Relating transverse-momentum-dependent and collinear factorization theorems in a generalized formalism

J. Collins, L. Gamberg, A. Prokudin, T. C. Rogers, N. Sato, B. Wang

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We construct an improved implementation for combining transverse-momentum-dependent (TMD) factorization and collinear factorization. TMD factorization is suitable for low transverse momentum physics, while collinear factorization is suitable for high transverse momenta and for a cross section integrated over transverse momentum. The result is a modified version of the standard W+Y prescription traditionally used in the Collins-Soper-Sterman (CSS) formalism and related approaches. We further argue that questions regarding the shape and Q dependence of the cross sections at lower Q are largely governed by the matching to the Y term.

Original languageEnglish (US)
Article number034014
JournalPhysical Review D
Issue number3
StatePublished - Aug 8 2016


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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