Nonperturbative corrections and showering in NLO-matched event generators
S. Dooling, P. Gunnellini, F. Hautmann, H. Jung
TL;DR
This paper investigates how nonperturbative effects and parton showering influence jet distributions in NLO event generators, highlighting their impact on LHC observables and the importance of energy-momentum conservation.
Contribution
It provides a detailed analysis of nonperturbative and showering corrections in NLO generators, including their effects on jet kinematics and distributions.
Findings
pT-dependent and rapidity-dependent corrections significantly affect jet shapes
Energy-momentum conservation causes notable shifts in longitudinal momentum distributions
Numerical illustrations demonstrate the importance of these effects in LHC analyses
Abstract
We study contributions from nonperturbative effects and parton showering in NLO event generators, and present applications to jet final states. We find pT-dependent and rapidity-dependent corrections which can affect the shape of observed jet distributions at the LHC. We illustrate numerically the kinematic shifts in longitudinal momentum distributions from the implementation of energy-momentum conservation in collinear shower algorithms.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Chaos-based Image/Signal Encryption · Wireless Communication Security Techniques