2021; Physical and Mathematical Sciences, 55(2 (255): 141–147
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THE RADIATIVE CORRECTIONS ACCOUNTING IN THE REACTIONNEAR-THRESHOLD OF J/ψ MESON PHOTOPRODUCTION

Davit Martiryan*

Received: 2025-01-27 · Published: 2021-08-30

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CC BY-NC 4.0 This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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Original title
THE RADIATIVE CORRECTIONS ACCOUNTING IN THE REACTIONNEAR-THRESHOLD OF J/ψ MESON PHOTOPRODUCTION
Author
Davit Martiryan
Published
2021-08-30
Licence
Creative Commons Attribution-NonCommercial 4.0 International
Original
https://doi.org/10.46991/PYSU:A/2021.55.2.141

Abstract

The use of the method developed in the CLAS collaboration (JeffersonLab, USA) of improving leptons momentum for more correct studies of finalstate selection of quasi-real photoproduction resulting from the reaction to nearthreshold photoproduction of theJ/ψmeson is described. The radiation photonsthat were detected in electromagnetic calorimeter were studied with electronsand positrons accompanied them in very narrow angles. The method of radiatedphoton selection ofe+e−p′(e′)reaction is given, wheree+e−lepton pair isformed during the decay ofJ/ψmeson.
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