Shadowing in gluon distributions in the small-x region

John Collins; Jan Kwiecinski

doi:10.1016/0550-3213(90)90171-9

Shadowing in gluon distributions in the small-x region

John Collins
, Jan Kwiecinski

Physics

Research output: Contribution to journal › Article › peer-review

85 Scopus citations

Abstract

The nonlinear evolution equation for the gluon distribution in a proton containing effects of shadowing is solved. We compare the solution with the unshadowed distributions in the case when the latter corresponds to a very steep input behaving as 1 x^1.5 in the small-x limit. The effect of shadowing is found to be substantial in the region 10^-4 < x_Bj < 10^-2. The bare distributions are found to be reduced by a factor of about 2.5 when x = 10^-4 and Q² = 4 GeV².

Original language	English (US)
Pages (from-to)	89-100
Number of pages	12
Journal	Nuclear Physics, Section B
Volume	335
Issue number	1
DOIs	https://doi.org/10.1016/0550-3213(90)90171-9
State	Published - Apr 30 1990

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0550-3213(90)90171-9

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title = "Shadowing in gluon distributions in the small-x region",

abstract = "The nonlinear evolution equation for the gluon distribution in a proton containing effects of shadowing is solved. We compare the solution with the unshadowed distributions in the case when the latter corresponds to a very steep input behaving as 1 x1.5 in the small-x limit. The effect of shadowing is found to be substantial in the region 10-4 < xBj < 10-2. The bare distributions are found to be reduced by a factor of about 2.5 when x = 10-4 and Q2 = 4 GeV2.",

author = "John Collins and Jan Kwiecinski",

note = "Funding Information: This work was supported in part by the US Department of Energy under grant DE-FG02-85 ER-40235 .",

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AU - Collins, John

AU - Kwiecinski, Jan

N1 - Funding Information: This work was supported in part by the US Department of Energy under grant DE-FG02-85 ER-40235 .

PY - 1990/4/30

Y1 - 1990/4/30

N2 - The nonlinear evolution equation for the gluon distribution in a proton containing effects of shadowing is solved. We compare the solution with the unshadowed distributions in the case when the latter corresponds to a very steep input behaving as 1 x1.5 in the small-x limit. The effect of shadowing is found to be substantial in the region 10-4 < xBj < 10-2. The bare distributions are found to be reduced by a factor of about 2.5 when x = 10-4 and Q2 = 4 GeV2.

AB - The nonlinear evolution equation for the gluon distribution in a proton containing effects of shadowing is solved. We compare the solution with the unshadowed distributions in the case when the latter corresponds to a very steep input behaving as 1 x1.5 in the small-x limit. The effect of shadowing is found to be substantial in the region 10-4 < xBj < 10-2. The bare distributions are found to be reduced by a factor of about 2.5 when x = 10-4 and Q2 = 4 GeV2.

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DO - 10.1016/0550-3213(90)90171-9

M3 - Article

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EP - 100

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

IS - 1

ER -

Shadowing in gluon distributions in the small-x region

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