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Effect of the Parameterization of the Distribution Functions on the Longitudinal Structure Function at Small x

Boroun, G. R.

JETP letters, 2021-07, Vol.114 (1), p.1-7 [Periódico revisado por pares]

Moscow: Pleiades Publishing

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Título:
Effect of the Parameterization of the Distribution Functions on the Longitudinal Structure Function at Small x
Autor: Boroun, G. R.
Assuntos: Atomic ; Biological and Medical Physics ; Biophysics ; Charm (particle physics) ; Distribution functions ; Fields ; Flavor (particle physics) ; Gluons ; Mathematical analysis ; Mellin transforms ; Molecular ; Nuclei ; Optical and Plasma Physics ; Parameterization ; Particle and Nuclear Physics ; Particles ; Partons ; Physics ; Physics and Astronomy ; Quantum Information Technology ; Solid State Physics ; Spintronics
É parte de: JETP letters, 2021-07, Vol.114 (1), p.1-7
Descrição: I use a direct method to extract the longitudinal structure function in the next-to-leading order approximation with respect to the number of active flavor from the parametrization of parton distributions. The contribution of charm and bottom quarks corresponding to the gluon distributions (i.e., and ) is considered. I compare the obtained longitudinal structure function at with the H1 data [Eur. Phys. J. C 74 , 2814 (2014) and Eur. Phys. J. C 71 , 1579 (2011)] and the result L.P. Kaptari et al. [Phys. Rev. D 99 , 096019 (2019)] which is based on the Mellin transforms. These calculations compared with the results from CT18 [Phys. Rev. D 103 , 014013 (2021)] parametrization model. The nonlinear effects on the gluon distribution improve the behavior of the longitudinal structure function in comparison with the H1 data and CT18 at low values of .
Editor: Moscow: Pleiades Publishing
Idioma: Inglês

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Effect of the Parameterization of the Distribution Functions on the Longitudinal Structure Function at Small x

Boroun, G. R.

Moscow: Pleiades Publishing

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