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Endpoint singularities in unintegrated parton distributions
We examine the singular behavior from the endpoint region x -> 1 in parton distributions unintegrated in both longitudinal and transverse momenta. We identify and regularize the singularities by using the subtraction method, and compare this with the cut-off regularization method. The counterterm...
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| Lenguaje: | eng |
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2007
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| Acceso en línea: | https://dx.doi.org/10.1016/j.physletb.2007.08.081 http://cds.cern.ch/record/1017450 |