Numerical resummation at subleading color in the strongly ordered soft gluon limit
arXiv:2001.11492 · doi:10.1103/PhysRevD.104.034006
Abstract
We present a Monte Carlo approach to soft-gluon resummation at subleading color which can be used to improve existing parton shower algorithms. At the single-emission level, soft-collinear enhancements of the splitting functions are explicitly linked to quadratic Casimir operators, while wide angle single-soft enhancements are connected to nontrivial color correlators. We focus on a numerically stable implementation of color matrix element corrections to all orders and approximate the virtual corrections by requiring unitarity at the single-emission level. We provide a proof-of-concept implementation to compute nonglobal event shapes at lepton colliders.
arXiv comment11 pages, 3 figures, 1 table, revised claimed accuracy in response to arXiv:2003.06399, version accepted for publication in Phys. Rev. D
References in corpus (48)
- A General Algorithm for Calculating Jet Cross Sections in NLO QCD
- QCD matrix elements and truncated showers
- Resummation of non-global QCD observables
- Multijet matrix elements and shower evolution in hadronic collisions: W b bbar + n jets as a case study
- Principles of general final-state resummation and automated implementation
- Away-from-jet energy flow
- Higgs and Z-boson production with a jet veto
- Parton showers with quantum interference
- The midpoint between dipole and parton showers
- Color-flow decomposition of QCD amplitudes
- Super-leading logarithms in non-global observables in QCD?
- NLL+NNLO predictions for jet-veto efficiencies in Higgs-boson and Drell-Yan production
- Resummed event shapes at hadron-hadron colliders
- An Effective Field Theory for Jet Processes
- Resummation of non-global logarithms at finite
- Subleading Nc improved Parton Showers
- Super-leading logarithms in non-global observables in QCD: Colour basis independent calculation
- Non-Global Logarithms, Factorization, and the Soft Substructure of Jets
- Non-global jet evolution at finite N_c
- Resummed event-shape variables in DIS
- Parton showers with quantum interference: leading color, with spin
- Semi-numerical resummation of event shapes
- Factorization and Resummation for Jet Processes
- Leading-color fully differential two-loop soft corrections to QCD dipole showers
- Jet-vetoed Higgs cross section in gluon fusion at N3LO+NNLL with small-R resummation
- A parton shower based on factorization of the quantum density matrix
- Resummation and simulation of soft gluon effects beyond leading colour
- The two-jet rate in e^+e^- at next-to-next-to-leading-logarithmic order
- Parton branching at amplitude level
- Parton shower evolution with subleading color
- Parton showers with more exact color evolution
- Color matrix element corrections for parton showers
- Jet vetoing at the LHC
- Soft evolution of multi-jet final states
- Hemisphere jet mass distribution at finite
- Generalized resummation of QCD final-state observables
- Fitting the Strong Coupling Constant with Soft-Drop Thrust
- The dijet cross section with a jet veto
- Parton showers with quantum interference: leading color, spin averaged
- Momentum conservation and unitarity in parton showers and NLL resummation
- On stochastically sampling color configurations
- Improvements on dipole shower colour
- Resummed predictions for jet-resolution scales in multijet production in annihilation
- Exponentiating virtual imaginary contributions in a parton shower
- An alternative subtraction scheme for next-to-leading order QCD calculations
- Nagy-Soper subtraction scheme for multiparton final states
- Comments on a new `full colour' parton shower
- Safe Use of Jet Pull
Cited by in corpus (12)
- Event Generators for High-Energy Physics Experiments
- PanScales parton showers for hadron collisions: formulation and fixed-order studies
- Soft spin correlations in final-state parton showers
- Resummation of Super-Leading Logarithms
- Two-loop anomalous dimension for the resummation of non-global observables
- Disentangling soft and collinear effects in QCD parton showers
- Rings and strings: a basis for understanding subleading colour and QCD coherence beyond the two-jet limit
- Comments on a new `full colour' parton shower
- Glauber Phases in Non-Global LHC Observables: Resummation for Quark-Initiated Processes
- A new approach to color-coherent parton evolution
- Multivariable evolution in final state parton shower algorithms
- Designing Observables for Quantum Interference in Jets at Subleading Color