Abstract
In multi-jet events, colour coherence was shown to play a important role in the topology of these events. In modern Monte Carlo generators, the colour coherence effect has become an inherent feature, such that the colour coherence effect can no longer be disentangled in a simple manner. This study looks at the multi-jet correlations by comparing Monte Carlo generators in Parton Shower dominant and Matrix Element dominant regions.
Highlights
When a quark pair is produced, one of the jets can radiate a gluon
Due to quantum chromodynamics (QCD), in the fragmentation phase, the outgoing partons interact with each other. This phenomena was first described by the LUND string model [1], predicting a suppression of particle production in the region between the two quark jets due to destructive interference and an enhancement of particle production in the region between the quark and gluon jets. This colour coherence effect was initially observed in e+e− collisions by several experiments at e+e− colliders (PETRA, PEP and LEP), leading to the discovery of the gluon
They showed good agreement with data for parton shower Monte Carlo (MC) generators with the colour coherence effects implemented via angular ordering
Summary
Due to quantum chromodynamics (QCD), in the fragmentation phase, the outgoing partons interact with each other This phenomena was first described by the LUND string model [1], predicting a suppression of particle production in the region between the two quark jets due to destructive interference and an enhancement of particle production in the region between the quark and gluon jets. The second jet is the jet with the second highest transverse momentum (pT ) and the third jet is most likely to have been the radiated gluon They showed good agreement with data for parton shower Monte Carlo (MC) generators with the colour coherence effects implemented via angular ordering.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
