The unintegrated gluon distribution from the GBW and BGK models

Boroun, G. R.

doi:10.1140/epja/s10050-024-01255-0

Eur. Phys. J. A

2024

DOI: 10.1140/epja/s10050-024-01255-0

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The unintegrated gluon distribution from the GBW and BGK models

G. R. Boroun

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Cited by 7 publications

References 44 publications

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The nuclear shadowing effect of gluon at small x

Rezaei

2025

Nuclear Physics A

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The nuclear shadowing effect of gluon at small x

Rezaei

2025

Nuclear Physics A

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D meson production in p+Pb collisions with the analytical transverse momentum distribution from the color dipole models*

Wang,

Sun

2024

J. Phys. G: Nucl. Part. Phys.

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The D-meson production in proton-lead (p+Pb) collisions is globally investigated within the color dipole framework. To simplify the Fourier transform, the analytical transverse momentum distribution (TMD) functions extracted from different color dipole models are used. With the Glauber-Gribov method, the impact parameter dependence is considered for the nuclear modification of the gluon density. We obtain from comparison with the recent experimental data from LHCb and ALICE collaborations that the theoretical results from the Kovchegov Lu and Rezaeian (KLR) model are in good agreement with the experimental data at small PT , and the results from the Golec-Biernat-Wusthoff (GBW) and Bartels, Golec-Biernat and Kowalski (BGK) model are reasonable at all rapidity bins. Then, the influence of the initial state energy loss effect on D-meson production in p+Pb collisions is analyzed. A clear reduction for the nuclear modification factor is shown at backward rapidity. Finally, the predictive results for D0 and D+ production differential cross section versus rapidity (Y ) in p+Pb collisions are given.

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Exploring the impact of anti-shadowing effect on unintegrated gluon distributions in the MD-BFKL equation*

Wang 王,

Cai 蔡,

Chen 陈

2024

Chinese Phys. C

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This paper presents a comprehensive analysis of the MD-BFKL equation, considering both shadowing and anti-shadowing effects in gluon recombination processes. By deriving analytical expressions for unintegrated gluon distributions through the solution of the MD-BFKL equation, with and without the incorporation of anti-shadowing effect, we offer new insights into the influence of these effects on the behavior of unintegrated gluon distributions. Our results, when compared to the CT18NLO gluon distribution function, demonstrate that the anti-shadowing effect has a notably stronger impact on the characteristics of unintegrated gluon distributions, particularly in regions of high rapidity and momentum. This work significantly contributes to the understanding of gluon recombination mechanisms and their implications in high energy physics.Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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The unintegrated gluon distribution from the GBW and BGK models

Cited by 7 publications

References 44 publications

The nuclear shadowing effect of gluon at small x

The nuclear shadowing effect of gluon at small x

D meson production in p+Pb collisions with the analytical transverse momentum distribution from the color dipole models*

Exploring the impact of anti-shadowing effect on unintegrated gluon distributions in the MD-BFKL equation*

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