Introduction to the PanScales framework, version 0.1

Abstract

In this article, we document version 0.1 of the PanScales code for parton shower simulations. With the help of a few examples, we discuss basic usage of the code, including tests of logarithmic accuracy of parton showers. We expose some of the numerical techniques underlying the logarithmic tests and include a description of how users can implement their own showers within the framework. Some of the simpler logarithmic tests can be performed in a few minutes on a modern laptop. As an early step towards phenomenology, we also outline some aspects of a preliminary interface to Pythia, for access to its hard matrix elements and its hadronisation modules.

arXiv commentCode available from https://gitlab.com/panscales/panscales-0.X, 23 pages, 5 figures

References in corpus (34)

• FastJet user manual
• LHAPDF6: parton density access in the LHC precision era
• New parton distribution functions from a global analysis of quantum chromodynamics
• A parton shower algorithm based on Catani-Seymour dipole factorisation
• Better Jet Clustering Algorithms
• Tuning PYTHIA 8.1: the Monash 2013 Tune
• Transverse-Momentum-Ordered Showers and Interleaved Multiple Interactions
• Robust Independent Validation of Experiment and Theory: Rivet version 3
• A Higher Order Perturbative Parton Evolution Toolkit (HOPPET)
• Principles of general final-state resummation and automated implementation
• Coherent Parton Showers with Local Recoils
• Parton showers beyond leading logarithmic accuracy
• The Lund Jet Plane
• Logarithmic accuracy of parton showers: a fixed-order study
• Resummation of non-global logarithms at finite $N_c$
• The HepMC3 Event Record Library for Monte Carlo Event Generators
• Colour and logarithmic accuracy in final-state parton showers
• Spin correlations in final-state parton showers and jet observables
• Fooling Around with the Sudakov Veto Algorithm
• PanScales parton showers for hadron collisions: formulation and fixed-order studies
• Higher-order non-global logarithms from jet calculus
• Parton showering with higher-logarithmic accuracy for soft emissions
• PanScales showers for hadron collisions: all-order validation
• Momentum conservation and unitarity in parton showers and NLL resummation
• Non-global logarithms in hadron collisions at $N_c=3$
• Next-to-leading-logarithmic PanScales showers for Deep Inelastic Scattering and Vector Boson Fusion
• A new approach to QCD final-state evolution in processes with massive partons
• Initial State Radiation in the Herwig 7 Angular-Ordered Parton Shower
• Resummation of Next-to-Leading Non-Global Logarithms at the LHC
• Lund and Cambridge multiplicities for precision physics
• QCD resummation for groomed jet observables at NNLL+NLO
• Lund multiplicity in QCD jets
• Dissecting the collinear structure of quark splitting at NNLL
• Matching and event-shape NNDL accuracy in parton showers

Cited by in corpus (8)

• Logarithmically-accurate and positive-definite NLO shower matching
• Non-global logarithms up to four loops at finite-N${}_c$ for V/H+jet processes at hadron colliders
• Extrapolating Jet Radiation with Autoregressive Transformers
• Sudakov evolution without unitarity
• Revised QCD effects on the $Z\to b\bar{b}$ forward-backward asymmetry in $e^{+}{e}^{-}$ collisions
• Reweighting and Analysing Event Generator Systematics by Neural Networks on High-Level Features
• Anomalous scaling of linear power corrections
• Structure of non-global logarithms with Cambridge/Aachen clustering