Electroproduction of strangeness above the resonance region
M. Guidal, J.-M. Laget, M. Vanderhaeghen
TL;DR
This paper presents a Regge-based model for electroproduction of strangeness, successfully reproducing experimental data and emphasizing the importance of gauge invariance in describing cross-section ratios at high Q2.
Contribution
It introduces a simple, gauge-invariant Regge model that accurately describes strangeness electroproduction data above the resonance region.
Findings
The model reproduces all existing data on ep->eKLambda and ep->eKSigma reactions.
Gauge invariance is crucial for correctly describing the ratio of Coulomb to Transverse cross-sections.
The approach highlights the effectiveness of Reggeized t-channel exchanges in modeling high-energy electroproduction processes.
Abstract
A simple and elegant model, based on Reggeized t-channel exchanges is succesful in reproducing the main features of all existing data of the reactions ep->eKLambda and ep->eKSigma. In particular, the original way gauge invariance is taken into account is found to be essential to describe the ratio between the Coulomb and the Transverse cross-sections at large Q2 that has been measured recently at JLab.
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