期刊
PHYSICAL REVIEW D
卷 94, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.94.034014
关键词
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资金
- DOE [DE-AC05-06OR23177, DE-FG02-07ER41460, DE-SC0008745]
- National Science Foundation [PHY-1623454]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1623454] Funding Source: National Science Foundation
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.
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