Exclusive J/Psi electroproduction in a dual model
R. Fiore, L.L. Jenkovszky, V.K. Magas, S. Melis, A. Prokudin
TL;DR
This paper models exclusive J/Psi electroproduction using the M-DAMA dual amplitude within the analytic S-matrix framework, successfully describing experimental data across various kinematic regions and aiding resonance signal extraction.
Contribution
It introduces the application of the Modified Dual Amplitude with Mandelstam Analyticity to describe J/Psi electroproduction, demonstrating its validity over a wide kinematic range.
Findings
Model accurately fits experimental cross sections
Valid across wide s, t, Q^2 regions
Provides a universal background parametrization
Abstract
Exclusive J/Psi electroproduction is studied in the framework of the analytic S-matrix theory. The differential and integrated elastic cross sections are calculated using the Modified Dual Amplitude with Mandelstam Analyticity (M-DAMA) model. The model is applied to the description of the available experimantal data and proves to be valid in a wide region of the kinematical variables s, t and Q^2. Our amplitude can be used also as a universal background parametrization for the extraction of tiny resonance signals.
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