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Unintegrated parton distributions.

Kimber, M. A. and Martin, A. D. and Ryskin, M. G. (2001) 'Unintegrated parton distributions.', Physical review D : particles and fields., 63 (11). p. 114027.


We describe how to calculate the parton distributions fa(x,kt2,μ2), unintegrated over the parton transverse momentum kt, from auxiliary functions ha(x,kt2), which satisfy single-scale evolution equations. The formalism embodies both DGLAP and BFKL contributions, and accounts for the angular ordering which comes from coherence effects in gluon emission. We check that the unintegrated distributions give the measured values of the deep inelastic structure function F2(x,Q2).

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Publisher statement:© 2001 by The American Physical Society. All rights reserved.
Record Created:28 Apr 2008
Last Modified:16 Aug 2011 09:25

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