期刊
PHYSICAL REVIEW D
卷 66, 期 1, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevD.66.014011
关键词
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We present a phenomenological application of the joint resummation formalism to electroweak annihilation processes at a measured boson momentum Q(T). This formalism simultaneously resums at next-to-leading logarithmic accuracy large threshold and recoil corrections to partonic scattering. We invert the impact parameter transform using a previously described analytic continuation procedure. This leads to a well-defined, resummed perturbative cross section for all nonzero Q(T), which can be compared to resummation carried out directly in Q(T) space. From the structure of the resummed expressions, we also determine the form of nonperturbative corrections to the cross section and implement these into our analysis. We obtain a good description of the transverse momentum distribution of Z bosons produced at the Fermilab Tevatron collider.
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