Numerical analysis of the unintegrated double gluon distribution

Elias, Edgar; Golec-Biernat, Krzysztof; Staśto, Anna M.

doi:10.1007/jhep01(2018)141

Numerical analysis of the unintegrated double gluon distribution

Journal Article · Mon Jan 29 00:00:00 EST 2018 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/jhep01(2018)141· OSTI ID:1507000

Elias, Edgar ^[1]; Golec-Biernat, Krzysztof ^[2]; Staśto, Anna M. ^[3]

Pennsylvania State Univ., University Park, PA (United States). Dept of Physics; Pennsylvania State Univ., University Park, PA (United States)
Polish Academy of Sciences (PAS), Cracow (Poland). Inst. of Nuclear Physics; Univ. of Rzeszow, Rzeszow (Poland). Faculty of Mathematics and Natural Sciences
Pennsylvania State Univ., University Park, PA (United States). Dept of Physics

We present detailed numerical analysis of the unintegrated double gluon distribution which includes the dependence on the transverse momenta of partons. The unintegrated double gluon distribution was obtained following the Kimber-Martin-Ryskin method as a convolution of the perturbative gluon splitting function with the collinear integrated double gluon distribution and the Sudakov form factors. We analyze the dependence on the transverse momenta, longitudinal momentum fractions and hard scales. We find that the unintegrated gluon distribution factorizes into a product of two single unintegrated gluon distributions in the region of small values of x, provided the splitting contribution is included and the momentum sum rule is satisfied.

View Accepted Manuscript (DOE)

Research Organization:: Pennsylvania State Univ., University Park, PA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0002145

OSTI ID:: 1507000

Alternate ID(s):: OSTI ID: 22738987

Journal Information:: Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 1 Vol. 2018; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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