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Pis'ma v Zh. Èksper. Teoret. Fiz., 2014, Volume 99, Issue 8, Pages 495–500 (Mi jetpl3710)  

FIELDS, PARTICLES, AND NUCLEI

Connection formulas between the different QCD orders in application to the valence parton distribution functions

O. Yu. Shevchenkoa, R. R. Akhunzyanov

a Joint Institute for Nuclear Research, Dubna, Moskovskaya obl.

Abstract: The formulas directly connecting parton distribution functions (PDFs) at the leading (LO) and next to leading (NLO) QCD orders are applied with respect to both unpolarized and polarized valence PDFs. It is shown that the connection formulas allow without any restriction on the allowed $Q^2$ range for the analyzed data to produce improved LO results on valence PDFs, which strongly differ from the standard parametrizations on these quantities, and which could be obtained within the standard approach only by using the data produced at very high $Q^2$ values (that is hardly possible in reality).

DOI: https://doi.org/10.7868/S0370274X14080013

Full text: PDF file (200 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2014, 99:8, 425–430

Bibliographic databases:

Document Type: Article
Received: 12.03.2014
Language: English

Citation: O. Yu. Shevchenko, R. R. Akhunzyanov, “Connection formulas between the different QCD orders in application to the valence parton distribution functions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 99:8 (2014), 495–500; JETP Letters, 99:8 (2014), 425–430

Citation in format AMSBIB
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\paper Connection formulas between the different QCD orders in application
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\vol 99
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\pages 495--500
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