Spin correlations in parton shower simulations

Spin correlations in parton shower simulations

Spin correlations are an important, but often neglected, effect in modern Monte Carlo event generators. We show that they can be fully incorporated in Herwig 7 using the algorithm originally proposed by Collins and Knowles in all stages of the event generation process and between the different stage...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Vol. 80; no. 2; pp. 1 - 13
Main Authors: Richardson, Peter, Webster, Stephen
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01-02-2020
Springer
Springer Nature B.V
SpringerOpen
Subjects:
Algorithms
Astronomy
Astrophysics and Cosmology
Computer simulation
Correlation
Dipoles
Elementary Particles
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Partons
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Special Article - Tools for Experiment and Theory
String Theory
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Summary:Spin correlations are an important, but often neglected, effect in modern Monte Carlo event generators. We show that they can be fully incorporated in Herwig 7 using the algorithm originally proposed by Collins and Knowles in all stages of the event generation process and between the different stages of the event generation. In this paper we present the final missing ingredient, correlations in both the angular-ordered and dipole shower algorithms and between the parton shower and hard production and decay processes.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-019-7429-5