and the differences between them, are increasingly important at the LHC. However, Monte Carlo event generators are normally tuned to data from e + e - collisions which are primarily sensitive to quark-initiated jets. In order to improve the description of gluon jets we make improvements to the perturbative and the non-perturbative modelling of gluon jets and include data with gluon-initiated jets in the tuning for the first time. The resultant tunes significantly improve the description of gluon jets and are now the default in Herwig 7.1.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-017-5374-8